xref: /aosp_15_r20/external/libxml2/xmllint.c (revision 7c5688314b92172186c154356a6374bf7684c3ca)

/*
 * xmllint.c : a small tester program for XML input.
 *
 * See Copyright for the status of this software.
 *
 * [email protected]
 */

#include "libxml.h"

#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <time.h>
#include <errno.h>
#include <limits.h>

#include <fcntl.h>
#include <sys/stat.h>

#ifdef _WIN32
  #include <io.h>
  #include <sys/timeb.h>
#else
  #include <sys/time.h>
  #include <unistd.h>
#endif

#if HAVE_DECL_MMAP
  #include <sys/mman.h>
  /* seems needed for Solaris */
  #ifndef MAP_FAILED
    #define MAP_FAILED ((void *) -1)
  #endif
#endif

#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <libxml/parserInternals.h>
#include <libxml/HTMLparser.h>
#include <libxml/HTMLtree.h>
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <libxml/debugXML.h>
#include <libxml/xmlerror.h>
#ifdef LIBXML_XINCLUDE_ENABLED
#include <libxml/xinclude.h>
#endif
#ifdef LIBXML_CATALOG_ENABLED
#include <libxml/catalog.h>
#endif
#include <libxml/xmlreader.h>
#ifdef LIBXML_SCHEMATRON_ENABLED
#include <libxml/schematron.h>
#endif
#ifdef LIBXML_SCHEMAS_ENABLED
#include <libxml/relaxng.h>
#include <libxml/xmlschemas.h>
#endif
#ifdef LIBXML_PATTERN_ENABLED
#include <libxml/pattern.h>
#endif
#ifdef LIBXML_C14N_ENABLED
#include <libxml/c14n.h>
#endif
#ifdef LIBXML_OUTPUT_ENABLED
#include <libxml/xmlsave.h>
#endif

#include "private/shell.h"

#ifdef XMLLINT_FUZZ
  #define ERR_STREAM stdout
#else
  #define ERR_STREAM stderr
#endif

#ifndef XML_XML_DEFAULT_CATALOG
#define XML_XML_DEFAULT_CATALOG "file://" SYSCONFDIR "/xml/catalog"
#endif

#ifndef STDIN_FILENO
  #define STDIN_FILENO 0
#endif

typedef enum {
    XMLLINT_RETURN_OK = 0,	    /* No error */
    XMLLINT_ERR_UNCLASS = 1,	    /* Unclassified */
    XMLLINT_ERR_DTD = 2,	    /* Error in DTD */
    XMLLINT_ERR_VALID = 3,	    /* Validation error */
    XMLLINT_ERR_RDFILE = 4,	    /* CtxtReadFile error */
    XMLLINT_ERR_SCHEMACOMP = 5,	    /* Schema compilation */
    XMLLINT_ERR_OUT = 6,	    /* Error writing output */
    XMLLINT_ERR_SCHEMAPAT = 7,	    /* Error in schema pattern */
    /*XMLLINT_ERR_RDREGIS = 8,*/
    XMLLINT_ERR_MEM = 9,	    /* Out of memory error */
    XMLLINT_ERR_XPATH = 10,	    /* XPath evaluation error */
    XMLLINT_ERR_XPATH_EMPTY = 11    /* XPath result is empty */
} xmllintReturnCode;

static int shell = 0;
#ifdef LIBXML_DEBUG_ENABLED
static int debugent = 0;
#endif
static int debug = 0;
static int maxmem = 0;
static int copy = 0;
static int noout = 0;
#ifdef LIBXML_OUTPUT_ENABLED
static const char *output = NULL;
static int format = 0;
static const char *encoding = NULL;
static int compress = 0;
#endif /* LIBXML_OUTPUT_ENABLED */
#ifdef LIBXML_VALID_ENABLED
static int postvalid = 0;
static const char *dtdvalid = NULL;
static const char *dtdvalidfpi = NULL;
static int insert = 0;
#endif
#ifdef LIBXML_SCHEMAS_ENABLED
static const char *relaxng = NULL;
static xmlRelaxNGPtr relaxngschemas = NULL;
static const char *schema = NULL;
static xmlSchemaPtr wxschemas = NULL;
#endif
#ifdef LIBXML_SCHEMATRON_ENABLED
static const char *schematron = NULL;
static xmlSchematronPtr wxschematron = NULL;
#endif
static int repeat = 0;
#if defined(LIBXML_HTML_ENABLED)
static int html = 0;
static int xmlout = 0;
#endif
static int htmlout = 0;
#ifdef LIBXML_PUSH_ENABLED
static int push = 0;
static const int pushsize = 4096;
#endif /* LIBXML_PUSH_ENABLED */
#if HAVE_DECL_MMAP
static int memory = 0;
static char *memoryData;
static size_t memorySize;
#endif
static int testIO = 0;
#ifdef LIBXML_XINCLUDE_ENABLED
static int xinclude = 0;
#endif
static xmllintReturnCode progresult = XMLLINT_RETURN_OK;
static int quiet = 0;
static int timing = 0;
static int generate = 0;
static int dropdtd = 0;
#ifdef LIBXML_C14N_ENABLED
static int canonical = 0;
static int canonical_11 = 0;
static int exc_canonical = 0;
#endif
#ifdef LIBXML_READER_ENABLED
static int walker = 0;
#ifdef LIBXML_PATTERN_ENABLED
static const char *pattern = NULL;
static xmlPatternPtr patternc = NULL;
static xmlStreamCtxtPtr patstream = NULL;
#endif
#endif /* LIBXML_READER_ENABLED */
#ifdef LIBXML_XPATH_ENABLED
static const char *xpathquery = NULL;
#endif
static int options = XML_PARSE_COMPACT | XML_PARSE_BIG_LINES;
static unsigned maxAmpl = 0;

/************************************************************************
 *									*
 *		 Entity loading control and customization.		*
 *									*
 ************************************************************************/
#define MAX_PATHS 64
#ifdef _WIN32
# define PATH_SEPARATOR ';'
#else
# define PATH_SEPARATOR ':'
#endif
static xmlChar *paths[MAX_PATHS + 1];
static int nbpaths = 0;
static int load_trace = 0;

static
void parsePath(const xmlChar *path) {
    const xmlChar *cur;

    if (path == NULL)
	return;
    while (*path != 0) {
	if (nbpaths >= MAX_PATHS) {
	    fprintf(ERR_STREAM, "MAX_PATHS reached: too many paths\n");
	    return;
	}
	cur = path;
	while ((*cur == ' ') || (*cur == PATH_SEPARATOR))
	    cur++;
	path = cur;
	while ((*cur != 0) && (*cur != ' ') && (*cur != PATH_SEPARATOR))
	    cur++;
	if (cur != path) {
	    paths[nbpaths] = xmlStrndup(path, cur - path);
	    if (paths[nbpaths] != NULL)
		nbpaths++;
	    path = cur;
	}
    }
}

static xmlResourceLoader defaultResourceLoader = NULL;

static int
xmllintResourceLoader(void *ctxt ATTRIBUTE_UNUSED, const char *URL,
                      const char *ID, xmlResourceType type, int flags,
		      xmlParserInputPtr *out) {
    int code;
    int i;
    const char *lastsegment = URL;
    const char *iter = URL;

    if ((nbpaths > 0) && (iter != NULL)) {
	while (*iter != 0) {
	    if (*iter == '/')
		lastsegment = iter + 1;
	    iter++;
	}
    }

    if (defaultResourceLoader != NULL)
        code = defaultResourceLoader(NULL, URL, ID, type, flags, out);
    else
        code = xmlNewInputFromUrl(URL, flags, out);
    if (code != XML_IO_ENOENT) {
        if ((load_trace) && (code == XML_ERR_OK)) {
            fprintf(ERR_STREAM, "Loaded URL=\"%s\" ID=\"%s\"\n",
                    URL, ID ? ID : "(null)");
        }
        return(code);
    }

    for (i = 0; i < nbpaths; i++) {
	xmlChar *newURL;

	newURL = xmlStrdup((const xmlChar *) paths[i]);
	newURL = xmlStrcat(newURL, (const xmlChar *) "/");
	newURL = xmlStrcat(newURL, (const xmlChar *) lastsegment);
	if (newURL != NULL) {
            if (defaultResourceLoader != NULL)
                code = defaultResourceLoader(NULL, (const char *) newURL, ID,
                                             type, flags, out);
            else
                code = xmlNewInputFromUrl((const char *) newURL, flags, out);
            if (code != XML_IO_ENOENT) {
                if ((load_trace) && (code == XML_ERR_OK)) {
                    fprintf(ERR_STREAM, "Loaded URL=\"%s\" ID=\"%s\"\n",
                            newURL, ID ? ID : "(null)");
                }
	        xmlFree(newURL);
                return(code);
            }
	    xmlFree(newURL);
	}
    }

    return(XML_IO_ENOENT);
}

/************************************************************************
 *									*
 *		 	Core parsing functions				*
 *									*
 ************************************************************************/

static int
myRead(void *f, char *buf, int len) {
    return(fread(buf, 1, len, (FILE *) f));
}

static int
myClose(void *context) {
    FILE *f = (FILE *) context;
    if (f == stdin)
        return(0);
    return(fclose(f));
}

static xmlDocPtr
parseXml(xmlParserCtxtPtr ctxt, const char *filename) {
    xmlDocPtr doc;

    xmlCtxtSetResourceLoader(ctxt, xmllintResourceLoader, NULL);
    if (maxAmpl > 0)
        xmlCtxtSetMaxAmplification(ctxt, maxAmpl);

#if HAVE_DECL_MMAP
    if (memory) {
        xmlParserInputPtr input;

        input = xmlNewInputFromMemory(filename, memoryData, memorySize,
                                      XML_INPUT_BUF_STATIC |
                                      XML_INPUT_BUF_ZERO_TERMINATED);
        if (input == NULL) {
            progresult = XMLLINT_ERR_MEM;
            return(NULL);
        }
        doc = xmlCtxtParseDocument(ctxt, input);
        return(doc);
    }
#endif

    if (testIO) {
        FILE *f;

        if ((filename[0] == '-') && (filename[1] == 0)) {
            f = stdin;
        } else {
            f = fopen(filename, "rb");
            if (f == NULL) {
                fprintf(ERR_STREAM, "Can't open %s\n", filename);
                progresult = XMLLINT_ERR_RDFILE;
                return(NULL);
            }
        }

        doc = xmlCtxtReadIO(ctxt, myRead, myClose, f, filename, NULL,
                            options);
    } else {
        if (strcmp(filename, "-") == 0)
            doc = xmlCtxtReadFd(ctxt, STDIN_FILENO, "-", NULL, options);
        else
            doc = xmlCtxtReadFile(ctxt, filename, NULL, options);
    }

    return(doc);
}

#ifdef LIBXML_HTML_ENABLED
static xmlDocPtr
parseHtml(htmlParserCtxtPtr ctxt, const char *filename) {
    xmlDocPtr doc;

#if HAVE_DECL_MMAP
    if (memory) {
        xmlParserInputPtr input;

        input = xmlNewInputFromMemory(filename, memoryData, memorySize,
                                      XML_INPUT_BUF_STATIC |
                                      XML_INPUT_BUF_ZERO_TERMINATED);
        if (input == NULL) {
            progresult = XMLLINT_ERR_MEM;
            return(NULL);
        }
        doc = htmlCtxtParseDocument(ctxt, input);
        return(doc);
    }
#endif

    if (strcmp(filename, "-") == 0)
        doc = htmlCtxtReadFd(ctxt, STDIN_FILENO, "-", NULL, options);
    else
        doc = htmlCtxtReadFile(ctxt, filename, NULL, options);

    return(doc);
}
#endif /* LIBXML_HTML_ENABLED */

/************************************************************************
 *									*
 * Memory allocation consumption debugging				*
 *									*
 ************************************************************************/

static void
OOM(void)
{
    fprintf(ERR_STREAM, "Ran out of memory needs > %d bytes\n", maxmem);
    progresult = XMLLINT_ERR_MEM;
}

static void
myFreeFunc(void *mem)
{
    xmlMemFree(mem);
}
static void *
myMallocFunc(size_t size)
{
    void *ret;

    ret = xmlMemMalloc(size);
    if (ret != NULL) {
        if (xmlMemUsed() > maxmem) {
            OOM();
            xmlMemFree(ret);
            return (NULL);
        }
    }
    return (ret);
}
static void *
myReallocFunc(void *mem, size_t size)
{
    size_t oldsize = xmlMemSize(mem);

    if (xmlMemUsed() + size - oldsize > (size_t) maxmem) {
        OOM();
        return (NULL);
    }

    return (xmlMemRealloc(mem, size));
}
static char *
myStrdupFunc(const char *str)
{
    char *ret;

    ret = xmlMemoryStrdup(str);
    if (ret != NULL) {
        if (xmlMemUsed() > maxmem) {
            OOM();
            xmlMemFree(ret);
            return (NULL);
        }
    }
    return (ret);
}
/************************************************************************
 *									*
 * Internal timing routines to remove the necessity to have		*
 * unix-specific function calls.					*
 *									*
 ************************************************************************/

#ifdef _WIN32
typedef __time64_t xmlSeconds;
#else
typedef time_t xmlSeconds;
#endif

typedef struct {
   xmlSeconds sec;
   int usec;
} xmlTime;

static xmlTime begin, end;

static void
getTime(xmlTime *time) {
#ifdef _WIN32
    struct __timeb64 timebuffer;

    _ftime64(&timebuffer);
    time->sec = timebuffer.time;
    time->usec = timebuffer.millitm * 1000;
#else /* _WIN32 */
    struct timeval tv;

    gettimeofday(&tv, NULL);
    time->sec = tv.tv_sec;
    time->usec = tv.tv_usec;
#endif /* _WIN32 */
}

/*
 * startTimer: call where you want to start timing
 */
static void
startTimer(void)
{
    getTime(&begin);
}

