prevent buffer underrun reads, ok bsiegert@
This commit is contained in:
parent
2094e3f25c
commit
ccc6f6de86
4
eval.c
4
eval.c
@ -22,7 +22,7 @@
|
|||||||
|
|
||||||
#include "sh.h"
|
#include "sh.h"
|
||||||
|
|
||||||
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.73 2009/11/21 23:23:17 tg Exp $");
|
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.74 2009/11/22 13:49:04 tg Exp $");
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* string expansion
|
* string expansion
|
||||||
@ -1173,7 +1173,7 @@ trimsub(char *str, char *pat, int how)
|
|||||||
goto trimsub_match;
|
goto trimsub_match;
|
||||||
if (UTFMODE) {
|
if (UTFMODE) {
|
||||||
char *op = p;
|
char *op = p;
|
||||||
while ((*--p & 0xC0) == 0x80)
|
while ((p-- > str) && ((*p & 0xC0) == 0x80))
|
||||||
;
|
;
|
||||||
if ((p < str) || (p + utf_ptradj(p) != op))
|
if ((p < str) || (p + utf_ptradj(p) != op))
|
||||||
p = op - 1;
|
p = op - 1;
|
||||||
|
Loading…
Reference in New Issue
Block a user