summaryrefslogtreecommitdiff
path: root/libc/string/strtok.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc/string/strtok.c')
-rw-r--r--libc/string/strtok.c61
1 files changed, 3 insertions, 58 deletions
diff --git a/libc/string/strtok.c b/libc/string/strtok.c
index 51bc6038a..9dc19a90b 100644
--- a/libc/string/strtok.c
+++ b/libc/string/strtok.c
@@ -1,63 +1,8 @@
-/* Copyright (C) 1991 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., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
#include <string.h>
+static char *save = 0;
-static char *olds = 0;
-
-/* Parse S into tokens separated by characters in DELIM.
- If S is NULL, the last string strtok() was called with is
- used. For example:
- char s[] = "-abc=-def";
- x = strtok(s, "-"); // x = "abc"
- x = strtok(NULL, "=-"); // x = "def"
- x = strtok(NULL, "="); // x = NULL
- // s = "abc\0-def\0"
-*/
-char *strtok( register char *s, register const char *delim)
+char *strtok(char *s, const char *delim)
{
- char *token;
-
- if (s == 0) {
- if (olds == 0) {
- return 0;
- } else
- s = olds;
- }
-
- /* Scan leading delimiters. */
- s += strspn(s, delim);
- if (*s == '\0') {
- olds = 0;
- return 0;
- }
-
- /* Find the end of the token. */
- token = s;
- s = strpbrk(token, delim);
- if (s == 0)
- /* This token finishes the string. */
- olds = 0;
- else {
- /* Terminate the token and make OLDS point past it. */
- *s = '\0';
- olds = s + 1;
- }
- return token;
+ return __strtok_r(s, delim, &save);
}