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Provide replacement function for strchrnul.

The strchrnul function is a GNU extension and as such is not
available everywhere.
master
Damien Goutte-Gattat 3 years ago
parent
commit
69b897a3b6
  1. 28
      lib/strchrnul.c
  2. 2
      m4/notch.m4

28
lib/strchrnul.c

@ -0,0 +1,28 @@
/*
* strchrnul - Incenp.org Notch Library: strchrnul replacement
* Copyright (C) 2011 Damien Goutte-Gattat
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
char *
strchrnul(const char *s, int c)
{
char *p = (char *)s;
while ( *p != c && *p != '\0' )
p += 1;
return p;
}

2
m4/notch.m4

@ -4,7 +4,7 @@ dnl everywhere, and for which we provide a replacement.
dnl
AC_DEFUN([ICP_CHECK_NOTCH_FUNCS],[
AC_CHECK_HEADERS([err.h], [], [AC_CONFIG_LINKS([err.h:lib/err.compat.h])])
AC_REPLACE_FUNCS([err])
AC_REPLACE_FUNCS([err strchrnul])
AC_CHECK_DECLS([program_invocation_short_name], [],
[AC_CHECK_FUNCS([getprogname setprogname], [],
[AC_LIBOBJ([progname])])],

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