xref: /aosp_15_r20/external/cronet/third_party/libxml/src/testModule.c (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1 /*
2  * testModule.c : a small tester program for xmlModule
3  *
4  * See Copyright for the status of this software.
5  *
6  * [email protected]
7  */
8 
9 #include <stdio.h>
10 #include <libxml/xmlversion.h>
11 
12 #ifdef LIBXML_MODULES_ENABLED
13 
14 #include <limits.h>
15 #include <string.h>
16 #include <stdarg.h>
17 
18 #include <libxml/xmlmemory.h>
19 #include <libxml/debugXML.h>
20 #include <libxml/xmlmodule.h>
21 
22 #ifdef _WIN32
23 #define MODULE_PATH "."
24 #include <stdlib.h> /* for _MAX_PATH */
25 #ifndef __MINGW32__
26 #define PATH_MAX _MAX_PATH
27 #endif
28 #else
29 #define MODULE_PATH ".libs"
30 #endif
31 
32 /* Used for SCO Openserver*/
33 #ifndef PATH_MAX
34 #ifdef _POSIX_PATH_MAX
35 #define PATH_MAX _POSIX_PATH_MAX
36 #else
37 #define PATH_MAX 4096
38 #endif
39 #endif
40 
41 typedef int (*hello_world_t)(void);
42 
main(int argc ATTRIBUTE_UNUSED,char ** argv ATTRIBUTE_UNUSED)43 int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
44     xmlChar filename[PATH_MAX];
45     xmlModulePtr module = NULL;
46     hello_world_t hello_world = NULL;
47 
48     /* build the module filename, and confirm the module exists */
49     xmlStrPrintf(filename, sizeof(filename),
50                  "%s/testdso%s",
51                  (const xmlChar*)MODULE_PATH,
52                  (const xmlChar*)LIBXML_MODULE_EXTENSION);
53 
54     module = xmlModuleOpen((const char*)filename, 0);
55     if (module == NULL) {
56       fprintf(stderr, "Failed to open module\n");
57       return(1);
58     }
59 
60     if (xmlModuleSymbol(module, "hello_world", (void **) &hello_world)) {
61       fprintf(stderr, "Failure to lookup\n");
62       return(1);
63     }
64     if (hello_world == NULL) {
65       fprintf(stderr, "Lookup returned NULL\n");
66       return(1);
67     }
68 
69     (*hello_world)();
70 
71     xmlModuleClose(module);
72 
73     return(0);
74 }
75 
76 #else
main(int argc ATTRIBUTE_UNUSED,char ** argv ATTRIBUTE_UNUSED)77 int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
78     printf("%s : Module support not compiled in\n", argv[0]);
79     return(0);
80 }
81 #endif /* LIBXML_SCHEMAS_ENABLED */
82