utils-std

commit: 7ecc44801826f8a3c80b093851ace4357e266a45
parent 51b51a7d99fb19b31719d4ab7f19e34bf514211f
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 13 Sep 2024 23:18:51 +0200

cmd/id: use calloc for arrays

Diffstat:
M
cmd/id.c
7
++++---

1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/cmd/id.c b/cmd/id.c
@@ -7,7 +7,7 @@
 #include <pwd.h>        // getpwuid
 #include <stdbool.h>    // bool
 #include <stdio.h>      // printf, perror
-#include <stdlib.h>     // malloc, free
+#include <stdlib.h>     // calloc, free
 #include <sys/types.h>  // uid_t
 #include <unistd.h>     // getuid, getgid, getopt, opt*, getgrouplist(FreeBSD, NetBSD)
 
@@ -165,10 +165,11 @@ main(int argc, char *argv[])
 
 	int ngroups = 0;
 	int ngroups_max = (int)sysconf(_SC_NGROUPS_MAX) + 1;
-	gid_t *groups = malloc(sizeof(gid_t) * ngroups_max);
+	gid_t *groups = NULL;
+	groups = calloc(ngroups_max, sizeof(*groups));
 	if(groups == NULL)
 	{
-		perror("id: malloc(groups)");
+		perror("id: calloc(groups)");
 		return 1;
 	}