glibc/sysdeps/generic/strtok_r.c
Ulrich Drepper d436a9f710 Update.
2001-02-23  Andreas Jaeger  <aj@suse.de>

	* string/tester.c (test_strtok_r): Add testcase.
	(test_strtok_r): Always initialize cp for proper checking.

	* sysdeps/generic/strtok.c (strtok): Handle case of first strtok
	returning NULL correctly.
	Patch by Fumitoshi UKAI <ukai@debian.or.jp>.
	* sysdeps/generic/strtok_r.c (__strtok_r): Likewise.

2001-02-23  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/aix/bits/types.h: Define __need_NULL before
	including <stddef.h>.
	* sysdeps/unix/sysv/aix/write.c: Define alias __libc_write.
	* include/libc-symbols.h (weak_alias): Don't use .weak if
	HAVE_ASM_GLOBAL_DOT_NAME is defined.
	Patches by Michael Keezer <mkeezer@redhat.com>.

	* sysdeps/generic/ftime.c: Don't include <sys/time.h> at all.
	Patch by Michael Keezer <mkeezer@redhat.com>.

	* sysdeps/unix/sysv/aix/Dist: Remove restf.S and savef.S.
	* sysdeps/unix/sysv/aix/Makefile [$(subdir) == misc]
	(sysdep_routines): Remove restf.S and savef.S.
	* sysdeps/unix/sysv/aix/restf.S. Removed.
	* sysdeps/unix/sysv/aix/savef.S. Removed.
	* sysdeps/powerpc/fprrest.S: Use C_TEXT to define label.  Also define
	alternative names used on some platforms.
	* sysdeps/powerpc/fprsave.S: Likewise.
	* sysdeps/powerpc/gprrest0.S: Likewise.
	* sysdeps/powerpc/gprrest1.S: Likewise.
	* sysdeps/powerpc/gprsave0.S: Likewise.
	* sysdeps/powerpc/gprsave1.S: Likewise.
	Patch by Michael Keezer <mkeezer@redhat.com>.
2001-02-23 20:29:25 +00:00

69 lines
2.0 KiB
C

/* Reentrant string tokenizer. Generic version.
Copyright (C) 1991, 1996, 1997, 1998, 1999, 2001 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 strtok_r
#undef __strtok_r
/* Parse S into tokens separated by characters in DELIM.
If S is NULL, the saved pointer in SAVE_PTR is used as
the next starting point. For example:
char s[] = "-abc-=-def";
char *sp;
x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def"
x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL
x = strtok_r(NULL, "=", &sp); // x = NULL
// s = "abc\0-def\0"
*/
char *
__strtok_r (s, delim, save_ptr)
char *s;
const char *delim;
char **save_ptr;
{
char *token;
if (s == NULL)
s = *save_ptr;
/* Scan leading delimiters. */
s += strspn (s, delim);
if (*s == '\0')
{
*save_ptr = s;
return NULL;
}
/* Find the end of the token. */
token = s;
s = strpbrk (token, delim);
if (s == NULL)
/* This token finishes the string. */
*save_ptr = __rawmemchr (token, '\0');
else
{
/* Terminate the token and make *SAVE_PTR point past it. */
*s = '\0';
*save_ptr = s + 1;
}
return token;
}
weak_alias (__strtok_r, strtok_r)