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authorRoland McGrath <roland@gnu.org>1996-01-04 00:06:01 +0000
committerRoland McGrath <roland@gnu.org>1996-01-04 00:06:01 +0000
commit6df1b2474adfc23c9cfff5a4496108bea0c37511 (patch)
tree48bd35ba5b0d766560edde694efec2b791ada613 /sysdeps/generic/strsep.c
parent71733723fb421bd54467d1a27096463ed1dcc2ed (diff)
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Rewritten.cvs/libc-960103
Diffstat (limited to 'sysdeps/generic/strsep.c')
-rw-r--r--sysdeps/generic/strsep.c26
1 files changed, 15 insertions, 11 deletions
diff --git a/sysdeps/generic/strsep.c b/sysdeps/generic/strsep.c
index bb4d68bd6e..b57a22f649 100644
--- a/sysdeps/generic/strsep.c
+++ b/sysdeps/generic/strsep.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1993, 1996 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
@@ -16,24 +16,28 @@ 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 <ansidecl.h>
#include <string.h>
char *
-DEFUN(strsep, (stringp, delim),
- char **stringp AND CONST char *delim)
+strsep (char **stringp, const char *delim)
{
char *begin, *end;
- begin = *stringp + strspn (*stringp, delim);
- end = *stringp + strcspn (*stringp, delim);
-
- if (end == *stringp)
+ begin = *stringp;
+ if (! begin || *begin == '\0')
return NULL;
- if (*end != '\0')
- *end++ = '\0';
- *stringp = end;
+ /* Find the end of the token. */
+ end = strpbrk (begin, delim);
+ if (end)
+ {
+ /* Terminate the token and advance *STRINGP past the delimiters. */
+ *end++ = '\0';
+ *stringp = end + strspn (end, delim);
+ }
+ else
+ /* No more delimiters; this is the last token. */
+ *stringp = NULL;
return begin;
}