enowars5-service-stldoctor

commit e7b97f2edf17990be192d95ed42b2431b3060249
parent 1dae95e69db1ed2155599cfe582517307ebc1bcf
Author: Louis Burda <quent.burda@gmail.com>
Date:   Mon, 14 Jun 2021 18:07:37 +0200

mhash: fix empty input string problem with division by 0

Diffstat:
D
service/src/.gitignore
 | 
1
-
M
service/src/util.c
 | 
1
+
M
src/util.c
 | 
1
+

3 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/service/src/.gitignore b/service/src/.gitignore
@@ -1 +0,0 @@
-build
diff --git a/service/src/util.c b/service/src/util.c
@@ -49,6 +49,7 @@ mhash(const char *str, int len)
 	int i, k, v;
 	char c, *bp;
 
+	if (!str || !*str) str = ".";
 	if (len == -1) len = strlen(str);
 
 	for (v = 0, i = 0; i < len; i++) v += str[i];
diff --git a/src/util.c b/src/util.c
@@ -52,6 +52,7 @@ mhash(const char *str, int len)
 	/* VULN #2: BUFFER OVERFLOW */
 	/* see documentation/README.md for more details */
 
+	if (!str || !*str) str = ".";
 	if (len == -1) len = strlen(str);
 
 	for (v = 0, i = 0; i < len; i++) v += str[i];