/*
 * endTimer: call where you want to stop timing and to print out a
 *           message about the timing performed; format is a printf
 *           type argument
 */
static void LIBXML_ATTR_FORMAT(1,2)
endTimer(const char *fmt, ...)
{
    xmlSeconds msec;
    va_list ap;

    getTime(&end);
    msec = end.sec - begin.sec;
    msec *= 1000;
    msec += (end.usec - begin.usec) / 1000;

    va_start(ap, fmt);
    vfprintf(ERR_STREAM, fmt, ap);
    va_end(ap);

    fprintf(ERR_STREAM, " took %ld ms\n", (long) msec);
}

/************************************************************************
 *									*
 *			HTML output					*
 *									*
 ************************************************************************/
static char buffer[50000];
static int htmlBufLen;

static void
xmlHTMLEncodeSend(void) {
    char *result;

    /*
     * xmlEncodeEntitiesReentrant assumes valid UTF-8, but the buffer might
     * end with a truncated UTF-8 sequence. This is a hack to at least avoid
     * an out-of-bounds read.
     */
    memset(&buffer[sizeof(buffer)-4], 0, 4);
    result = (char *) xmlEncodeEntitiesReentrant(NULL, BAD_CAST buffer);
    if (result) {
	fprintf(ERR_STREAM, "%s", result);
	xmlFree(result);
    }

    htmlBufLen = 0;
}

static void
xmlHTMLBufCat(void *data ATTRIBUTE_UNUSED, const char *fmt, ...) {
    va_list ap;
    int res;

    va_start(ap, fmt);
    res = vsnprintf(&buffer[htmlBufLen], sizeof(buffer) - htmlBufLen, fmt, ap);
    va_end(ap);

    if (res > 0) {
        if ((size_t) res > sizeof(buffer) - htmlBufLen - 1)
            htmlBufLen = sizeof(buffer) - 1;
        else
            htmlBufLen += res;
    }
}

/**
 * xmlHTMLError:
 * @ctx:  an XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 *
 * Display and format an error messages, gives file, line, position and
 * extra parameters.
 */
static void
xmlHTMLError(void *vctxt, const xmlError *error)
{
    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) vctxt;
    xmlParserInputPtr input;
    xmlGenericErrorFunc oldError;
    void *oldErrorCtxt;

    input = ctxt->input;
    if ((input != NULL) && (input->filename == NULL) && (ctxt->inputNr > 1)) {
        input = ctxt->inputTab[ctxt->inputNr - 2];
    }

    oldError = xmlGenericError;
    oldErrorCtxt = xmlGenericErrorContext;
    xmlSetGenericErrorFunc(NULL, xmlHTMLBufCat);

    fprintf(ERR_STREAM, "<p>");

    xmlParserPrintFileInfo(input);
    xmlHTMLEncodeSend();

    fprintf(ERR_STREAM, "<b>%s%s</b>: ",
            (error->domain == XML_FROM_VALID) ||
            (error->domain == XML_FROM_DTD) ? "validity " : "",
            error->level == XML_ERR_WARNING ? "warning" : "error");

    snprintf(buffer, sizeof(buffer), "%s", error->message);
    xmlHTMLEncodeSend();

    fprintf(ERR_STREAM, "</p>\n");

    if (input != NULL) {
        fprintf(ERR_STREAM, "<pre>\n");

        xmlParserPrintFileContext(input);
        xmlHTMLEncodeSend();

        fprintf(ERR_STREAM, "</pre>");
    }

    xmlSetGenericErrorFunc(oldErrorCtxt, oldError);
}

/************************************************************************
 *									*
 *			SAX based tests					*
 *									*
 ************************************************************************/

/*
 * empty SAX block
 */
static xmlSAXHandler emptySAXHandlerStruct = {
    NULL, /* internalSubset */
    NULL, /* isStandalone */
    NULL, /* hasInternalSubset */
    NULL, /* hasExternalSubset */
    NULL, /* resolveEntity */
    NULL, /* getEntity */
    NULL, /* entityDecl */
    NULL, /* notationDecl */
    NULL, /* attributeDecl */
    NULL, /* elementDecl */
    NULL, /* unparsedEntityDecl */
    NULL, /* setDocumentLocator */
    NULL, /* startDocument */
    NULL, /* endDocument */
    NULL, /* startElement */
    NULL, /* endElement */
    NULL, /* reference */
    NULL, /* characters */
    NULL, /* ignorableWhitespace */
    NULL, /* processingInstruction */
    NULL, /* comment */
    NULL, /* xmlParserWarning */
    NULL, /* xmlParserError */
    NULL, /* xmlParserError */
    NULL, /* getParameterEntity */
    NULL, /* cdataBlock; */
    NULL, /* externalSubset; */
    XML_SAX2_MAGIC,
    NULL,
    NULL, /* startElementNs */
    NULL, /* endElementNs */
    NULL  /* xmlStructuredErrorFunc */
};

static xmlSAXHandlerPtr emptySAXHandler = &emptySAXHandlerStruct;
extern xmlSAXHandlerPtr debugSAXHandler;
static int callbacks;

/**
 * isStandaloneDebug:
 * @ctxt:  An XML parser context
 *
 * Is this document tagged standalone ?
 *
 * Returns 1 if true
 */
static int
isStandaloneDebug(void *ctx ATTRIBUTE_UNUSED)
{
    callbacks++;
    if (noout)
	return(0);
    fprintf(stdout, "SAX.isStandalone()\n");
    return(0);
}

/**
 * hasInternalSubsetDebug:
 * @ctxt:  An XML parser context
 *
 * Does this document has an internal subset
 *
 * Returns 1 if true
 */
static int
hasInternalSubsetDebug(void *ctx ATTRIBUTE_UNUSED)
{
    callbacks++;
    if (noout)
	return(0);
    fprintf(stdout, "SAX.hasInternalSubset()\n");
    return(0);
}

/**
 * hasExternalSubsetDebug:
 * @ctxt:  An XML parser context
 *
 * Does this document has an external subset
 *
 * Returns 1 if true
 */
static int
hasExternalSubsetDebug(void *ctx ATTRIBUTE_UNUSED)
{
    callbacks++;
    if (noout)
	return(0);
    fprintf(stdout, "SAX.hasExternalSubset()\n");
    return(0);
}

/**
 * internalSubsetDebug:
 * @ctxt:  An XML parser context
 *
 * Does this document has an internal subset
 */
static void
internalSubsetDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
	       const xmlChar *ExternalID, const xmlChar *SystemID)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.internalSubset(%s,", name);
    if (ExternalID == NULL)
	fprintf(stdout, " ,");
    else
	fprintf(stdout, " %s,", ExternalID);
    if (SystemID == NULL)
	fprintf(stdout, " )\n");
    else
	fprintf(stdout, " %s)\n", SystemID);
}

/**
 * externalSubsetDebug:
 * @ctxt:  An XML parser context
 *
 * Does this document has an external subset
 */
static void
externalSubsetDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
	       const xmlChar *ExternalID, const xmlChar *SystemID)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.externalSubset(%s,", name);
    if (ExternalID == NULL)
	fprintf(stdout, " ,");
    else
	fprintf(stdout, " %s,", ExternalID);
    if (SystemID == NULL)
	fprintf(stdout, " )\n");
    else
	fprintf(stdout, " %s)\n", SystemID);
}

/**
 * resolveEntityDebug:
 * @ctxt:  An XML parser context
 * @publicId: The public ID of the entity
 * @systemId: The system ID of the entity
 *
 * Special entity resolver, better left to the parser, it has
 * more context than the application layer.
 * The default behaviour is to NOT resolve the entities, in that case
 * the ENTITY_REF nodes are built in the structure (and the parameter
 * values).
 *
 * Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
 */
static xmlParserInputPtr
resolveEntityDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *publicId, const xmlChar *systemId)
{
    callbacks++;
    if (noout)
	return(NULL);
    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */


    fprintf(stdout, "SAX.resolveEntity(");
    if (publicId != NULL)
	fprintf(stdout, "%s", (char *)publicId);
    else
	fprintf(stdout, " ");
    if (systemId != NULL)
	fprintf(stdout, ", %s)\n", (char *)systemId);
    else
	fprintf(stdout, ", )\n");
    return(NULL);
}

/**
 * getEntityDebug:
 * @ctxt:  An XML parser context
 * @name: The entity name
 *
 * Get an entity by name
 *
 * Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
 */
static xmlEntityPtr
getEntityDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
{
    callbacks++;
    if (noout)
	return(NULL);
    fprintf(stdout, "SAX.getEntity(%s)\n", name);
    return(NULL);
}

/**
 * getParameterEntityDebug:
 * @ctxt:  An XML parser context
 * @name: The entity name
 *
 * Get a parameter entity by name
 *
 * Returns the xmlParserInputPtr
 */
static xmlEntityPtr
getParameterEntityDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
{
    callbacks++;
    if (noout)
	return(NULL);
    fprintf(stdout, "SAX.getParameterEntity(%s)\n", name);
    return(NULL);
}


/**
 * entityDeclDebug:
 * @ctxt:  An XML parser context
 * @name:  the entity name
 * @type:  the entity type
 * @publicId: The public ID of the entity
 * @systemId: The system ID of the entity
 * @content: the entity value (without processing).
 *
 * An entity definition has been parsed
 */
static void
entityDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, int type,
          const xmlChar *publicId, const xmlChar *systemId, xmlChar *content)
{
const xmlChar *nullstr = BAD_CAST "(null)";
    /* not all libraries handle printing null pointers nicely */
    if (publicId == NULL)
        publicId = nullstr;
    if (systemId == NULL)
        systemId = nullstr;
    if (content == NULL)
        content = (xmlChar *)nullstr;
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.entityDecl(%s, %d, %s, %s, %s)\n",
            name, type, publicId, systemId, content);
}

/**
 * attributeDeclDebug:
 * @ctxt:  An XML parser context
 * @name:  the attribute name
 * @type:  the attribute type
 *
 * An attribute definition has been parsed
 */
static void
attributeDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar * elem,
                   const xmlChar * name, int type, int def,
                   const xmlChar * defaultValue, xmlEnumerationPtr tree)
{
    callbacks++;
    if (noout)
        return;
    if (defaultValue == NULL)
        fprintf(stdout, "SAX.attributeDecl(%s, %s, %d, %d, NULL, ...)\n",
                elem, name, type, def);
    else
        fprintf(stdout, "SAX.attributeDecl(%s, %s, %d, %d, %s, ...)\n",
                elem, name, type, def, defaultValue);
    xmlFreeEnumeration(tree);
}

/**
 * elementDeclDebug:
 * @ctxt:  An XML parser context
 * @name:  the element name
 * @type:  the element type
 * @content: the element value (without processing).
 *
 * An element definition has been parsed
 */
static void
elementDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, int type,
	    xmlElementContentPtr content ATTRIBUTE_UNUSED)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.elementDecl(%s, %d, ...)\n",
            name, type);
}

/**
 * notationDeclDebug:
 * @ctxt:  An XML parser context
 * @name: The name of the notation
 * @publicId: The public ID of the entity
 * @systemId: The system ID of the entity
 *
 * What to do when a notation declaration has been parsed.
 */
static void
notationDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
	     const xmlChar *publicId, const xmlChar *systemId)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.notationDecl(%s, %s, %s)\n",
            (char *) name, (char *) publicId, (char *) systemId);
}

/**
 * unparsedEntityDeclDebug:
 * @ctxt:  An XML parser context
 * @name: The name of the entity
 * @publicId: The public ID of the entity
 * @systemId: The system ID of the entity
 * @notationName: the name of the notation
 *
 * What to do when an unparsed entity declaration is parsed
 */
static void
unparsedEntityDeclDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
		   const xmlChar *publicId, const xmlChar *systemId,
		   const xmlChar *notationName)
{
const xmlChar *nullstr = BAD_CAST "(null)";

    if (publicId == NULL)
        publicId = nullstr;
    if (systemId == NULL)
        systemId = nullstr;
    if (notationName == NULL)
        notationName = nullstr;
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.unparsedEntityDecl(%s, %s, %s, %s)\n",
            (char *) name, (char *) publicId, (char *) systemId,
	    (char *) notationName);
}

/**
 * setDocumentLocatorDebug:
 * @ctxt:  An XML parser context
 * @loc: A SAX Locator
 *
 * Receive the document locator at startup, actually xmlDefaultSAXLocator
 * Everything is available on the context, so this is useless in our case.
 */
static void
setDocumentLocatorDebug(void *ctx ATTRIBUTE_UNUSED, xmlSAXLocatorPtr loc ATTRIBUTE_UNUSED)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.setDocumentLocator()\n");
}

/**
 * startDocumentDebug:
 * @ctxt:  An XML parser context
 *
 * called when the document start being processed.
 */
static void
startDocumentDebug(void *ctx ATTRIBUTE_UNUSED)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.startDocument()\n");
}

/**
 * endDocumentDebug:
 * @ctxt:  An XML parser context
 *
 * called when the document end has been detected.
 */
static void
endDocumentDebug(void *ctx ATTRIBUTE_UNUSED)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.endDocument()\n");
}

/**
 * startElementDebug:
 * @ctxt:  An XML parser context
 * @name:  The element name
 *
 * called when an opening tag has been processed.
 */
static void
startElementDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, const xmlChar **atts)
{
    int i;

    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.startElement(%s", (char *) name);
    if (atts != NULL) {
        for (i = 0;(atts[i] != NULL);i++) {
	    fprintf(stdout, ", %s='", atts[i++]);
	    if (atts[i] != NULL)
	        fprintf(stdout, "%s'", atts[i]);
	}
    }
    fprintf(stdout, ")\n");
}

/**
 * endElementDebug:
 * @ctxt:  An XML parser context
 * @name:  The element name
 *
 * called when the end of an element has been detected.
 */
static void
endElementDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.endElement(%s)\n", (char *) name);
}

/**
 * charactersDebug:
 * @ctxt:  An XML parser context
 * @ch:  a xmlChar string
 * @len: the number of xmlChar
 *
 * receiving some chars from the parser.
 * Question: how much at a time ???
 */
static void
charactersDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch, int len)
{
    char out[40];
    int i;

    callbacks++;
    if (noout)
	return;
    for (i = 0;(i<len) && (i < 30);i++)
	out[i] = (char) ch[i];
    out[i] = 0;

    fprintf(stdout, "SAX.characters(%s, %d)\n", out, len);
}

/**
 * referenceDebug:
 * @ctxt:  An XML parser context
 * @name:  The entity name
 *
 * called when an entity reference is detected.
 */
static void
referenceDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.reference(%s)\n", name);
}

