httpd: add -u user[:grp] support

git-svn-id: svn://busybox.net/trunk/busybox@16313 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 3 insertions, 2 deletions

diff --git a/libbb/safe_strncpy.c b/libbb/safe_strncpy.c
index add92ac9f..42bc16ea0 100644
--- a/libbb/safe_strncpy.c
+++ b/libbb/safe_strncpy.c
@@ -15,6 +15,7 @@
 /* Like strncpy but make sure the resulting string is always 0 terminated. */
 char * safe_strncpy(char *dst, const char *src, size_t size)
 {
-        dst[size-1] = '\0';
-        return strncpy(dst, src, size-1);
+        if (!size) return dst;
+        dst[--size] = '\0';
+        return strncpy(dst, src, size);
 }