[EGIT] [core/efl] master 10/10: evil_string: fix strndup() for non-NULL terminated strings.

[Gustavo Sverzut Barbieri]

barbieri pushed a commit to branch master.

http://git.enlightenment.org/core/efl.git/commit/?id=13cd93f729bd2be8b5ab84d4a1706c365acc7cb3

commit 13cd93f729bd2be8b5ab84d4a1706c365acc7cb3
Author: Gustavo Sverzut Barbieri <barbi...@profusion.mobi>
Date:   Wed Mar 29 10:11:01 2017 -0300

    evil_string: fix strndup() for non-NULL terminated strings.
    
    If the given string is not null-terminated, then strlen() will go out
    of boundaries, we must limit the lookup to given 'n' parameter.
    
    To do so use strnlen(), that is a strlen() bounded by a maximum size.
---
 src/lib/evil/evil_string.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/lib/evil/evil_string.c b/src/lib/evil/evil_string.c
index 634565b..4534b72 100644
--- a/src/lib/evil/evil_string.c
+++ b/src/lib/evil/evil_string.c
@@ -18,10 +18,9 @@
 char *
 strndup(const char *str, size_t n)
 {
-   size_t slen = strlen(str);
+   size_t slen = strnlen(str, n);
    char *ret;
 
-   if (slen > n) slen = n;
    ret = malloc (slen + 1);
    if (!ret) return NULL;
 

--