diff options
Diffstat (limited to 'wcsmbs/wcstok.c')
| -rw-r--r-- | wcsmbs/wcstok.c | 43 |
1 files changed, 17 insertions, 26 deletions
diff --git a/wcsmbs/wcstok.c b/wcsmbs/wcstok.c index 191bbd5..376fe7b 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; } |