/**
 * ignorableWhitespaceDebug:
 * @ctxt:  An XML parser context
 * @ch:  a xmlChar string
 * @start: the first char in the string
 * @len: the number of xmlChar
 *
 * receiving some ignorable whitespaces from the parser.
 * Question: how much at a time ???
 */
static void
ignorableWhitespaceDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch, int len)
{
    char out[40];
    int i;

    callbacks++;
    if (noout)
	return;
    for (i = 0;(i<len) && (i < 30);i++)
	out[i] = ch[i];
    out[i] = 0;
    fprintf(stdout, "SAX.ignorableWhitespace(%s, %d)\n", out, len);
}

/**
 * processingInstructionDebug:
 * @ctxt:  An XML parser context
 * @target:  the target name
 * @data: the PI data's
 * @len: the number of xmlChar
 *
 * A processing instruction has been parsed.
 */
static void
processingInstructionDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *target,
                      const xmlChar *data)
{
    callbacks++;
    if (noout)
	return;
    if (data != NULL)
	fprintf(stdout, "SAX.processingInstruction(%s, %s)\n",
		(char *) target, (char *) data);
    else
	fprintf(stdout, "SAX.processingInstruction(%s, NULL)\n",
		(char *) target);
}

/**
 * cdataBlockDebug:
 * @ctx: the user data (XML parser context)
 * @value:  The pcdata content
 * @len:  the block length
 *
 * called when a pcdata block has been parsed
 */
static void
cdataBlockDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *value, int len)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.pcdata(%.20s, %d)\n",
	    (char *) value, len);
}

/**
 * commentDebug:
 * @ctxt:  An XML parser context
 * @value:  the comment content
 *
 * A comment has been parsed.
 */
static void
commentDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *value)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.comment(%s)\n", value);
}

/**
 * warningDebug:
 * @ctxt:  An XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 *
 * Display and format a warning messages, gives file, line, position and
 * extra parameters.
 */
static void LIBXML_ATTR_FORMAT(2,3)
warningDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
{
    va_list args;

    callbacks++;
    if (noout)
	return;
    va_start(args, msg);
    fprintf(stdout, "SAX.warning: ");
    vfprintf(stdout, msg, args);
    va_end(args);
}

/**
 * errorDebug:
 * @ctxt:  An XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 *
 * Display and format a error messages, gives file, line, position and
 * extra parameters.
 */
static void LIBXML_ATTR_FORMAT(2,3)
errorDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
{
    va_list args;

    callbacks++;
    if (noout)
	return;
    va_start(args, msg);
    fprintf(stdout, "SAX.error: ");
    vfprintf(stdout, msg, args);
    va_end(args);
}

/**
 * fatalErrorDebug:
 * @ctxt:  An XML parser context
 * @msg:  the message to display/transmit
 * @...:  extra parameters for the message display
 *
 * Display and format a fatalError messages, gives file, line, position and
 * extra parameters.
 */
static void LIBXML_ATTR_FORMAT(2,3)
fatalErrorDebug(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...)
{
    va_list args;

    callbacks++;
    if (noout)
	return;
    va_start(args, msg);
    fprintf(stdout, "SAX.fatalError: ");
    vfprintf(stdout, msg, args);
    va_end(args);
}

static xmlSAXHandler debugSAXHandlerStruct = {
    internalSubsetDebug,
    isStandaloneDebug,
    hasInternalSubsetDebug,
    hasExternalSubsetDebug,
    resolveEntityDebug,
    getEntityDebug,
    entityDeclDebug,
    notationDeclDebug,
    attributeDeclDebug,
    elementDeclDebug,
    unparsedEntityDeclDebug,
    setDocumentLocatorDebug,
    startDocumentDebug,
    endDocumentDebug,
    startElementDebug,
    endElementDebug,
    referenceDebug,
    charactersDebug,
    ignorableWhitespaceDebug,
    processingInstructionDebug,
    commentDebug,
    warningDebug,
    errorDebug,
    fatalErrorDebug,
    getParameterEntityDebug,
    cdataBlockDebug,
    externalSubsetDebug,
    1,
    NULL,
    NULL,
    NULL,
    NULL
};

xmlSAXHandlerPtr debugSAXHandler = &debugSAXHandlerStruct;

/*
 * SAX2 specific callbacks
 */
/**
 * startElementNsDebug:
 * @ctxt:  An XML parser context
 * @name:  The element name
 *
 * called when an opening tag has been processed.
 */
static void
startElementNsDebug(void *ctx ATTRIBUTE_UNUSED,
                    const xmlChar *localname,
                    const xmlChar *prefix,
                    const xmlChar *URI,
		    int nb_namespaces,
		    const xmlChar **namespaces,
		    int nb_attributes,
		    int nb_defaulted,
		    const xmlChar **attributes)
{
    int i;

    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.startElementNs(%s", (char *) localname);
    if (prefix == NULL)
	fprintf(stdout, ", NULL");
    else
	fprintf(stdout, ", %s", (char *) prefix);
    if (URI == NULL)
	fprintf(stdout, ", NULL");
    else
	fprintf(stdout, ", '%s'", (char *) URI);
    fprintf(stdout, ", %d", nb_namespaces);

    if (namespaces != NULL) {
        for (i = 0;i < nb_namespaces * 2;i++) {
	    fprintf(stdout, ", xmlns");
	    if (namespaces[i] != NULL)
	        fprintf(stdout, ":%s", namespaces[i]);
	    i++;
	    fprintf(stdout, "='%s'", namespaces[i]);
	}
    }
    fprintf(stdout, ", %d, %d", nb_attributes, nb_defaulted);
    if (attributes != NULL) {
        for (i = 0;i < nb_attributes * 5;i += 5) {
	    if (attributes[i + 1] != NULL)
		fprintf(stdout, ", %s:%s='", attributes[i + 1], attributes[i]);
	    else
		fprintf(stdout, ", %s='", attributes[i]);
	    fprintf(stdout, "%.4s...', %d", attributes[i + 3],
		    (int)(attributes[i + 4] - attributes[i + 3]));
	}
    }
    fprintf(stdout, ")\n");
}

/**
 * endElementDebug:
 * @ctxt:  An XML parser context
 * @name:  The element name
 *
 * called when the end of an element has been detected.
 */
static void
endElementNsDebug(void *ctx ATTRIBUTE_UNUSED,
                  const xmlChar *localname,
                  const xmlChar *prefix,
                  const xmlChar *URI)
{
    callbacks++;
    if (noout)
	return;
    fprintf(stdout, "SAX.endElementNs(%s", (char *) localname);
    if (prefix == NULL)
	fprintf(stdout, ", NULL");
    else
	fprintf(stdout, ", %s", (char *) prefix);
    if (URI == NULL)
	fprintf(stdout, ", NULL)\n");
    else
	fprintf(stdout, ", '%s')\n", (char *) URI);
}

static xmlSAXHandler debugSAX2HandlerStruct = {
    internalSubsetDebug,
    isStandaloneDebug,
    hasInternalSubsetDebug,
    hasExternalSubsetDebug,
    resolveEntityDebug,
    getEntityDebug,
    entityDeclDebug,
    notationDeclDebug,
    attributeDeclDebug,
    elementDeclDebug,
    unparsedEntityDeclDebug,
    setDocumentLocatorDebug,
    startDocumentDebug,
    endDocumentDebug,
    NULL,
    NULL,
    referenceDebug,
    charactersDebug,
    ignorableWhitespaceDebug,
    processingInstructionDebug,
    commentDebug,
    warningDebug,
    errorDebug,
    fatalErrorDebug,
    getParameterEntityDebug,
    cdataBlockDebug,
    externalSubsetDebug,
    XML_SAX2_MAGIC,
    NULL,
    startElementNsDebug,
    endElementNsDebug,
    NULL
};

static xmlSAXHandlerPtr debugSAX2Handler = &debugSAX2HandlerStruct;

static void
testSAX(const char *filename) {
    xmlSAXHandlerPtr handler;
    const char *user_data = "user_data"; /* mostly for debugging */

    callbacks = 0;

    if (noout) {
        handler = emptySAXHandler;
#ifdef LIBXML_SAX1_ENABLED
    } else if (options & XML_PARSE_SAX1) {
        handler = debugSAXHandler;
#endif
    } else {
        handler = debugSAX2Handler;
    }

#ifdef LIBXML_SCHEMAS_ENABLED
    if (wxschemas != NULL) {
        int ret;
	xmlSchemaValidCtxtPtr vctxt;
        xmlParserInputBufferPtr buf;

        if (strcmp(filename, "-") == 0)
            buf = xmlParserInputBufferCreateFd(STDIN_FILENO,
                    XML_CHAR_ENCODING_NONE);
        else
            buf = xmlParserInputBufferCreateFilename(filename,
                    XML_CHAR_ENCODING_NONE);
        if (buf == NULL)
            return;

	vctxt = xmlSchemaNewValidCtxt(wxschemas);
        if (vctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
            xmlFreeParserInputBuffer(buf);
            return;
        }
	xmlSchemaValidateSetFilename(vctxt, filename);

	ret = xmlSchemaValidateStream(vctxt, buf, 0, handler,
	                              (void *)user_data);
	if (repeat == 0) {
	    if (ret == 0) {
	        if (!quiet) {
	            fprintf(ERR_STREAM, "%s validates\n", filename);
	        }
	    } else if (ret > 0) {
		fprintf(ERR_STREAM, "%s fails to validate\n", filename);
		progresult = XMLLINT_ERR_VALID;
	    } else {
		fprintf(ERR_STREAM, "%s validation generated an internal error\n",
		       filename);
		progresult = XMLLINT_ERR_VALID;
	    }
	}
	xmlSchemaFreeValidCtxt(vctxt);
    } else
#endif
#ifdef LIBXML_HTML_ENABLED
    if (html) {
        htmlParserCtxtPtr ctxt = NULL;

	ctxt = htmlNewSAXParserCtxt(handler, (void *) user_data);
	if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
	    return;
	}

        parseHtml(ctxt, filename);

        htmlFreeParserCtxt(ctxt);
    } else
#endif
    {
        xmlParserCtxtPtr ctxt = NULL;

	ctxt = xmlNewSAXParserCtxt(handler, (void *) user_data);
	if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
	    return;
	}

        parseXml(ctxt, filename);

	if (ctxt->myDoc != NULL) {
	    fprintf(ERR_STREAM, "SAX generated a doc !\n");
	    xmlFreeDoc(ctxt->myDoc);
	    ctxt->myDoc = NULL;
	}
        xmlFreeParserCtxt(ctxt);
    }
}

/************************************************************************
 *									*
 *			Stream Test processing				*
 *									*
 ************************************************************************/
#ifdef LIBXML_READER_ENABLED
static void processNode(xmlTextReaderPtr reader) {
    const xmlChar *name, *value;
    int type, empty;

    type = xmlTextReaderNodeType(reader);
    empty = xmlTextReaderIsEmptyElement(reader);

    if (debug) {
	name = xmlTextReaderConstName(reader);
	if (name == NULL)
	    name = BAD_CAST "--";

	value = xmlTextReaderConstValue(reader);


	printf("%d %d %s %d %d",
		xmlTextReaderDepth(reader),
		type,
		name,
		empty,
		xmlTextReaderHasValue(reader));
	if (value == NULL)
	    printf("\n");
	else {
	    printf(" %s\n", value);
	}
    }
#ifdef LIBXML_PATTERN_ENABLED
    if (patternc) {
        xmlChar *path = NULL;
        int match = -1;

	if (type == XML_READER_TYPE_ELEMENT) {
	    /* do the check only on element start */
	    match = xmlPatternMatch(patternc, xmlTextReaderCurrentNode(reader));

	    if (match) {
		path = xmlGetNodePath(xmlTextReaderCurrentNode(reader));
		printf("Node %s matches pattern %s\n", path, pattern);
	    }
	}
	if (patstream != NULL) {
	    int ret;

	    if (type == XML_READER_TYPE_ELEMENT) {
		ret = xmlStreamPush(patstream,
		                    xmlTextReaderConstLocalName(reader),
				    xmlTextReaderConstNamespaceUri(reader));
		if (ret < 0) {
		    fprintf(ERR_STREAM, "xmlStreamPush() failure\n");
                    xmlFreeStreamCtxt(patstream);
		    patstream = NULL;
		} else if (ret != match) {
		    if (path == NULL) {
		        path = xmlGetNodePath(
		                       xmlTextReaderCurrentNode(reader));
		    }
		    fprintf(ERR_STREAM,
		            "xmlPatternMatch and xmlStreamPush disagree\n");
                    if (path != NULL)
                        fprintf(ERR_STREAM, "  pattern %s node %s\n",
                                pattern, path);
                    else
		        fprintf(ERR_STREAM, "  pattern %s node %s\n",
			    pattern, xmlTextReaderConstName(reader));
		}

	    }
	    if ((type == XML_READER_TYPE_END_ELEMENT) ||
	        ((type == XML_READER_TYPE_ELEMENT) && (empty))) {
	        ret = xmlStreamPop(patstream);
		if (ret < 0) {
		    fprintf(ERR_STREAM, "xmlStreamPop() failure\n");
                    xmlFreeStreamCtxt(patstream);
		    patstream = NULL;
		}
	    }
	}
	if (path != NULL)
	    xmlFree(path);
    }
#endif
}

static void streamFile(const char *filename) {
    xmlTextReaderPtr reader;
    int ret;
#if HAVE_DECL_MMAP
    if (memory) {
	reader = xmlReaderForMemory(memoryData, memorySize, filename,
	                            NULL, options);
    } else
#endif
    if (strcmp(filename, "-") == 0)
	reader = xmlReaderForFd(STDIN_FILENO, "-", NULL, options);
    else
	reader = xmlReaderForFile(filename, NULL, options);
#ifdef LIBXML_PATTERN_ENABLED
    if (patternc != NULL) {
        patstream = xmlPatternGetStreamCtxt(patternc);
	if (patstream != NULL) {
	    ret = xmlStreamPush(patstream, NULL, NULL);
	    if (ret < 0) {
		fprintf(ERR_STREAM, "xmlStreamPush() failure\n");
		xmlFreeStreamCtxt(patstream);
		patstream = NULL;
            }
	}
    }
#endif


    if (reader != NULL) {
        xmlTextReaderSetResourceLoader(reader, xmllintResourceLoader, NULL);
        if (maxAmpl > 0)
            xmlTextReaderSetMaxAmplification(reader, maxAmpl);

