lib/, src/: Reduce scope of local variables

Signed-off-by: Alejandro Colomar <[email protected]>

Author: alejandro-colomar

lib/addgrps.c

@@ -36,7 +36,7 @@
 int
 add_groups(const char *list)
 {
-	char    *g, *p, *dup;
+	char    *dup;
 	FILE *shadow_logfd = log_get_logfd();
 	gid_t   *gids;
 	size_t  n;
@@ -49,11 +49,14 @@ add_groups(const char *list)
 	if (gids == NULL)
 		return -1;
 
-	p = dup = strdup(list);
+	dup = strdup(list);
 	if (dup == NULL)
 		goto free_gids;
 
 	if (!streq(dup, "")) {
+		char  *g, *p;
+
+		p = dup;
 		while (NULL != (g = strsep(&p, ",:"))) {
 			struct group  *grp;
 

src/groupmod.c

@@ -259,8 +259,6 @@ grp_update(void)
 	}
 
 	if (user_list) {
-		char  *u, *ul;
-
 		if (!aflg) {
 			// requested to replace the existing groups
 			grp.gr_mem = xmalloc_T(1, char *);
@@ -283,6 +281,8 @@ grp_update(void)
 #endif				/* SHADOWGRP */
 
 		if (!streq(user_list, "")) {
+			char  *u, *ul;
+
 			ul = user_list;
 			while (NULL != (u = strsep(&ul, ","))) {
 				if (prefix_getpwnam(u) == NULL) {