lib/inttostr.h

   1 /* inttostr.h -- convert integers to printable strings
   2
   3    Copyright (C) 2001-2006, 2009-2019 Free Software Foundation, Inc.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 /* Written by Paul Eggert */
  19
  20 #include <stdint.h>
  21 #include <sys/types.h>
  22
  23 #include "intprops.h"
  24
  25 #ifndef __GNUC_PREREQ
  26 # if defined __GNUC__ && defined __GNUC_MINOR__
  27 #  define __GNUC_PREREQ(maj, min) \
  28          ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
  29 # else
  30 #  define __GNUC_PREREQ(maj, min) 0
  31 # endif
  32 #endif
  33
  34 #if __GNUC_PREREQ (3,4)
  35 # undef __attribute_warn_unused_result__
  36 # define __attribute_warn_unused_result__ \
  37    __attribute__ ((__warn_unused_result__))
  38 #else
  39 # define __attribute_warn_unused_result__ /* empty */
  40 #endif
  41
  42 char *imaxtostr (intmax_t, char *) __attribute_warn_unused_result__;
  43 char *inttostr (int, char *) __attribute_warn_unused_result__;
  44 char *offtostr (off_t, char *) __attribute_warn_unused_result__;
  45 char *uinttostr (unsigned int, char *) __attribute_warn_unused_result__;
  46 char *umaxtostr (uintmax_t, char *) __attribute_warn_unused_result__;