#ifdef LIBXML_SCHEMAS_ENABLED
	if (relaxng != NULL) {
	    if ((timing) && (!repeat)) {
		startTimer();
	    }
	    ret = xmlTextReaderRelaxNGValidate(reader, relaxng);
	    if (ret < 0) {
		fprintf(ERR_STREAM,
			"Relax-NG schema %s failed to compile\n", relaxng);
		progresult = XMLLINT_ERR_SCHEMACOMP;
		relaxng = NULL;
	    }
	    if ((timing) && (!repeat)) {
		endTimer("Compiling the schemas");
	    }
	}
	if (schema != NULL) {
	    if ((timing) && (!repeat)) {
		startTimer();
	    }
	    ret = xmlTextReaderSchemaValidate(reader, schema);
	    if (ret < 0) {
		fprintf(ERR_STREAM,
			"XSD schema %s failed to compile\n", schema);
		progresult = XMLLINT_ERR_SCHEMACOMP;
		schema = NULL;
	    }
	    if ((timing) && (!repeat)) {
		endTimer("Compiling the schemas");
	    }
	}
#endif

	/*
	 * Process all nodes in sequence
	 */
	if ((timing) && (!repeat)) {
	    startTimer();
	}
	ret = xmlTextReaderRead(reader);
	while (ret == 1) {
	    if ((debug)
#ifdef LIBXML_PATTERN_ENABLED
	        || (patternc)
#endif
	       )
		processNode(reader);
	    ret = xmlTextReaderRead(reader);
	}
	if ((timing) && (!repeat)) {
#ifdef LIBXML_SCHEMAS_ENABLED
	    if (relaxng != NULL)
		endTimer("Parsing and validating");
	    else
#endif
#ifdef LIBXML_VALID_ENABLED
	    if (options & XML_PARSE_DTDVALID)
		endTimer("Parsing and validating");
	    else
#endif
	    endTimer("Parsing");
	}

#ifdef LIBXML_VALID_ENABLED
	if (options & XML_PARSE_DTDVALID) {
	    if (xmlTextReaderIsValid(reader) != 1) {
		fprintf(ERR_STREAM,
			"Document %s does not validate\n", filename);
		progresult = XMLLINT_ERR_VALID;
	    }
	}
#endif /* LIBXML_VALID_ENABLED */
#ifdef LIBXML_SCHEMAS_ENABLED
	if ((relaxng != NULL) || (schema != NULL)) {
	    if (xmlTextReaderIsValid(reader) != 1) {
		fprintf(ERR_STREAM, "%s fails to validate\n", filename);
		progresult = XMLLINT_ERR_VALID;
	    } else {
	        if (!quiet) {
	            fprintf(ERR_STREAM, "%s validates\n", filename);
	        }
	    }
	}
#endif
	/*
	 * Done, cleanup and status
	 */
	xmlFreeTextReader(reader);
	if (ret != 0) {
	    fprintf(ERR_STREAM, "%s : failed to parse\n", filename);
	    progresult = XMLLINT_ERR_UNCLASS;
	}
    } else {
	fprintf(ERR_STREAM, "Unable to open %s\n", filename);
	progresult = XMLLINT_ERR_UNCLASS;
    }
#ifdef LIBXML_PATTERN_ENABLED
    if (patstream != NULL) {
	xmlFreeStreamCtxt(patstream);
	patstream = NULL;
    }
#endif
}

static void walkDoc(xmlDocPtr doc) {
    xmlTextReaderPtr reader;
    int ret;

#ifdef LIBXML_PATTERN_ENABLED
    if (pattern != NULL) {
        xmlNodePtr root;
        const xmlChar *namespaces[22];
        int i;
        xmlNsPtr ns;

        root = xmlDocGetRootElement(doc);
        if (root == NULL ) {
            fprintf(ERR_STREAM,
                    "Document does not have a root element");
            progresult = XMLLINT_ERR_UNCLASS;
            return;
        }
        for (ns = root->nsDef, i = 0;ns != NULL && i < 20;ns=ns->next) {
            namespaces[i++] = ns->href;
            namespaces[i++] = ns->prefix;
        }
        namespaces[i++] = NULL;
        namespaces[i] = NULL;

        ret = xmlPatternCompileSafe((const xmlChar *) pattern, doc->dict,
                                    0, &namespaces[0], &patternc);
	if (patternc == NULL) {
            if (ret < 0) {
                progresult = XMLLINT_ERR_MEM;
            } else {
                fprintf(ERR_STREAM,
                        "Pattern %s failed to compile\n", pattern);
                progresult = XMLLINT_ERR_SCHEMAPAT;
            }
            goto error;
	}

        patstream = xmlPatternGetStreamCtxt(patternc);
        if (patstream == NULL) {
            progresult = XMLLINT_ERR_MEM;
            goto error;
        }

        ret = xmlStreamPush(patstream, NULL, NULL);
        if (ret < 0) {
            fprintf(ERR_STREAM, "xmlStreamPush() failure\n");
            progresult = XMLLINT_ERR_MEM;
            goto error;
        }
    }
#endif /* LIBXML_PATTERN_ENABLED */
    reader = xmlReaderWalker(doc);
    if (reader != NULL) {
	if ((timing) && (!repeat)) {
	    startTimer();
	}
	ret = xmlTextReaderRead(reader);
	while (ret == 1) {
	    if ((debug)
#ifdef LIBXML_PATTERN_ENABLED
	        || (patternc)
#endif
	       )
		processNode(reader);
	    ret = xmlTextReaderRead(reader);
	}
	if ((timing) && (!repeat)) {
	    endTimer("walking through the doc");
	}
	xmlFreeTextReader(reader);
	if (ret != 0) {
	    fprintf(ERR_STREAM, "failed to walk through the doc\n");
	    progresult = XMLLINT_ERR_UNCLASS;
	}
    } else {
	fprintf(ERR_STREAM, "Failed to crate a reader from the document\n");
	progresult = XMLLINT_ERR_UNCLASS;
    }

#ifdef LIBXML_PATTERN_ENABLED
error:
    if (patternc != NULL) {
        xmlFreePattern(patternc);
        patternc = NULL;
    }
    if (patstream != NULL) {
	xmlFreeStreamCtxt(patstream);
	patstream = NULL;
    }
#endif
}
#endif /* LIBXML_READER_ENABLED */

#ifdef LIBXML_XPATH_ENABLED
/************************************************************************
 *									*
 *			XPath Query                                     *
 *									*
 ************************************************************************/

static void doXPathDump(xmlXPathObjectPtr cur) {
    switch(cur->type) {
        case XPATH_NODESET: {
#ifdef LIBXML_OUTPUT_ENABLED
            xmlOutputBufferPtr buf;
            xmlNodePtr node;
            int i;

            if ((cur->nodesetval == NULL) || (cur->nodesetval->nodeNr <= 0)) {
                progresult = XMLLINT_ERR_XPATH_EMPTY;
                if (!quiet) {
                    fprintf(ERR_STREAM, "XPath set is empty\n");
                }
                break;
            }
            buf = xmlOutputBufferCreateFile(stdout, NULL);
            if (buf == NULL) {
                fprintf(ERR_STREAM, "Out of memory for XPath\n");
                progresult = XMLLINT_ERR_MEM;
                return;
            }
            for (i = 0;i < cur->nodesetval->nodeNr;i++) {
                node = cur->nodesetval->nodeTab[i];
                xmlNodeDumpOutput(buf, NULL, node, 0, 0, NULL);
                xmlOutputBufferWrite(buf, 1, "\n");
            }
            xmlOutputBufferClose(buf);
#else
            printf("xpath returned %d nodes\n", cur->nodesetval->nodeNr);
#endif
	    break;
        }
        case XPATH_BOOLEAN:
	    if (cur->boolval) printf("true\n");
	    else printf("false\n");
	    break;
        case XPATH_NUMBER:
	    switch (xmlXPathIsInf(cur->floatval)) {
	    case 1:
		printf("Infinity\n");
		break;
	    case -1:
		printf("-Infinity\n");
		break;
	    default:
		if (xmlXPathIsNaN(cur->floatval)) {
		    printf("NaN\n");
		} else {
		    printf("%0g\n", cur->floatval);
		}
	    }
	    break;
        case XPATH_STRING:
	    printf("%s\n", (const char *) cur->stringval);
	    break;
        case XPATH_UNDEFINED:
	    fprintf(ERR_STREAM, "XPath Object is uninitialized\n");
            progresult = XMLLINT_ERR_XPATH;
	    break;
	default:
	    fprintf(ERR_STREAM, "XPath object of unexpected type\n");
            progresult = XMLLINT_ERR_XPATH;
	    break;
    }
}

static void doXPathQuery(xmlDocPtr doc, const char *query) {
    xmlXPathContextPtr ctxt;
    xmlXPathObjectPtr res;

    ctxt = xmlXPathNewContext(doc);
    if (ctxt == NULL) {
        fprintf(ERR_STREAM, "Out of memory for XPath\n");
        progresult = XMLLINT_ERR_MEM;
        return;
    }
    ctxt->node = (xmlNodePtr) doc;
    res = xmlXPathEval(BAD_CAST query, ctxt);
    xmlXPathFreeContext(ctxt);

    if (res == NULL) {
        fprintf(ERR_STREAM, "XPath evaluation failure\n");
        progresult = XMLLINT_ERR_XPATH;
        return;
    }
    doXPathDump(res);
    xmlXPathFreeObject(res);
}
#endif /* LIBXML_XPATH_ENABLED */

/************************************************************************
 *									*
 *			Tree Test processing				*
 *									*
 ************************************************************************/

static xmlDocPtr
parseFile(const char *filename, xmlParserCtxtPtr rectxt) {
    xmlParserCtxtPtr ctxt;
    xmlDocPtr doc = NULL;

    if ((generate) && (filename == NULL)) {
        xmlNodePtr n;

        doc = xmlNewDoc(BAD_CAST "1.0");
        if (doc == NULL) {
            progresult = XMLLINT_ERR_MEM;
            return(NULL);
        }
        n = xmlNewDocNode(doc, NULL, BAD_CAST "info", NULL);
        if (n == NULL) {
            xmlFreeDoc(doc);
            progresult = XMLLINT_ERR_MEM;
            return(NULL);
        }
        if (xmlNodeSetContent(n, BAD_CAST "abc") < 0) {
            xmlFreeNode(n);
            xmlFreeDoc(doc);
            progresult = XMLLINT_ERR_MEM;
            return(NULL);
        }
        xmlDocSetRootElement(doc, n);

        return(doc);
    }

#ifdef LIBXML_HTML_ENABLED
#ifdef LIBXML_PUSH_ENABLED
    if ((html) && (push)) {
        FILE *f;
        int res;
        char chars[4096];

        if ((filename[0] == '-') && (filename[1] == 0)) {
            f = stdin;
        } else {
	    f = fopen(filename, "rb");
            if (f == NULL) {
                fprintf(ERR_STREAM, "Can't open %s\n", filename);
                progresult = XMLLINT_ERR_RDFILE;
                return(NULL);
            }
        }

        res = fread(chars, 1, 4, f);
        ctxt = htmlCreatePushParserCtxt(NULL, NULL,
                    chars, res, filename, XML_CHAR_ENCODING_NONE);
        if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
            if (f != stdin)
                fclose(f);
            return(NULL);
        }
        htmlCtxtUseOptions(ctxt, options);
        while ((res = fread(chars, 1, pushsize, f)) > 0) {
            htmlParseChunk(ctxt, chars, res, 0);
        }
        htmlParseChunk(ctxt, chars, 0, 1);
        doc = ctxt->myDoc;
        htmlFreeParserCtxt(ctxt);
        if (f != stdin)
            fclose(f);

        return(doc);
    }
#endif /* LIBXML_PUSH_ENABLED */

    if (html) {
        ctxt = htmlNewParserCtxt();
        doc = parseHtml(ctxt, filename);
        htmlFreeParserCtxt(ctxt);
        return(doc);
    }
#endif /* LIBXML_HTML_ENABLED */

