xref: /aosp_15_r20/external/coreboot/payloads/libpayload/include/stdio.h (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /*
2  *
3  * Copyright (C) 2008 Advanced Micro Devices, Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _STDIO_H
30 #define _STDIO_H
31 
32 #include <stddef.h>
33 
34 #define EOF (-1)
35 
36 typedef struct _FILE FILE;
37 
38 extern FILE *stdout, *stdin, *stderr;
39 
40 /**
41  * @defgroup printf Print functions
42  * @{
43  */
44 int snprintf(char *str, size_t size, const char *fmt, ...)
45 	__attribute__((format (printf, 3, 4)));
46 int sprintf(char *str, const char *fmt, ...)
47 	__attribute__((format (printf, 2, 3)));
48 int printf(const char *fmt, ...)
49 	__attribute__((format (printf, 1, 2)));
50 int fprintf(FILE *file, const char *fmt, ...)
51 	__attribute__((format (printf, 2, 3)));
52 /** @} */
53 
54 void perror(const char *s);
55 
56 #define SEEK_SET 0 /**< The seek offset is absolute. */
57 #define SEEK_CUR 1 /**< The seek offset is against the current position. */
58 #define SEEK_END 2 /**< The seek offset is against the end of the file. */
59 
60 #endif
61