X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/5a96ee059968da5fd2ba4fbd6321bb3ee76b3c9d..fca9a9b0f044a9ef93cea27dadc01ecd56d1274c:/access.c

diff --git a/access.c b/access.c
index 046d5e31..ff357480 100644
--- a/access.c
+++ b/access.c
@@ -34,11 +34,11 @@ static int match_hostname(char *host, char *tok)
 static int match_address(char *addr, char *tok)
 {
 	char *p;
-	unsigned long a, t, mask = ~0;
+	unsigned long a, t, mask = (unsigned long)~0;
 
 	if (!addr || !*addr) return 0;
 
-	if (!isdigit(tok[0])) return 0;
+	if (!isdigit(* (unsigned char *) tok)) return 0;
 
 	p = strchr(tok,'/');
 	if (p) *p = 0;
@@ -68,6 +68,7 @@ static int match_address(char *addr, char *tok)
 			mask = ntohl(mask);
 		} else {
 			int bits = atoi(p+1);
+			if (bits == 0) return 1;
 			if (bits <= 0 || bits > 32) {
 				rprintf(FERROR,"malformed mask in %s\n", tok);
 				return 0;