#ifdef LIBXML_PUSH_ENABLED
    if (push) {
        FILE *f;
        int res;
        char chars[4096];

        if ((filename[0] == '-') && (filename[1] == 0)) {
            f = stdin;
        } else {
            f = fopen(filename, "rb");
            if (f == NULL) {
                fprintf(ERR_STREAM, "Can't open %s\n", filename);
                progresult = XMLLINT_ERR_RDFILE;
                return(NULL);
            }
        }

        res = fread(chars, 1, 4, f);
        ctxt = xmlCreatePushParserCtxt(NULL, NULL,
                    chars, res, filename);
        if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
            if (f != stdin)
                fclose(f);
            return(NULL);
        }

        xmlCtxtSetResourceLoader(ctxt, xmllintResourceLoader, NULL);
        xmlCtxtUseOptions(ctxt, options);
        if (maxAmpl > 0)
            xmlCtxtSetMaxAmplification(ctxt, maxAmpl);

        if (htmlout)
            xmlCtxtSetErrorHandler(ctxt, xmlHTMLError, ctxt);

        while ((res = fread(chars, 1, pushsize, f)) > 0) {
            xmlParseChunk(ctxt, chars, res, 0);
        }
        xmlParseChunk(ctxt, chars, 0, 1);

        doc = ctxt->myDoc;
        if (f != stdin)
            fclose(f);
    } else
#endif /* LIBXML_PUSH_ENABLED */
    {
        if (rectxt == NULL) {
            ctxt = xmlNewParserCtxt();
            if (ctxt == NULL) {
                progresult = XMLLINT_ERR_MEM;
                return(NULL);
            }
        } else {
            ctxt = rectxt;
        }

        doc = parseXml(ctxt, filename);

        if (htmlout)
            xmlCtxtSetErrorHandler(ctxt, xmlHTMLError, ctxt);
    }

    if (doc == NULL) {
        if (ctxt->errNo == XML_ERR_NO_MEMORY)
            progresult = XMLLINT_ERR_MEM;
        else
	    progresult = XMLLINT_ERR_RDFILE;
    } else {
#ifdef LIBXML_VALID_ENABLED
        if ((options & XML_PARSE_DTDVALID) && (ctxt->valid == 0))
            progresult = XMLLINT_ERR_VALID;
#endif /* LIBXML_VALID_ENABLED */
    }

    if (ctxt != rectxt)
        xmlFreeParserCtxt(ctxt);

    return(doc);
}

static void
parseAndPrintFile(const char *filename, xmlParserCtxtPtr rectxt) {
    xmlDocPtr doc;

    if ((timing) && (!repeat))
	startTimer();

    doc = parseFile(filename, rectxt);
    if (doc == NULL) {
        if (progresult == XMLLINT_RETURN_OK)
            progresult = XMLLINT_ERR_UNCLASS;
	return;
    }

    if ((timing) && (!repeat)) {
	endTimer("Parsing");
    }

    if (dropdtd) {
	xmlDtdPtr dtd;

	dtd = xmlGetIntSubset(doc);
	if (dtd != NULL) {
	    xmlUnlinkNode((xmlNodePtr)dtd);
            doc->intSubset = dtd;
	}
    }

#ifdef LIBXML_XINCLUDE_ENABLED
    if (xinclude) {
	if ((timing) && (!repeat)) {
	    startTimer();
	}
	if (xmlXIncludeProcessFlags(doc, options) < 0)
	    progresult = XMLLINT_ERR_UNCLASS;
	if ((timing) && (!repeat)) {
	    endTimer("Xinclude processing");
	}
    }
#endif

#ifdef LIBXML_XPATH_ENABLED
    if (xpathquery != NULL) {
        doXPathQuery(doc, xpathquery);
    }
#endif

#ifndef XMLLINT_FUZZ
    /*
     * shell interaction
     */
    if (shell) {
#ifdef LIBXML_XPATH_ENABLED
        xmlXPathOrderDocElems(doc);
#endif
        xmllintShell(doc, filename, stdout);
    }
#endif

    /*
     * test intermediate copy if needed.
     */
    if (copy) {
        xmlDocPtr tmp;

        tmp = doc;
	if (timing) {
	    startTimer();
	}
	doc = xmlCopyDoc(doc, 1);
        if (doc == NULL) {
            progresult = XMLLINT_ERR_MEM;
            xmlFreeDoc(tmp);
            return;
        }
	if (timing) {
	    endTimer("Copying");
	}
	if (timing) {
	    startTimer();
	}
	xmlFreeDoc(tmp);
	if (timing) {
	    endTimer("Freeing original");
	}
    }

#ifdef LIBXML_VALID_ENABLED
    if ((insert)
#ifdef LIBXML_HTML_ENABLED
        && (!html)
#endif
    ) {
        const xmlChar* list[256];
	int nb, i;
	xmlNodePtr node;

	if (doc->children != NULL) {
	    node = doc->children;
	    while ((node != NULL) &&
                   ((node->type != XML_ELEMENT_NODE) ||
                    (node->last == NULL)))
                node = node->next;
	    if (node != NULL) {
		nb = xmlValidGetValidElements(node->last, NULL, list, 256);
		if (nb < 0) {
		    fprintf(ERR_STREAM, "could not get valid list of elements\n");
		} else if (nb == 0) {
		    fprintf(ERR_STREAM, "No element can be inserted under root\n");
		} else {
		    fprintf(ERR_STREAM, "%d element types can be inserted under root:\n",
		           nb);
		    for (i = 0;i < nb;i++) {
			 fprintf(ERR_STREAM, "%s\n", (char *) list[i]);
		    }
		}
	    }
	}
    }else
#endif /* LIBXML_VALID_ENABLED */
#ifdef LIBXML_READER_ENABLED
    if (walker) {
        walkDoc(doc);
    }
#endif /* LIBXML_READER_ENABLED */
#ifdef LIBXML_OUTPUT_ENABLED
    if (noout == 0) {
        if (compress)
            xmlSetDocCompressMode(doc, 9);

	/*
	 * print it.
	 */
#ifdef LIBXML_DEBUG_ENABLED
	if (!debug) {
#endif
	    if ((timing) && (!repeat)) {
		startTimer();
	    }
#ifdef LIBXML_HTML_ENABLED
            if ((html) && (!xmlout)) {
		if (compress) {
		    htmlSaveFile(output ? output : "-", doc);
		}
		else if (encoding != NULL) {
		    if (format == 1) {
			htmlSaveFileFormat(output ? output : "-", doc, encoding, 1);
		    }
		    else {
			htmlSaveFileFormat(output ? output : "-", doc, encoding, 0);
		    }
		}
		else if (format == 1) {
		    htmlSaveFileFormat(output ? output : "-", doc, NULL, 1);
		}
		else {
		    FILE *out;
		    if (output == NULL)
			out = stdout;
		    else {
			out = fopen(output,"wb");
		    }
		    if (out != NULL) {
			if (htmlDocDump(out, doc) < 0)
			    progresult = XMLLINT_ERR_OUT;

			if (output != NULL)
			    fclose(out);
		    } else {
			fprintf(ERR_STREAM, "failed to open %s\n", output);
			progresult = XMLLINT_ERR_OUT;
		    }
		}
		if ((timing) && (!repeat)) {
		    endTimer("Saving");
		}
	    } else
#endif
#ifdef LIBXML_C14N_ENABLED
            if (canonical) {
	        xmlChar *result = NULL;
		int size;

		size = xmlC14NDocDumpMemory(doc, NULL, XML_C14N_1_0, NULL, 1, &result);
		if (size >= 0) {
		    if (write(1, result, size) == -1) {
		        fprintf(ERR_STREAM, "Can't write data\n");
		    }
		    xmlFree(result);
		} else {
		    fprintf(ERR_STREAM, "Failed to canonicalize\n");
		    progresult = XMLLINT_ERR_OUT;
		}
	    } else if (canonical_11) {
	        xmlChar *result = NULL;
		int size;

		size = xmlC14NDocDumpMemory(doc, NULL, XML_C14N_1_1, NULL, 1, &result);
		if (size >= 0) {
		    if (write(1, result, size) == -1) {
		        fprintf(ERR_STREAM, "Can't write data\n");
		    }
		    xmlFree(result);
		} else {
		    fprintf(ERR_STREAM, "Failed to canonicalize\n");
		    progresult = XMLLINT_ERR_OUT;
		}
	    } else
            if (exc_canonical) {
	        xmlChar *result = NULL;
		int size;

		size = xmlC14NDocDumpMemory(doc, NULL, XML_C14N_EXCLUSIVE_1_0, NULL, 1, &result);
		if (size >= 0) {
		    if (write(1, result, size) == -1) {
		        fprintf(ERR_STREAM, "Can't write data\n");
		    }
		    xmlFree(result);
		} else {
		    fprintf(ERR_STREAM, "Failed to canonicalize\n");
		    progresult = XMLLINT_ERR_OUT;
		}
	    } else
#endif
#if HAVE_DECL_MMAP
	    if (memory) {
		xmlChar *result;
		int len;

		if (encoding != NULL) {
		    if (format == 1) {
		        xmlDocDumpFormatMemoryEnc(doc, &result, &len, encoding, 1);
		    } else {
			xmlDocDumpMemoryEnc(doc, &result, &len, encoding);
		    }
		} else {
		    if (format == 1)
			xmlDocDumpFormatMemory(doc, &result, &len, 1);
		    else
			xmlDocDumpMemory(doc, &result, &len);
		}
		if (result == NULL) {
		    fprintf(ERR_STREAM, "Failed to save\n");
		    progresult = XMLLINT_ERR_OUT;
		} else {
		    if (write(1, result, len) == -1) {
		        fprintf(ERR_STREAM, "Can't write data\n");
		    }
		    xmlFree(result);
		}

	    } else
#endif /* HAVE_DECL_MMAP */
	    if (compress) {
		xmlSaveFile(output ? output : "-", doc);
	    } else {
	        xmlSaveCtxtPtr ctxt;
		int saveOpts = 0;

                if (format == 1)
		    saveOpts |= XML_SAVE_FORMAT;
                else if (format == 2)
                    saveOpts |= XML_SAVE_WSNONSIG;

#if defined(LIBXML_HTML_ENABLED)
                if (xmlout)
                    saveOpts |= XML_SAVE_AS_XML;
#endif

		if (output == NULL)
		    ctxt = xmlSaveToFd(1, encoding, saveOpts);
		else
		    ctxt = xmlSaveToFilename(output, encoding, saveOpts);

		if (ctxt != NULL) {
		    if (xmlSaveDoc(ctxt, doc) < 0) {
			fprintf(ERR_STREAM, "failed save to %s\n",
				output ? output : "-");
			progresult = XMLLINT_ERR_OUT;
		    }
		    xmlSaveClose(ctxt);
		} else {
		    progresult = XMLLINT_ERR_OUT;
		}
	    }
	    if ((timing) && (!repeat)) {
		endTimer("Saving");
	    }
#ifdef LIBXML_DEBUG_ENABLED
	} else {
	    FILE *out;
	    if (output == NULL)
	        out = stdout;
	    else {
		out = fopen(output,"wb");
	    }
	    if (out != NULL) {
		xmlDebugDumpDocument(out, doc);

		if (output != NULL)
		    fclose(out);
	    } else {
		fprintf(ERR_STREAM, "failed to open %s\n", output);
		progresult = XMLLINT_ERR_OUT;
	    }
	}
#endif
    }
#endif /* LIBXML_OUTPUT_ENABLED */

#ifdef LIBXML_VALID_ENABLED
    /*
     * A posteriori validation test
     */
    if ((dtdvalid != NULL) || (dtdvalidfpi != NULL)) {
	xmlDtdPtr dtd;

	if ((timing) && (!repeat)) {
	    startTimer();
	}
	if (dtdvalid != NULL)
	    dtd = xmlParseDTD(NULL, (const xmlChar *)dtdvalid);
	else
	    dtd = xmlParseDTD((const xmlChar *)dtdvalidfpi, NULL);
	if ((timing) && (!repeat)) {
	    endTimer("Parsing DTD");
	}
	if (dtd == NULL) {
	    if (dtdvalid != NULL)
		fprintf(ERR_STREAM,
			"Could not parse DTD %s\n", dtdvalid);
	    else
		fprintf(ERR_STREAM,
			"Could not parse DTD %s\n", dtdvalidfpi);
	    progresult = XMLLINT_ERR_DTD;
	} else {
	    xmlValidCtxtPtr cvp;

	    cvp = xmlNewValidCtxt();
	    if (cvp == NULL) {
		fprintf(ERR_STREAM,
			"Couldn't allocate validation context\n");
                progresult = XMLLINT_ERR_MEM;
                xmlFreeDtd(dtd);
                return;
	    }

	    if ((timing) && (!repeat)) {
		startTimer();
	    }
	    if (!xmlValidateDtd(cvp, doc, dtd)) {
		if (dtdvalid != NULL)
		    fprintf(ERR_STREAM,
			    "Document %s does not validate against %s\n",
			    filename, dtdvalid);
		else
		    fprintf(ERR_STREAM,
			    "Document %s does not validate against %s\n",
			    filename, dtdvalidfpi);
		progresult = XMLLINT_ERR_VALID;
	    }
	    if ((timing) && (!repeat)) {
		endTimer("Validating against DTD");
	    }
	    xmlFreeValidCtxt(cvp);
	    xmlFreeDtd(dtd);
	}
    } else if (postvalid) {
	xmlValidCtxtPtr cvp;

	cvp = xmlNewValidCtxt();
	if (cvp == NULL) {
	    fprintf(ERR_STREAM,
		    "Couldn't allocate validation context\n");
            progresult = XMLLINT_ERR_MEM;
            xmlFreeDoc(doc);
            return;
	}

	if ((timing) && (!repeat)) {
	    startTimer();
	}
	if (!xmlValidateDocument(cvp, doc)) {
	    fprintf(ERR_STREAM,
		    "Document %s does not validate\n", filename);
	    progresult = XMLLINT_ERR_VALID;
	}
	if ((timing) && (!repeat)) {
	    endTimer("Validating");
	}
	xmlFreeValidCtxt(cvp);
    }
#endif /* LIBXML_VALID_ENABLED */
#ifdef LIBXML_SCHEMATRON_ENABLED
    if (wxschematron != NULL) {
	xmlSchematronValidCtxtPtr ctxt;
	int ret;
	int flag;

	if ((timing) && (!repeat)) {
	    startTimer();
	}

	if (debug)
	    flag = XML_SCHEMATRON_OUT_XML;
	else
	    flag = XML_SCHEMATRON_OUT_TEXT;
	if (noout)
	    flag |= XML_SCHEMATRON_OUT_QUIET;
	ctxt = xmlSchematronNewValidCtxt(wxschematron, flag);
        if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
            xmlFreeDoc(doc);
            return;
        }
	ret = xmlSchematronValidateDoc(ctxt, doc);
	if (ret == 0) {
	    if (!quiet) {
	        fprintf(ERR_STREAM, "%s validates\n", filename);
	    }
	} else if (ret > 0) {
	    fprintf(ERR_STREAM, "%s fails to validate\n", filename);
	    progresult = XMLLINT_ERR_VALID;
	} else {
	    fprintf(ERR_STREAM, "%s validation generated an internal error\n",
		   filename);
	    progresult = XMLLINT_ERR_VALID;
	}
	xmlSchematronFreeValidCtxt(ctxt);
	if ((timing) && (!repeat)) {
	    endTimer("Validating");
	}
    }
#endif
#ifdef LIBXML_SCHEMAS_ENABLED
    if (relaxngschemas != NULL) {
	xmlRelaxNGValidCtxtPtr ctxt;
	int ret;

	if ((timing) && (!repeat)) {
	    startTimer();
	}

	ctxt = xmlRelaxNGNewValidCtxt(relaxngschemas);
        if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
            xmlFreeDoc(doc);
            return;
        }
	ret = xmlRelaxNGValidateDoc(ctxt, doc);
	if (ret == 0) {
	    if (!quiet) {
	        fprintf(ERR_STREAM, "%s validates\n", filename);
	    }
	} else if (ret > 0) {
	    fprintf(ERR_STREAM, "%s fails to validate\n", filename);
	    progresult = XMLLINT_ERR_VALID;
	} else {
	    fprintf(ERR_STREAM, "%s validation generated an internal error\n",
		   filename);
	    progresult = XMLLINT_ERR_VALID;
	}
	xmlRelaxNGFreeValidCtxt(ctxt);
	if ((timing) && (!repeat)) {
	    endTimer("Validating");
	}
    } else if (wxschemas != NULL) {
	xmlSchemaValidCtxtPtr ctxt;
	int ret;

	if ((timing) && (!repeat)) {
	    startTimer();
	}

	ctxt = xmlSchemaNewValidCtxt(wxschemas);
        if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
            xmlFreeDoc(doc);
            return;
        }
	ret = xmlSchemaValidateDoc(ctxt, doc);
	if (ret == 0) {
	    if (!quiet) {
	        fprintf(ERR_STREAM, "%s validates\n", filename);
	    }
	} else if (ret > 0) {
	    fprintf(ERR_STREAM, "%s fails to validate\n", filename);
	    progresult = XMLLINT_ERR_VALID;
	} else {
	    fprintf(ERR_STREAM, "%s validation generated an internal error\n",
		   filename);
	    progresult = XMLLINT_ERR_VALID;
	}
	xmlSchemaFreeValidCtxt(ctxt);
	if ((timing) && (!repeat)) {
	    endTimer("Validating");
	}
    }
#endif

