mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 01:40:07 +00:00
7551a1e510
1998-03-18 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/memory.texi (Heap Consistency Checking): Document MALLOC_CHECK_. Based on a text by Wolfram Gloger. 1998-03-18 17:11 Zack Weinberg <zack@rabi.phys.columbia.edu> * manual/Makefile: Add missing rules. 1998-03-18 Ulrich Drepper <drepper@cygnus.com> * timezone/Makefile (generated): Define to remove all stamp files. * sysdeps/generic/strsep.c: Also undefine __strsep. * string/strdup.c: Undefine __strdup and strdup first. * string/strndup.c: Likewise. * string/bits/string2.h: Correct strtok_r and strsep. Add strndup optimization. * sysdeps/generic/strsep.c: Little optimization.
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/* Copyright (C) 1992, 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <string.h>
|
|
|
|
#undef __strsep
|
|
#undef strsep
|
|
|
|
char *
|
|
__strsep (char **stringp, const char *delim)
|
|
{
|
|
char *begin, *end;
|
|
|
|
begin = *stringp;
|
|
if (begin == NULL)
|
|
return NULL;
|
|
|
|
/* A frequent case is when the delimiter string contains only one
|
|
character. Here we don't need to call the expensive `strpbrk'
|
|
function and instead work using `strchr'. */
|
|
if (delim[0] == '\0' || delim[1] == '\0')
|
|
{
|
|
char ch = delim[0];
|
|
|
|
if (ch == '\0')
|
|
end = NULL;
|
|
else
|
|
{
|
|
if (*begin == ch)
|
|
end = begin;
|
|
else
|
|
end = strchr (begin + 1, ch);
|
|
}
|
|
}
|
|
else
|
|
/* Find the end of the token. */
|
|
end = strpbrk (begin, delim);
|
|
|
|
if (end)
|
|
{
|
|
/* Terminate the token and set *STRINGP past NUL character. */
|
|
*end++ = '\0';
|
|
*stringp = end;
|
|
}
|
|
else
|
|
/* No more delimiters; this is the last token. */
|
|
*stringp = NULL;
|
|
|
|
return begin;
|
|
}
|
|
weak_alias (__strsep, strsep)
|