nut plugin: fix warning

  CC       src/nut_la-nut.lo
In function ‘nut_ca_path’,
    inlined from ‘nut_config.part.1’ at src/nut.c:181:12,
    inlined from ‘nut_config’:
src/nut.c:148:5: warning: ‘strncpy’ specified bound depends on the length of the source argument [-Wstringop-overflow=]
     strncpy(ca_path, value, (strlen(value) + 1));
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/nut.c: In function ‘nut_config’:
src/nut.c:148:30: note: length computed here
     strncpy(ca_path, value, (strlen(value) + 1));
                              ^~~~~~~~~~~~~
  CCLD     nut.la

diff --git a/src/nut.c b/src/nut.c
index 1d1e94b..997d1a5 100644 (file)
--- a/src/nut.c
+++ b/src/nut.c
@@ -144,8 +144,7 @@ static int nut_verify_peer(const char *value) {
 
 static int nut_ca_path(const char *value) {
   if (value != NULL && strcmp(value, "") != 0) {
-    ca_path = malloc(strlen(value) + 1);
-    strncpy(ca_path, value, (strlen(value) + 1));
+    ca_path = strdup(value);
   } else {
     ca_path = NULL; // Should alread be set to NULL from initialization
   }