diff options
Diffstat (limited to 'lib/libc/src/strstr.c')
| -rw-r--r-- | lib/libc/src/strstr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libc/src/strstr.c b/lib/libc/src/strstr.c index 3f38a34f..fe658c1b 100644 --- a/lib/libc/src/strstr.c +++ b/lib/libc/src/strstr.c @@ -57,13 +57,15 @@ PL_strrstr(const char *big, const char *little) { const char *p; PRUint32 ll; + PRUint32 bl; if( ((const char *)0 == big) || ((const char *)0 == little) ) return (char *)0; if( ((char)0 == *big) || ((char)0 == *little) ) return (char *)0; ll = PL_strlen(little); - p = &big[ PL_strlen(big) - ll ]; - if( p < big ) return (char *)0; + bl = PL_strlen(big); + if( bl < ll ) return (char *)0; + p = &big[ bl - ll ]; for( ; p >= big; p-- ) if( *little == *p ) |