tests/test-printf-posix.c

   1 /* Test of POSIX compatible printf() function.
   2    Copyright (C) 2007-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
  18
  19 #include <config.h>
  20
  21 #include <stdio.h>
  22
  23 #include "signature.h"
  24 SIGNATURE_CHECK (printf, int, (char const *, ...));
  25
  26 #include <stddef.h>
  27 #include <stdint.h>
  28 #include <string.h>
  29
  30 #include "macros.h"
  31
  32 #include "test-printf-posix.h"
  33
  34 int
  35 main (int argc, char *argv[])
  36 {
  37   test_function (printf);
  38   return test_exit_status;
  39 }
  40
  41 /* Test whether __attribute__ (__format__ (...)) still works.  */
  42 #if (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || defined __clang__) && !defined __STRICT_ANSI__
  43 extern int func1 (char *, size_t, const char *, ...)
  44      __attribute__ ((__format__ (__printf__, 3, 4)));
  45 extern int func2 (char *, size_t, const char *, ...)
  46      __attribute__ ((__format__ (printf, 3, 4)));
  47 extern int func3 (char *, size_t, const char *, ...)
  48      __attribute__ ((format (__printf__, 3, 4)));
  49 extern int func4 (char *, size_t, const char *, ...)
  50      __attribute__ ((format (printf, 3, 4)));
  51 #endif