Mercurial > gnulib
view lib/strsep.c @ 17364:7524d97ae56f
stdalign: port to stricter ISO C11
ISO C11 says that _Alignof's operand must be a parenthesized type.
Problem reported by Eli Zaretskii in
<http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00960.html>.
* doc/posix-headers/stdalign.texi (stdalign.h): Document this.
* m4/stdalign.m4 (gl_STDALIGN_H): Don't use _Alignof (expr).
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Fri, 29 Mar 2013 19:47:13 -0700 |
parents | e542fd46ad6f |
children | 344018b6e5d7 |
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/* Copyright (C) 2004, 2007, 2009-2013 Free Software Foundation, Inc. Written by Yoann Vandoorselaere <yoann@prelude-ids.org>. 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 2, 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/>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif /* Specification. */ #include <string.h> char * strsep (char **stringp, const char *delim) { char *start = *stringp; char *ptr; if (start == NULL) return NULL; /* Optimize the case of no delimiters. */ if (delim[0] == '\0') { *stringp = NULL; return start; } /* Optimize the case of one delimiter. */ if (delim[1] == '\0') ptr = strchr (start, delim[0]); else /* The general case. */ ptr = strpbrk (start, delim); if (ptr == NULL) { *stringp = NULL; return start; } *ptr = '\0'; *stringp = ptr + 1; return start; }