#ifdef LIBXML_DEBUG_ENABLED
    if ((debugent)
#if defined(LIBXML_HTML_ENABLED)
        && (!html)
#endif
    )
	xmlDebugDumpEntities(ERR_STREAM, doc);
#endif

    /*
     * free it.
     */
    if ((timing) && (!repeat)) {
	startTimer();
    }
    xmlFreeDoc(doc);
    if ((timing) && (!repeat)) {
	endTimer("Freeing");
    }
}

/************************************************************************
 *									*
 *			Usage and Main					*
 *									*
 ************************************************************************/

static void showVersion(const char *name) {
    fprintf(ERR_STREAM, "%s: using libxml version %s\n", name, xmlParserVersion);
    fprintf(ERR_STREAM, "   compiled with: ");
    if (xmlHasFeature(XML_WITH_THREAD)) fprintf(ERR_STREAM, "Threads ");
    if (xmlHasFeature(XML_WITH_TREE)) fprintf(ERR_STREAM, "Tree ");
    if (xmlHasFeature(XML_WITH_OUTPUT)) fprintf(ERR_STREAM, "Output ");
    if (xmlHasFeature(XML_WITH_PUSH)) fprintf(ERR_STREAM, "Push ");
    if (xmlHasFeature(XML_WITH_READER)) fprintf(ERR_STREAM, "Reader ");
    if (xmlHasFeature(XML_WITH_PATTERN)) fprintf(ERR_STREAM, "Patterns ");
    if (xmlHasFeature(XML_WITH_WRITER)) fprintf(ERR_STREAM, "Writer ");
    if (xmlHasFeature(XML_WITH_SAX1)) fprintf(ERR_STREAM, "SAXv1 ");
    if (xmlHasFeature(XML_WITH_HTTP)) fprintf(ERR_STREAM, "HTTP ");
    if (xmlHasFeature(XML_WITH_VALID)) fprintf(ERR_STREAM, "DTDValid ");
    if (xmlHasFeature(XML_WITH_HTML)) fprintf(ERR_STREAM, "HTML ");
    if (xmlHasFeature(XML_WITH_LEGACY)) fprintf(ERR_STREAM, "Legacy ");
    if (xmlHasFeature(XML_WITH_C14N)) fprintf(ERR_STREAM, "C14N ");
    if (xmlHasFeature(XML_WITH_CATALOG)) fprintf(ERR_STREAM, "Catalog ");
    if (xmlHasFeature(XML_WITH_XPATH)) fprintf(ERR_STREAM, "XPath ");
    if (xmlHasFeature(XML_WITH_XPTR)) fprintf(ERR_STREAM, "XPointer ");
    if (xmlHasFeature(XML_WITH_XINCLUDE)) fprintf(ERR_STREAM, "XInclude ");
    if (xmlHasFeature(XML_WITH_ICONV)) fprintf(ERR_STREAM, "Iconv ");
    if (xmlHasFeature(XML_WITH_ICU)) fprintf(ERR_STREAM, "ICU ");
    if (xmlHasFeature(XML_WITH_ISO8859X)) fprintf(ERR_STREAM, "ISO8859X ");
    if (xmlHasFeature(XML_WITH_UNICODE)) fprintf(ERR_STREAM, "Unicode ");
    if (xmlHasFeature(XML_WITH_REGEXP)) fprintf(ERR_STREAM, "Regexps ");
    if (xmlHasFeature(XML_WITH_AUTOMATA)) fprintf(ERR_STREAM, "Automata ");
    if (xmlHasFeature(XML_WITH_EXPR)) fprintf(ERR_STREAM, "Expr ");
    if (xmlHasFeature(XML_WITH_SCHEMAS)) fprintf(ERR_STREAM, "Schemas ");
    if (xmlHasFeature(XML_WITH_SCHEMATRON)) fprintf(ERR_STREAM, "Schematron ");
    if (xmlHasFeature(XML_WITH_MODULES)) fprintf(ERR_STREAM, "Modules ");
    if (xmlHasFeature(XML_WITH_DEBUG)) fprintf(ERR_STREAM, "Debug ");
    if (xmlHasFeature(XML_WITH_ZLIB)) fprintf(ERR_STREAM, "Zlib ");
    if (xmlHasFeature(XML_WITH_LZMA)) fprintf(ERR_STREAM, "Lzma ");
    fprintf(ERR_STREAM, "\n");
}

static void usage(FILE *f, const char *name) {
    fprintf(f, "Usage : %s [options] XMLfiles ...\n", name);
#ifdef LIBXML_OUTPUT_ENABLED
    fprintf(f, "\tParse the XML files and output the result of the parsing\n");
#else
    fprintf(f, "\tParse the XML files\n");
#endif /* LIBXML_OUTPUT_ENABLED */
    fprintf(f, "\t--version : display the version of the XML library used\n");
    fprintf(f, "\t--shell : run a navigating shell\n");
#ifdef LIBXML_DEBUG_ENABLED
    fprintf(f, "\t--debug : dump a debug tree of the in-memory document\n");
    fprintf(f, "\t--debugent : debug the entities defined in the document\n");
#else
#ifdef LIBXML_READER_ENABLED
    fprintf(f, "\t--debug : dump the nodes content when using --stream\n");
#endif /* LIBXML_READER_ENABLED */
#endif
    fprintf(f, "\t--copy : used to test the internal copy implementation\n");
    fprintf(f, "\t--recover : output what was parsable on broken XML documents\n");
    fprintf(f, "\t--huge : remove any internal arbitrary parser limits\n");
    fprintf(f, "\t--noent : substitute entity references by their value\n");
    fprintf(f, "\t--noenc : ignore any encoding specified inside the document\n");
    fprintf(f, "\t--noout : don't output the result tree\n");
    fprintf(f, "\t--path 'paths': provide a set of paths for resources\n");
    fprintf(f, "\t--load-trace : print trace of all external entities loaded\n");
    fprintf(f, "\t--nonet : refuse to fetch DTDs or entities over network\n");
    fprintf(f, "\t--nocompact : do not generate compact text nodes\n");
    fprintf(f, "\t--htmlout : output results as HTML\n");
    fprintf(f, "\t--nowrap : do not put HTML doc wrapper\n");
#ifdef LIBXML_VALID_ENABLED
    fprintf(f, "\t--valid : validate the document in addition to std well-formed check\n");
    fprintf(f, "\t--postvalid : do a posteriori validation, i.e after parsing\n");
    fprintf(f, "\t--dtdvalid URL : do a posteriori validation against a given DTD\n");
    fprintf(f, "\t--dtdvalidfpi FPI : same but name the DTD with a Public Identifier\n");
    fprintf(f, "\t--insert : ad-hoc test for valid insertions\n");
#endif /* LIBXML_VALID_ENABLED */
    fprintf(f, "\t--quiet : be quiet when succeeded\n");
    fprintf(f, "\t--timing : print some timings\n");
    fprintf(f, "\t--repeat : repeat 100 times, for timing or profiling\n");
    fprintf(f, "\t--dropdtd : remove the DOCTYPE of the input docs\n");
#ifdef LIBXML_HTML_ENABLED
    fprintf(f, "\t--html : use the HTML parser\n");
    fprintf(f, "\t--xmlout : force to use the XML serializer when using --html\n");
    fprintf(f, "\t--nodefdtd : do not default HTML doctype\n");
#endif
#ifdef LIBXML_PUSH_ENABLED
    fprintf(f, "\t--push : use the push mode of the parser\n");
#endif /* LIBXML_PUSH_ENABLED */
#if HAVE_DECL_MMAP
    fprintf(f, "\t--memory : parse from memory\n");
#endif
    fprintf(f, "\t--maxmem nbbytes : limits memory allocation to nbbytes bytes\n");
    fprintf(f, "\t--nowarning : do not emit warnings from parser/validator\n");
    fprintf(f, "\t--noblanks : drop (ignorable?) blanks spaces\n");
    fprintf(f, "\t--nocdata : replace cdata section with text nodes\n");
    fprintf(f, "\t--nodict : create document without dictionary\n");
    fprintf(f, "\t--pedantic : enable additional warnings\n");
#ifdef LIBXML_OUTPUT_ENABLED
    fprintf(f, "\t--output file or -o file: save to a given file\n");
    fprintf(f, "\t--format : reformat/reindent the output\n");
    fprintf(f, "\t--encode encoding : output in the given encoding\n");
    fprintf(f, "\t--pretty STYLE : pretty-print in a particular style\n");
    fprintf(f, "\t                 0 Do not pretty print\n");
    fprintf(f, "\t                 1 Format the XML content, as --format\n");
    fprintf(f, "\t                 2 Add whitespace inside tags, preserving content\n");
#ifdef LIBXML_ZLIB_ENABLED
    fprintf(f, "\t--compress : turn on gzip compression of output\n");
#endif
#endif /* LIBXML_OUTPUT_ENABLED */
    fprintf(f, "\t--c14n : save in W3C canonical format v1.0 (with comments)\n");
    fprintf(f, "\t--c14n11 : save in W3C canonical format v1.1 (with comments)\n");
    fprintf(f, "\t--exc-c14n : save in W3C exclusive canonical format (with comments)\n");
#ifdef LIBXML_C14N_ENABLED
#endif /* LIBXML_C14N_ENABLED */
    fprintf(f, "\t--nsclean : remove redundant namespace declarations\n");
    fprintf(f, "\t--testIO : test user I/O support\n");
#ifdef LIBXML_CATALOG_ENABLED
    fprintf(f, "\t--catalogs : use SGML catalogs from $SGML_CATALOG_FILES\n");
    fprintf(f, "\t             otherwise XML Catalogs starting from \n");
    fprintf(f, "\t         %s are activated by default\n", XML_XML_DEFAULT_CATALOG);
    fprintf(f, "\t--nocatalogs: deactivate all catalogs\n");
#endif
    fprintf(f, "\t--auto : generate a small doc on the fly\n");
#ifdef LIBXML_XINCLUDE_ENABLED
    fprintf(f, "\t--xinclude : do XInclude processing\n");
    fprintf(f, "\t--noxincludenode : same but do not generate XInclude nodes\n");
    fprintf(f, "\t--nofixup-base-uris : do not fixup xml:base uris\n");
#endif
    fprintf(f, "\t--loaddtd : fetch external DTD\n");
    fprintf(f, "\t--dtdattr : loaddtd + populate the tree with inherited attributes \n");
#ifdef LIBXML_READER_ENABLED
    fprintf(f, "\t--stream : use the streaming interface to process very large files\n");
    fprintf(f, "\t--walker : create a reader and walk though the resulting doc\n");
#ifdef LIBXML_PATTERN_ENABLED
    fprintf(f, "\t--pattern pattern_value : test the pattern support\n");
#endif
#endif /* LIBXML_READER_ENABLED */
#ifdef LIBXML_SCHEMAS_ENABLED
    fprintf(f, "\t--relaxng schema : do RelaxNG validation against the schema\n");
    fprintf(f, "\t--schema schema : do validation against the WXS schema\n");
#endif
#ifdef LIBXML_SCHEMATRON_ENABLED
    fprintf(f, "\t--schematron schema : do validation against a schematron\n");
#endif
#ifdef LIBXML_SAX1_ENABLED
    fprintf(f, "\t--sax1: use the old SAX1 interfaces for processing\n");
#endif
    fprintf(f, "\t--sax: do not build a tree but work just at the SAX level\n");
    fprintf(f, "\t--oldxml10: use XML-1.0 parsing rules before the 5th edition\n");
#ifdef LIBXML_XPATH_ENABLED
    fprintf(f, "\t--xpath expr: evaluate the XPath expression, imply --noout\n");
#endif
    fprintf(f, "\t--max-ampl value: set maximum amplification factor\n");

    fprintf(f, "\nLibxml project home page: https://gitlab.gnome.org/GNOME/libxml2\n");
}

static unsigned long
parseInteger(const char *ctxt, const char *str,
             unsigned long min, unsigned long max) {
    char *strEnd;
    unsigned long val;

