check length

This commit is contained in:
c9s 2014-05-21 20:30:35 +08:00
parent ceb615335b
commit 33eea25926

View file

@ -41,15 +41,15 @@ char * inside_slug(char * needle, int needle_len, char *offset) {
char * s1 = offset; char * s1 = offset;
char * s2 = offset; char * s2 = offset;
while( s1 >= needle ) { while( s1 >= needle && (s1 - needle < needle_len) ) {
if ( *s1 == '{' ) { if ( *s1 == '{' ) {
break; break;
} }
s1--; s1--;
} }
char *end = needle+ needle_len; char * end = needle + needle_len;
while( s2 < end ) { while( (s2 + 1) < end ) {
if ( *s2 == '}' ) { if ( *s2 == '}' ) {
break; break;
} }