lkml.org 
[lkml]   [2021]   [Jun]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] lib: memscan() fixlet
Generic version doesn't trucate second argument to char.

Older brother memchr() does as do s390, sparc and i386 assembly
versions.

Fortunately, no code passes c >= 256.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

lib/string.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/lib/string.c
+++ b/lib/string.c
@@ -977,7 +977,7 @@ void *memscan(void *addr, int c, size_t size)
unsigned char *p = addr;

while (size) {
- if (*p == c)
+ if (*p == (unsigned char)c)
return (void *)p;
p++;
size--;
\
 
 \ /
  Last update: 2021-06-06 00:21    [W:0.034 / U:0.464 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site