* [PATCH] lib/strutils: make left and right trims more robust
@ 2016-09-04 10:15 Sami Kerola
2016-09-29 9:56 ` Karel Zak
0 siblings, 1 reply; 2+ messages in thread
From: Sami Kerola @ 2016-09-04 10:15 UTC (permalink / raw)
To: util-linux; +Cc: Sami Kerola
Do not follow null pointer, and stop going any further when
ltrim_whitespace() is at the end of a string.
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---
include/strutils.h | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/include/strutils.h b/include/strutils.h
index 52c28b7..51d9c9f 100644
--- a/include/strutils.h
+++ b/include/strutils.h
@@ -178,8 +178,11 @@ static inline const char *skip_blank(const char *p)
*/
static inline size_t rtrim_whitespace(unsigned char *str)
{
- size_t i = strlen((char *) str);
+ size_t i;
+ if (!str)
+ return 0;
+ i = strlen((char *) str);
while (i) {
i--;
if (!isspace(str[i])) {
@@ -200,7 +203,9 @@ static inline size_t ltrim_whitespace(unsigned char *str)
size_t len;
unsigned char *p;
- for (p = str; p && isspace(*p); p++);
+ if (!str)
+ return 0;
+ for (p = str; *p && isspace(*p); p++);
len = strlen((char *) p);
--
2.9.3
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] lib/strutils: make left and right trims more robust
2016-09-04 10:15 [PATCH] lib/strutils: make left and right trims more robust Sami Kerola
@ 2016-09-29 9:56 ` Karel Zak
0 siblings, 0 replies; 2+ messages in thread
From: Karel Zak @ 2016-09-29 9:56 UTC (permalink / raw)
To: Sami Kerola; +Cc: util-linux
On Sun, Sep 04, 2016 at 11:15:34AM +0100, Sami Kerola wrote:
> include/strutils.h | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
Applied, thanks.
--
Karel Zak <kzak@redhat.com>
http://karelzak.blogspot.com
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2016-09-29 9:56 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-09-04 10:15 [PATCH] lib/strutils: make left and right trims more robust Sami Kerola
2016-09-29 9:56 ` Karel Zak
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.