Add a safety check to bvcasechr

diff --git a/servers/slapd/schema_init.c b/servers/slapd/schema_init.c
index ebc41fa68f81f0b92e70456876cf8bda13691626..a6aa3ceca81cd0d01ce6b4786894c916f325e49a 100644 (file)
--- a/servers/slapd/schema_init.c
+++ b/servers/slapd/schema_init.c
@@ -86,6 +86,8 @@ static char *bvcasechr( struct berval *bv, int c, ber_len_t *len )
        ber_len_t i;
        int lower = TOLOWER( c );
        int upper = TOUPPER( c );
+
+       if( c == 0 ) return NULL;
        
        for( i=0; i < bv->bv_len; i++ ) {
                if( upper == bv->bv_val[i] || lower == bv->bv_val[i] ) {