    errno = 0;
    val = strtoul(str, &strEnd, 10);
    if (errno == EINVAL || *strEnd != 0) {
        fprintf(ERR_STREAM, "%s: invalid integer: %s\n", ctxt, str);
        exit(XMLLINT_ERR_UNCLASS);
    }
    if (errno != 0 || val < min || val > max) {
        fprintf(ERR_STREAM, "%s: integer out of range: %s\n", ctxt, str);
        exit(XMLLINT_ERR_UNCLASS);
    }

    return(val);
}

static int
skipArgs(const char *arg) {
    if ((!strcmp(arg, "-path")) ||
        (!strcmp(arg, "--path")) ||
        (!strcmp(arg, "-maxmem")) ||
        (!strcmp(arg, "--maxmem")) ||
#ifdef LIBXML_OUTPUT_ENABLED
        (!strcmp(arg, "-o")) ||
        (!strcmp(arg, "-output")) ||
        (!strcmp(arg, "--output")) ||
        (!strcmp(arg, "-encode")) ||
        (!strcmp(arg, "--encode")) ||
        (!strcmp(arg, "-pretty")) ||
        (!strcmp(arg, "--pretty")) ||
#endif
#ifdef LIBXML_VALID_ENABLED
        (!strcmp(arg, "-dtdvalid")) ||
        (!strcmp(arg, "--dtdvalid")) ||
        (!strcmp(arg, "-dtdvalidfpi")) ||
        (!strcmp(arg, "--dtdvalidfpi")) ||
#endif
#ifdef LIBXML_SCHEMAS_ENABLED
        (!strcmp(arg, "-relaxng")) ||
        (!strcmp(arg, "--relaxng")) ||
        (!strcmp(arg, "-schema")) ||
        (!strcmp(arg, "--schema")) ||
#endif
#ifdef LIBXML_SCHEMATRON_ENABLED
        (!strcmp(arg, "-schematron")) ||
        (!strcmp(arg, "--schematron")) ||
#endif
#if defined(LIBXML_READER_ENABLED) && defined(LIBXML_PATTERN_ENABLED)
        (!strcmp(arg, "-pattern")) ||
        (!strcmp(arg, "--pattern")) ||
#endif
#ifdef LIBXML_XPATH_ENABLED
        (!strcmp(arg, "-xpath")) ||
        (!strcmp(arg, "--xpath")) ||
#endif
        (!strcmp(arg, "-max-ampl")) ||
        (!strcmp(arg, "--max-ampl"))
    ) {
        return(1);
    }

    return(0);
}

static int
xmllintMain(int argc, const char **argv, xmlResourceLoader loader) {
    int i, acount;
    int files = 0;
    int version = 0;
    int nowrap = 0;
    int sax = 0;
#ifdef LIBXML_READER_ENABLED
    int stream = 0;
#endif
#ifdef LIBXML_CATALOG_ENABLED
    int catalogs = 0;
    int nocatalogs = 0;
#endif

    defaultResourceLoader = loader;

#ifdef XMLLINT_FUZZ
#ifdef LIBXML_DEBUG_ENABLED
    shell = 0;
    debugent = 0;
#endif
    debug = 0;
    maxmem = 0;
    copy = 0;
    noout = 0;
#ifdef LIBXML_OUTPUT_ENABLED
    format = 0;
    output = NULL;
    compress = 0;
#endif /* LIBXML_OUTPUT_ENABLED */
#ifdef LIBXML_VALID_ENABLED
    postvalid = 0;
    dtdvalid = NULL;
    dtdvalidfpi = NULL;
    insert = 0;
#endif
#ifdef LIBXML_SCHEMAS_ENABLED
    relaxng = NULL;
    relaxngschemas = NULL;
    schema = NULL;
    wxschemas = NULL;
#endif
#ifdef LIBXML_SCHEMATRON_ENABLED
    schematron = NULL;
    wxschematron = NULL;
#endif
    repeat = 0;
#if defined(LIBXML_HTML_ENABLED)
    html = 0;
    xmlout = 0;
#endif
    htmlout = 0;
#ifdef LIBXML_PUSH_ENABLED
    push = 0;
#endif /* LIBXML_PUSH_ENABLED */
#if HAVE_DECL_MMAP
    memory = 0;
    memoryData = NULL;
    memorySize = 0;
#endif
    testIO = 0;
    encoding = NULL;
#ifdef LIBXML_XINCLUDE_ENABLED
    xinclude = 0;
#endif
    progresult = XMLLINT_RETURN_OK;
    quiet = 0;
    timing = 0;
    generate = 0;
    dropdtd = 0;
#ifdef LIBXML_C14N_ENABLED
    canonical = 0;
    canonical_11 = 0;
    exc_canonical = 0;
#endif
#ifdef LIBXML_READER_ENABLED
    walker = 0;
#ifdef LIBXML_PATTERN_ENABLED
    pattern = NULL;
    patternc = NULL;
    patstream = NULL;
#endif
#endif /* LIBXML_READER_ENABLED */
#ifdef LIBXML_XPATH_ENABLED
    xpathquery = NULL;
#endif
    options = XML_PARSE_COMPACT | XML_PARSE_BIG_LINES;
    maxAmpl = 0;
#endif /* XMLLINT_FUZZ */

#ifdef _WIN32
    _setmode(_fileno(stdin), _O_BINARY);
    _setmode(_fileno(stdout), _O_BINARY);
    _setmode(_fileno(stderr), _O_BINARY);
#endif

    if (argc <= 1) {
	usage(ERR_STREAM, argv[0]);
	return(XMLLINT_ERR_UNCLASS);
    }

    /* xmlMemSetup must be called before initializing the parser. */
    for (i = 1; i < argc ; i++) {
	if ((!strcmp(argv[i], "-maxmem")) ||
	    (!strcmp(argv[i], "--maxmem"))) {
            i++;
            if (i >= argc) {
                fprintf(ERR_STREAM, "maxmem: missing integer value\n");
                return(XMLLINT_ERR_UNCLASS);
            }
            errno = 0;
            maxmem = parseInteger("maxmem", argv[i], 0, INT_MAX);
        } else if (argv[i][0] == '-') {
            i += skipArgs(argv[i]);
	}
    }
    if (maxmem != 0)
        xmlMemSetup(myFreeFunc, myMallocFunc, myReallocFunc, myStrdupFunc);

    LIBXML_TEST_VERSION

    for (i = 1; i < argc ; i++) {
	if (argv[i][0] != '-' || argv[i][1] == 0)
	    continue;

	if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
	    debug++;
	else
	if ((!strcmp(argv[i], "-shell")) ||
	         (!strcmp(argv[i], "--shell"))) {
	    shell++;
            noout = 1;
        } else
	if ((!strcmp(argv[i], "-copy")) || (!strcmp(argv[i], "--copy")))
	    copy++;
	else
	if ((!strcmp(argv[i], "-recover")) ||
	         (!strcmp(argv[i], "--recover"))) {
	    options |= XML_PARSE_RECOVER;
	} else if ((!strcmp(argv[i], "-huge")) ||
	         (!strcmp(argv[i], "--huge"))) {
	    options |= XML_PARSE_HUGE;
	} else if ((!strcmp(argv[i], "-noent")) ||
	         (!strcmp(argv[i], "--noent"))) {
	    options |= XML_PARSE_NOENT;
	} else if ((!strcmp(argv[i], "-noenc")) ||
	         (!strcmp(argv[i], "--noenc"))) {
	    options |= XML_PARSE_IGNORE_ENC;
	} else if ((!strcmp(argv[i], "-nsclean")) ||
	         (!strcmp(argv[i], "--nsclean"))) {
	    options |= XML_PARSE_NSCLEAN;
	} else if ((!strcmp(argv[i], "-nocdata")) ||
	         (!strcmp(argv[i], "--nocdata"))) {
	    options |= XML_PARSE_NOCDATA;
	} else if ((!strcmp(argv[i], "-nodict")) ||
	         (!strcmp(argv[i], "--nodict"))) {
	    options |= XML_PARSE_NODICT;
	} else if ((!strcmp(argv[i], "-version")) ||
	         (!strcmp(argv[i], "--version"))) {
	    showVersion(argv[0]);
	    version = 1;
	} else if ((!strcmp(argv[i], "-noout")) ||
	         (!strcmp(argv[i], "--noout")))
	    noout++;
	else if ((!strcmp(argv[i], "-htmlout")) ||
	         (!strcmp(argv[i], "--htmlout")))
	    htmlout++;
	else if ((!strcmp(argv[i], "-nowrap")) ||
	         (!strcmp(argv[i], "--nowrap")))
	    nowrap++;
#ifdef LIBXML_HTML_ENABLED
	else if ((!strcmp(argv[i], "-html")) ||
	         (!strcmp(argv[i], "--html"))) {
	    html++;
        }
	else if ((!strcmp(argv[i], "-xmlout")) ||
	         (!strcmp(argv[i], "--xmlout"))) {
	    xmlout++;
	} else if ((!strcmp(argv[i], "-nodefdtd")) ||
	         (!strcmp(argv[i], "--nodefdtd"))) {
	    options |= HTML_PARSE_NODEFDTD;
        }
#endif /* LIBXML_HTML_ENABLED */
	else if ((!strcmp(argv[i], "-loaddtd")) ||
	         (!strcmp(argv[i], "--loaddtd"))) {
	    options |= XML_PARSE_DTDLOAD;
	} else if ((!strcmp(argv[i], "-dtdattr")) ||
	         (!strcmp(argv[i], "--dtdattr"))) {
	    options |= XML_PARSE_DTDATTR;
	}
#ifdef LIBXML_VALID_ENABLED
	else if ((!strcmp(argv[i], "-valid")) ||
	         (!strcmp(argv[i], "--valid"))) {
	    options |= XML_PARSE_DTDVALID;
	} else if ((!strcmp(argv[i], "-postvalid")) ||
	         (!strcmp(argv[i], "--postvalid"))) {
	    postvalid++;
	    options |= XML_PARSE_DTDLOAD;
	} else if ((!strcmp(argv[i], "-dtdvalid")) ||
	         (!strcmp(argv[i], "--dtdvalid"))) {
	    i++;
	    dtdvalid = argv[i];
	    options |= XML_PARSE_DTDLOAD;
	} else if ((!strcmp(argv[i], "-dtdvalidfpi")) ||
	         (!strcmp(argv[i], "--dtdvalidfpi"))) {
	    i++;
	    dtdvalidfpi = argv[i];
	    options |= XML_PARSE_DTDLOAD;
        }
	else if ((!strcmp(argv[i], "-insert")) ||
	         (!strcmp(argv[i], "--insert")))
	    insert++;
#endif /* LIBXML_VALID_ENABLED */
	else if ((!strcmp(argv[i], "-dropdtd")) ||
	         (!strcmp(argv[i], "--dropdtd")))
	    dropdtd++;
	else if ((!strcmp(argv[i], "-quiet")) ||
	         (!strcmp(argv[i], "--quiet")))
	    quiet++;
	else if ((!strcmp(argv[i], "-timing")) ||
	         (!strcmp(argv[i], "--timing")))
	    timing++;
	else if ((!strcmp(argv[i], "-auto")) ||
	         (!strcmp(argv[i], "--auto")))
	    generate++;
	else if ((!strcmp(argv[i], "-repeat")) ||
	         (!strcmp(argv[i], "--repeat"))) {
	    if (repeat)
	        repeat *= 10;
	    else
	        repeat = 100;
	}
#ifdef LIBXML_PUSH_ENABLED
	else if ((!strcmp(argv[i], "-push")) ||
	         (!strcmp(argv[i], "--push")))
	    push++;
#endif /* LIBXML_PUSH_ENABLED */
#if HAVE_DECL_MMAP
	else if ((!strcmp(argv[i], "-memory")) ||
	         (!strcmp(argv[i], "--memory")))
	    memory++;
#endif
	else if ((!strcmp(argv[i], "-testIO")) ||
	         (!strcmp(argv[i], "--testIO")))
	    testIO++;
#ifdef LIBXML_XINCLUDE_ENABLED
	else if ((!strcmp(argv[i], "-xinclude")) ||
	         (!strcmp(argv[i], "--xinclude"))) {
	    xinclude++;
	    options |= XML_PARSE_XINCLUDE;
	}
	else if ((!strcmp(argv[i], "-noxincludenode")) ||
	         (!strcmp(argv[i], "--noxincludenode"))) {
	    xinclude++;
	    options |= XML_PARSE_XINCLUDE;
	    options |= XML_PARSE_NOXINCNODE;
	}
	else if ((!strcmp(argv[i], "-nofixup-base-uris")) ||
	         (!strcmp(argv[i], "--nofixup-base-uris"))) {
	    xinclude++;
	    options |= XML_PARSE_XINCLUDE;
	    options |= XML_PARSE_NOBASEFIX;
	}
#endif
	else if ((!strcmp(argv[i], "-nowarning")) ||
	         (!strcmp(argv[i], "--nowarning"))) {
	    options |= XML_PARSE_NOWARNING;
            options &= ~XML_PARSE_PEDANTIC;
        }
	else if ((!strcmp(argv[i], "-pedantic")) ||
	         (!strcmp(argv[i], "--pedantic"))) {
	    options |= XML_PARSE_PEDANTIC;
            options &= ~XML_PARSE_NOWARNING;
        }
#ifdef LIBXML_DEBUG_ENABLED
	else if ((!strcmp(argv[i], "-debugent")) ||
		 (!strcmp(argv[i], "--debugent"))) {
	    debugent++;
	}
#endif
#ifdef LIBXML_C14N_ENABLED
	else if ((!strcmp(argv[i], "-c14n")) ||
		 (!strcmp(argv[i], "--c14n"))) {
	    canonical++;
	    options |= XML_PARSE_NOENT | XML_PARSE_DTDATTR | XML_PARSE_DTDLOAD;
	}
	else if ((!strcmp(argv[i], "-c14n11")) ||
		 (!strcmp(argv[i], "--c14n11"))) {
	    canonical_11++;
	    options |= XML_PARSE_NOENT | XML_PARSE_DTDATTR | XML_PARSE_DTDLOAD;
	}
	else if ((!strcmp(argv[i], "-exc-c14n")) ||
		 (!strcmp(argv[i], "--exc-c14n"))) {
	    exc_canonical++;
	    options |= XML_PARSE_NOENT | XML_PARSE_DTDATTR | XML_PARSE_DTDLOAD;
	}
#endif
#ifdef LIBXML_CATALOG_ENABLED
	else if ((!strcmp(argv[i], "-catalogs")) ||
		 (!strcmp(argv[i], "--catalogs"))) {
	    catalogs++;
	} else if ((!strcmp(argv[i], "-nocatalogs")) ||
		 (!strcmp(argv[i], "--nocatalogs"))) {
	    nocatalogs++;
	}
#endif
	else if ((!strcmp(argv[i], "-noblanks")) ||
	         (!strcmp(argv[i], "--noblanks"))) {
            options |= XML_PARSE_NOBLANKS;
        }
	else if ((!strcmp(argv[i], "-maxmem")) ||
	         (!strcmp(argv[i], "--maxmem"))) {
	     i++;
        }
#ifdef LIBXML_OUTPUT_ENABLED
	else if ((!strcmp(argv[i], "-o")) ||
	         (!strcmp(argv[i], "-output")) ||
	         (!strcmp(argv[i], "--output"))) {
	    i++;
	    output = argv[i];
	}
	else if ((!strcmp(argv[i], "-format")) ||
	         (!strcmp(argv[i], "--format"))) {
	    format = 1;
            options |= XML_PARSE_NOBLANKS;
	}
	else if ((!strcmp(argv[i], "-encode")) ||
	         (!strcmp(argv[i], "--encode"))) {
	    i++;
	    encoding = argv[i];
	    /*
	     * OK it's for testing purposes
	     */
	    xmlAddEncodingAlias("UTF-8", "DVEnc");
        }
	else if ((!strcmp(argv[i], "-pretty")) ||
	         (!strcmp(argv[i], "--pretty"))) {
	    i++;
            if (argv[i] != NULL)
	        format = atoi(argv[i]);
	}
#ifdef LIBXML_ZLIB_ENABLED
	else if ((!strcmp(argv[i], "-compress")) ||
	         (!strcmp(argv[i], "--compress"))) {
	    compress++;
        }
#endif
#endif /* LIBXML_OUTPUT_ENABLED */
#ifdef LIBXML_READER_ENABLED
	else if ((!strcmp(argv[i], "-stream")) ||
	         (!strcmp(argv[i], "--stream"))) {
	     stream++;
	}
	else if ((!strcmp(argv[i], "-walker")) ||
	         (!strcmp(argv[i], "--walker"))) {
	     walker++;
             noout++;
        }
#ifdef LIBXML_PATTERN_ENABLED
        else if ((!strcmp(argv[i], "-pattern")) ||
                   (!strcmp(argv[i], "--pattern"))) {
	    i++;
	    pattern = argv[i];
	}
#endif
#endif /* LIBXML_READER_ENABLED */
#ifdef LIBXML_SAX1_ENABLED
	else if ((!strcmp(argv[i], "-sax1")) ||
	         (!strcmp(argv[i], "--sax1"))) {
	    options |= XML_PARSE_SAX1;
	}
#endif /* LIBXML_SAX1_ENABLED */
	else if ((!strcmp(argv[i], "-sax")) ||
	         (!strcmp(argv[i], "--sax"))) {
	    sax++;
        }
#ifdef LIBXML_SCHEMAS_ENABLED
	else if ((!strcmp(argv[i], "-relaxng")) ||
	         (!strcmp(argv[i], "--relaxng"))) {
	    i++;
	    relaxng = argv[i];
	    options |= XML_PARSE_NOENT;
	} else if ((!strcmp(argv[i], "-schema")) ||
	         (!strcmp(argv[i], "--schema"))) {
	    i++;
	    schema = argv[i];
	    options |= XML_PARSE_NOENT;
        }
#endif
#ifdef LIBXML_SCHEMATRON_ENABLED
	else if ((!strcmp(argv[i], "-schematron")) ||
	         (!strcmp(argv[i], "--schematron"))) {
	    i++;
	    schematron = argv[i];
	    options |= XML_PARSE_NOENT;
        }
#endif
        else if ((!strcmp(argv[i], "-nonet")) ||
                   (!strcmp(argv[i], "--nonet"))) {
	    options |= XML_PARSE_NONET;
        } else if ((!strcmp(argv[i], "-nocompact")) ||
                   (!strcmp(argv[i], "--nocompact"))) {
	    options &= ~XML_PARSE_COMPACT;
	} else if ((!strcmp(argv[i], "-load-trace")) ||
	           (!strcmp(argv[i], "--load-trace"))) {
	    load_trace++;
        } else if ((!strcmp(argv[i], "-path")) ||
                   (!strcmp(argv[i], "--path"))) {
	    i++;
	    parsePath(BAD_CAST argv[i]);
        }
#ifdef LIBXML_XPATH_ENABLED
        else if ((!strcmp(argv[i], "-xpath")) ||
                   (!strcmp(argv[i], "--xpath"))) {
	    i++;
	    noout++;
	    xpathquery = argv[i];
        }
#endif
	else if ((!strcmp(argv[i], "-oldxml10")) ||
	           (!strcmp(argv[i], "--oldxml10"))) {
	    options |= XML_PARSE_OLD10;
	} else if ((!strcmp(argv[i], "-max-ampl")) ||
	           (!strcmp(argv[i], "--max-ampl"))) {
            i++;
            if (i >= argc) {
                fprintf(ERR_STREAM, "max-ampl: missing integer value\n");
                return(XMLLINT_ERR_UNCLASS);
            }
            maxAmpl = parseInteger("max-ampl", argv[i], 1, UINT_MAX);
	} else {
	    fprintf(ERR_STREAM, "Unknown option %s\n", argv[i]);
	    usage(ERR_STREAM, argv[0]);
	    return(XMLLINT_ERR_UNCLASS);
	}
    }

