Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / libudev / libudev-list.c

diff --git a/src/libudev/libudev-list.c b/src/libudev/libudev-list.c
index 59ba69e279a2d6edeb180194e37b360f06739e27..29fbdbd4509e7365875a8ef0f99b12c485b25c53 100644 (file)
--- a/src/libudev/libudev-list.c
+++ b/src/libudev/libudev-list.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -17,14 +18,12 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
 #include <errno.h>
+#include <stddef.h>
+#include <stdlib.h>
 #include <string.h>
 
-#include "libudev.h"
+#include "alloc-util.h"
 #include "libudev-private.h"
 
 /**
@@ -95,14 +94,14 @@ static inline struct udev_list_entry *list_node_to_entry(struct udev_list_node *
 
 void udev_list_init(struct udev *udev, struct udev_list *list, bool unique)
 {
-        memset(list, 0x00, sizeof(struct udev_list));
+        memzero(list, sizeof(struct udev_list));
         list->udev = udev;
         list->unique = unique;
         udev_list_node_init(&list->node);
 }
 
 /* insert entry into a list as the last element  */
-void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list)
+static void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list)
 {
         /* inserting before the list head make the node the last node in the list */
         udev_list_node_insert_between(&new->node, list->node.prev, &list->node);
@@ -110,7 +109,7 @@ void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list)
 }
 
 /* insert entry into a list, before a given existing entry */
-void udev_list_entry_insert_before(struct udev_list_entry *new, struct udev_list_entry *entry)
+static void udev_list_entry_insert_before(struct udev_list_entry *new, struct udev_list_entry *entry)
 {
         udev_list_node_insert_between(&new->node, entry->node.prev, &entry->node);
         new->list = entry->list;
@@ -165,20 +164,19 @@ struct udev_list_entry *udev_list_entry_add(struct udev_list *list, const char *
         }
 
         /* add new name */
-        entry = calloc(1, sizeof(struct udev_list_entry));
+        entry = new0(struct udev_list_entry, 1);
         if (entry == NULL)
                 return NULL;
+
         entry->name = strdup(name);
-        if (entry->name == NULL) {
-                free(entry);
-                return NULL;
-        }
+        if (entry->name == NULL)
+                return mfree(entry);
+
         if (value != NULL) {
                 entry->value = strdup(value);
                 if (entry->value == NULL) {
                         free(entry->name);
-                        free(entry);
-                        return NULL;
+                        return mfree(entry);
                 }
         }
 
@@ -195,8 +193,7 @@ struct udev_list_entry *udev_list_entry_add(struct udev_list *list, const char *
                         if (entries == NULL) {
                                 free(entry->name);
                                 free(entry->value);
-                                free(entry);
-                                return NULL;
+                                return mfree(entry);
                         }
                         list->entries = entries;
                         list->entries_max += add;
@@ -249,8 +246,7 @@ void udev_list_cleanup(struct udev_list *list)
         struct udev_list_entry *entry_loop;
         struct udev_list_entry *entry_tmp;
 
-        free(list->entries);
-        list->entries = NULL;
+        list->entries = mfree(list->entries);
         list->entries_cur = 0;
         list->entries_max = 0;
         udev_list_entry_foreach_safe(entry_loop, entry_tmp, udev_list_get_entry(list))