xref: /curl/include/curl/mprintf.h (revision e512fbfa)
1 #ifndef CURLINC_MPRINTF_H
2 #define CURLINC_MPRINTF_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
11  *
12  * This software is licensed as described in the file COPYING, which
13  * you should have received as part of this distribution. The terms
14  * are also available at https://curl.se/docs/copyright.html.
15  *
16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17  * copies of the Software, and permit persons to whom the Software is
18  * furnished to do so, under the terms of the COPYING file.
19  *
20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21  * KIND, either express or implied.
22  *
23  * SPDX-License-Identifier: curl
24  *
25  ***************************************************************************/
26 
27 #include <stdarg.h>
28 #include <stdio.h> /* needed for FILE */
29 #include "curl.h"  /* for CURL_EXTERN */
30 
31 #ifdef  __cplusplus
32 extern "C" {
33 #endif
34 
35 #ifndef CURL_TEMP_PRINTF
36 #if (defined(__GNUC__) || defined(__clang__) ||                         \
37   defined(__IAR_SYSTEMS_ICC__)) &&                                      \
38   defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) &&         \
39   !defined(CURL_NO_FMT_CHECKS)
40 #if defined(__MINGW32__) && !defined(__clang__)
41 #if defined(__MINGW_PRINTF_FORMAT)  /* mingw-w64 3.0.0+. Needs stdio.h. */
42 #define CURL_TEMP_PRINTF(fmt, arg) \
43   __attribute__((format(__MINGW_PRINTF_FORMAT, fmt, arg)))
44 #else
45 #define CURL_TEMP_PRINTF(fmt, arg)
46 #endif
47 #else
48 #define CURL_TEMP_PRINTF(fmt, arg) \
49   __attribute__((format(printf, fmt, arg)))
50 #endif
51 #else
52 #define CURL_TEMP_PRINTF(fmt, arg)
53 #endif
54 #endif
55 
56 CURL_EXTERN int curl_mprintf(const char *format, ...)
57   CURL_TEMP_PRINTF(1, 2);
58 CURL_EXTERN int curl_mfprintf(FILE *fd, const char *format, ...)
59   CURL_TEMP_PRINTF(2, 3);
60 CURL_EXTERN int curl_msprintf(char *buffer, const char *format, ...)
61   CURL_TEMP_PRINTF(2, 3);
62 CURL_EXTERN int curl_msnprintf(char *buffer, size_t maxlength,
63                                const char *format, ...)
64   CURL_TEMP_PRINTF(3, 4);
65 CURL_EXTERN int curl_mvprintf(const char *format, va_list args)
66   CURL_TEMP_PRINTF(1, 0);
67 CURL_EXTERN int curl_mvfprintf(FILE *fd, const char *format, va_list args)
68   CURL_TEMP_PRINTF(2, 0);
69 CURL_EXTERN int curl_mvsprintf(char *buffer, const char *format, va_list args)
70   CURL_TEMP_PRINTF(2, 0);
71 CURL_EXTERN int curl_mvsnprintf(char *buffer, size_t maxlength,
72                                 const char *format, va_list args)
73   CURL_TEMP_PRINTF(3, 0);
74 CURL_EXTERN char *curl_maprintf(const char *format, ...)
75   CURL_TEMP_PRINTF(1, 2);
76 CURL_EXTERN char *curl_mvaprintf(const char *format, va_list args)
77   CURL_TEMP_PRINTF(1, 0);
78 
79 #undef CURL_TEMP_PRINTF
80 
81 #ifdef  __cplusplus
82 } /* end of extern "C" */
83 #endif
84 
85 #endif /* CURLINC_MPRINTF_H */
86