aboutsummaryrefslogtreecommitdiff
path: root/wcsmbs/wcstok.c
diff options
context:
space:
mode:
Diffstat (limited to 'wcsmbs/wcstok.c')
-rw-r--r--wcsmbs/wcstok.c43
1 files changed, 17 insertions, 26 deletions
diff --git a/wcsmbs/wcstok.c b/wcsmbs/wcstok.c
index 191bbd5960..376fe7bfcb 100644
--- a/wcsmbs/wcstok.c
+++ b/wcsmbs/wcstok.c
@@ -1,5 +1,6 @@
-/* Copyright (C) 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
+Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
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
@@ -16,52 +17,42 @@ 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 <wcstr.h>
+#include <wchar.h>
#include <errno.h>
-static wchar_t *olds = NULL;
-
-/* Parse WCS into tokens separated by characters in DELIM.
- If WCS is NULL, the last string wcstok() was called with is
- used. */
+/* Parse WCS into tokens separated by characters in DELIM. If WCS is
+ NULL, the last string wcstok() was called with is used. */
wchar_t *
-wcstok (wcs, delim)
- register wchar_t *wcs;
- register const wchar_t *delim;
+wcstok (wcs, delim, ptr)
+ register wchar_t *wcs;
+ register const wchar_t *delim;
+ register wchar_t **ptr;
{
- wchar_t *token;
+ wchar_t *result;
if (wcs == NULL)
- {
- if (olds == NULL)
- {
- errno = EINVAL;
- return NULL;
- }
- else
- wcs = olds;
- }
+ wcs = *ptr;
/* Scan leading delimiters. */
wcs += wcsspn (wcs, delim);
if (*wcs == L'\0')
{
- olds = NULL;
+ *ptr = NULL;
return NULL;
}
/* Find the end of the token. */
- token = wcs;
- wcs = wcspbrk (token, delim);
+ result = wcs;
+ wcs = wcspbrk (result, delim);
if (wcs == NULL)
/* This token finishes the string. */
- olds = NULL;
+ *ptr = NULL;
else
{
/* Terminate the token and make OLDS point past it. */
*wcs = L'\0';
- olds = wcs + 1;
+ *ptr = wcs + 1;
}
- return token;
+ return result;
}