From 76a2ee78b6840b23c54cf9239027014e06ae3818 Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Tue, 29 May 2007 07:49:14 +0000 Subject: * libc/argz/argz_add_sep.c (argz_add_sep): Handle empty string argument. * libc/argz/argz_append.c (argz_append): Handle empty buf argument. * libc/argz/argz_create_sep.c (argz_create_sep): Return (NULL, 0) on empty input strings. * libc/argz/argz_extract.c (argz_extract): Check argz_len before looping through argz. * libc/argz/argz_stringify.c (argz_stringify): Ditto. --- newlib/libc/argz/argz_create_sep.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'newlib/libc/argz/argz_create_sep.c') diff --git a/newlib/libc/argz/argz_create_sep.c b/newlib/libc/argz/argz_create_sep.c index bf02b492a..cf27c9284 100644 --- a/newlib/libc/argz/argz_create_sep.c +++ b/newlib/libc/argz/argz_create_sep.c @@ -25,13 +25,20 @@ _DEFUN (argz_create_sep, (string, sep, argz, argz_len), char *token = 0; char *iter = 0; + *argz_len = 0; + + if (!string || string[0] == '\0') + { + *argz= NULL; + return 0; + } + delim[0] = sep; delim[1] = '\0'; running = strdup(string); old_running = running; - *argz_len = 0; while ((token = strsep(&running, delim))) { len = strlen(token); -- cgit v1.2.3