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mprintf.h (3086B)

      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 */