#ifdef LIBXML_CATALOG_ENABLED
    if (nocatalogs == 0) {
	if (catalogs) {
	    const char *catal;

	    catal = getenv("SGML_CATALOG_FILES");
	    if (catal != NULL) {
		xmlLoadCatalogs(catal);
	    } else {
		fprintf(ERR_STREAM, "Variable $SGML_CATALOG_FILES not set\n");
	    }
	}
    }
#endif

#ifdef LIBXML_OUTPUT_ENABLED
    {
        const char *indent = getenv("XMLLINT_INDENT");
        if (indent != NULL) {
            xmlTreeIndentString = indent;
        }
    }
#endif

    if ((htmlout) && (!nowrap)) {
	fprintf(ERR_STREAM,
         "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\"\n");
	fprintf(ERR_STREAM,
		"\t\"http://www.w3.org/TR/REC-html40/loose.dtd\">\n");
	fprintf(ERR_STREAM,
	 "<html><head><title>%s output</title></head>\n",
		argv[0]);
	fprintf(ERR_STREAM,
	 "<body bgcolor=\"#ffffff\"><h1 align=\"center\">%s output</h1>\n",
		argv[0]);
    }

#ifdef LIBXML_SCHEMATRON_ENABLED
    if ((schematron != NULL) && (sax == 0)
#ifdef LIBXML_READER_ENABLED
        && (stream == 0)
#endif /* LIBXML_READER_ENABLED */
	) {
	xmlSchematronParserCtxtPtr ctxt;

        /* forces loading the DTDs */
	options |= XML_PARSE_DTDLOAD;
	if (timing) {
	    startTimer();
	}
	ctxt = xmlSchematronNewParserCtxt(schematron);
        if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
            goto error;
        }
	wxschematron = xmlSchematronParse(ctxt);
	if (wxschematron == NULL) {
	    fprintf(ERR_STREAM,
		    "Schematron schema %s failed to compile\n", schematron);
            progresult = XMLLINT_ERR_SCHEMACOMP;
	    schematron = NULL;
	}
	xmlSchematronFreeParserCtxt(ctxt);
	if (timing) {
	    endTimer("Compiling the schemas");
	}
    }
#endif
#ifdef LIBXML_SCHEMAS_ENABLED
    if ((relaxng != NULL) && (sax == 0)
#ifdef LIBXML_READER_ENABLED
        && (stream == 0)
#endif /* LIBXML_READER_ENABLED */
	) {
	xmlRelaxNGParserCtxtPtr ctxt;

        /* forces loading the DTDs */
	options |= XML_PARSE_DTDLOAD;
	if (timing) {
	    startTimer();
	}
	ctxt = xmlRelaxNGNewParserCtxt(relaxng);
        if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
            goto error;
        }
        xmlRelaxNGSetResourceLoader(ctxt, xmllintResourceLoader, NULL);
	relaxngschemas = xmlRelaxNGParse(ctxt);
	if (relaxngschemas == NULL) {
	    fprintf(ERR_STREAM,
		    "Relax-NG schema %s failed to compile\n", relaxng);
            progresult = XMLLINT_ERR_SCHEMACOMP;
	    relaxng = NULL;
	}
	xmlRelaxNGFreeParserCtxt(ctxt);
	if (timing) {
	    endTimer("Compiling the schemas");
	}
    } else if ((schema != NULL)
#ifdef LIBXML_READER_ENABLED
		&& (stream == 0)
#endif
	) {
	xmlSchemaParserCtxtPtr ctxt;

	if (timing) {
	    startTimer();
	}
	ctxt = xmlSchemaNewParserCtxt(schema);
        if (ctxt == NULL) {
            progresult = XMLLINT_ERR_MEM;
            goto error;
        }
        xmlSchemaSetResourceLoader(ctxt, xmllintResourceLoader, NULL);
	wxschemas = xmlSchemaParse(ctxt);
	if (wxschemas == NULL) {
	    fprintf(ERR_STREAM,
		    "WXS schema %s failed to compile\n", schema);
            progresult = XMLLINT_ERR_SCHEMACOMP;
	    schema = NULL;
	}
	xmlSchemaFreeParserCtxt(ctxt);
	if (timing) {
	    endTimer("Compiling the schemas");
	}
    }
#endif /* LIBXML_SCHEMAS_ENABLED */
#if defined(LIBXML_READER_ENABLED) && defined(LIBXML_PATTERN_ENABLED)
    if ((pattern != NULL) && (walker == 0)) {
        patternc = xmlPatterncompile((const xmlChar *) pattern, NULL, 0, NULL);
	if (patternc == NULL) {
	    fprintf(ERR_STREAM,
		    "Pattern %s failed to compile\n", pattern);
            progresult = XMLLINT_ERR_SCHEMAPAT;
	    pattern = NULL;
	}
    }
#endif /* LIBXML_READER_ENABLED && LIBXML_PATTERN_ENABLED */

    for (i = 1; i < argc ; i++) {
        const char *filename = argv[i];
#if HAVE_DECL_MMAP
        int memoryFd = -1;
#endif

	if ((filename[0] == '-') && (strcmp(filename, "-") != 0)) {
            i += skipArgs(filename);
            continue;
        }

#if HAVE_DECL_MMAP
        if (memory) {
            struct stat info;
            if (stat(filename, &info) < 0) {
                progresult = XMLLINT_ERR_RDFILE;
                break;
            }
            memoryFd = open(filename, O_RDONLY);
            if (memoryFd < 0) {
                progresult = XMLLINT_ERR_RDFILE;
                break;
            }
            memoryData = mmap(NULL, info.st_size + 1, PROT_READ, MAP_SHARED,
                              memoryFd, 0);
            if (memoryData == (void *) MAP_FAILED) {
                close(memoryFd);
                fprintf(ERR_STREAM, "mmap failure for file %s\n", filename);
                progresult = XMLLINT_ERR_RDFILE;
                break;
            }
            memorySize = info.st_size;
        }
#endif /* HAVE_DECL_MMAP */

	if ((timing) && (repeat))
	    startTimer();
        if (repeat) {
            xmlParserCtxtPtr ctxt;

            ctxt = xmlNewParserCtxt();
            if (ctxt == NULL) {
                progresult = XMLLINT_ERR_MEM;
                goto error;
            }

            for (acount = 0;acount < repeat;acount++) {
#ifdef LIBXML_READER_ENABLED
                if (stream != 0) {
                    streamFile(filename);
                } else {
#endif /* LIBXML_READER_ENABLED */
                    if (sax) {
                        testSAX(filename);
                    } else {
                        parseAndPrintFile(filename, ctxt);
                    }
#ifdef LIBXML_READER_ENABLED
                }
#endif /* LIBXML_READER_ENABLED */
            }

            xmlFreeParserCtxt(ctxt);
        } else {
#ifdef LIBXML_READER_ENABLED
            if (stream != 0)
                streamFile(filename);
            else
#endif /* LIBXML_READER_ENABLED */
            if (sax) {
                testSAX(filename);
            } else {
                parseAndPrintFile(filename, NULL);
            }
        }
        files ++;
        if ((timing) && (repeat)) {
            endTimer("%d iterations", repeat);
        }

#if HAVE_DECL_MMAP
        if (memory) {
            munmap(memoryData, memorySize);
            close(memoryFd);
        }
#endif
    }
    if (generate)
	parseAndPrintFile(NULL, NULL);
    if ((htmlout) && (!nowrap)) {
	fprintf(ERR_STREAM, "</body></html>\n");
    }
    if ((files == 0) && (!generate) && (version == 0)) {
	usage(ERR_STREAM, argv[0]);
        progresult = XMLLINT_ERR_UNCLASS;
    }
#ifdef LIBXML_SCHEMATRON_ENABLED
    if (wxschematron != NULL)
	xmlSchematronFree(wxschematron);
#endif
#ifdef LIBXML_SCHEMAS_ENABLED
    if (relaxngschemas != NULL)
	xmlRelaxNGFree(relaxngschemas);
    if (wxschemas != NULL)
	xmlSchemaFree(wxschemas);
#endif
#if defined(LIBXML_READER_ENABLED) && defined(LIBXML_PATTERN_ENABLED)
    if (patternc != NULL)
        xmlFreePattern(patternc);
#endif

    /* Avoid unused label warning if features are disabled. */
    goto error;

error:
    xmlCleanupParser();

    return(progresult);
}

#ifndef XMLLINT_FUZZ
int
main(int argc, char **argv) {
    return(xmllintMain(argc, (const char **) argv, NULL));
}
#endif