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author | Ulrich Drepper <drepper@redhat.com> | 2005-12-14 15:06:39 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2005-12-14 15:06:39 +0000 |
commit | 9d13fb2413921c713f83efe331e8e4d219c62c6b (patch) | |
tree | 2d44d7ac45ab2d147eb8361bbff880c365aa8ad5 /string/strtok.c | |
parent | b6ab06cef4670e02756bcdd4d2c33a49369a4346 (diff) | |
download | glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.zip glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.tar.gz glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.tar.bz2 |
Moved to csu/errno-loc.c.
Diffstat (limited to 'string/strtok.c')
-rw-r--r-- | string/strtok.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/string/strtok.c b/string/strtok.c new file mode 100644 index 0000000..f45b760 --- /dev/null +++ b/string/strtok.c @@ -0,0 +1,66 @@ +/* Copyright (C) 1991,1996,1997,1999,2000,2001 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <string.h> + + +static char *olds; + +#undef strtok + +/* 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 (s, delim) + char *s; + const char *delim; +{ + char *token; + + if (s == NULL) + s = olds; + + /* Scan leading delimiters. */ + s += strspn (s, delim); + if (*s == '\0') + { + olds = s; + return NULL; + } + + /* Find the end of the token. */ + token = s; + s = strpbrk (token, delim); + if (s == NULL) + /* This token finishes the string. */ + olds = __rawmemchr (token, '\0'); + else + { + /* Terminate the token and make OLDS point past it. */ + *s = '\0'; + olds = s + 1; + } + return token; +} |