systemd/0489-strv-introduce-string_strv_hashmap_remove.patch
Jan Macku 624ce61832 systemd-257-19
Resolves: RHEL-113051,RHEL-120277,RHEL-126122,RHEL-126937,RHEL-129179
2025-11-21 15:58:14 +01:00

85 lines
3.2 KiB
Diff

From 29d63497e76eb54b060ec53614034951d6c7e454 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Tue, 28 Jan 2025 08:50:14 +0900
Subject: [PATCH] strv: introduce string_strv_hashmap_remove()
(cherry picked from commit c540875cd3b024f64980966376637ecc284d643c)
Related: RHEL-126937
---
src/basic/strv.c | 17 +++++++++++++++++
src/basic/strv.h | 4 ++++
src/test/test-hashmap-plain.c | 16 ++++++++++++++++
3 files changed, 37 insertions(+)
diff --git a/src/basic/strv.c b/src/basic/strv.c
index c9c4551cdc..bbe0868226 100644
--- a/src/basic/strv.c
+++ b/src/basic/strv.c
@@ -1065,6 +1065,23 @@ int fputstrv(FILE *f, char * const *l, const char *separator, bool *space) {
DEFINE_PRIVATE_HASH_OPS_FULL(string_strv_hash_ops, char, string_hash_func, string_compare_func, free, char*, strv_free);
+void string_strv_hashmap_remove(Hashmap *h, const char *key, const char *value) {
+ assert(key);
+
+ if (value) {
+ char **l = hashmap_get(h, key);
+ if (!l)
+ return;
+
+ strv_remove(l, value);
+ if (!strv_isempty(l))
+ return;
+ }
+
+ _unused_ _cleanup_free_ char *key_free = NULL;
+ strv_free(hashmap_remove2(h, key, (void**) &key_free));
+}
+
static int string_strv_hashmap_put_internal(Hashmap *h, const char *key, const char *value) {
char **l;
int r;
diff --git a/src/basic/strv.h b/src/basic/strv.h
index 86ba06f835..5cdc801f35 100644
--- a/src/basic/strv.h
+++ b/src/basic/strv.h
@@ -258,6 +258,10 @@ int fputstrv(FILE *f, char * const *l, const char *separator, bool *space);
#define strv_free_and_replace(a, b) \
free_and_replace_full(a, b, strv_free)
+void string_strv_hashmap_remove(Hashmap *h, const char *key, const char *value);
+static inline void string_strv_ordered_hashmap_remove(OrderedHashmap *h, const char *key, const char *value) {
+ string_strv_hashmap_remove(PLAIN_HASHMAP(h), key, value);
+}
int _string_strv_hashmap_put(Hashmap **h, const char *key, const char *value HASHMAP_DEBUG_PARAMS);
int _string_strv_ordered_hashmap_put(OrderedHashmap **h, const char *key, const char *value HASHMAP_DEBUG_PARAMS);
#define string_strv_hashmap_put(h, k, v) _string_strv_hashmap_put(h, k, v HASHMAP_DEBUG_SRC_ARGS)
diff --git a/src/test/test-hashmap-plain.c b/src/test/test-hashmap-plain.c
index e1485a84d4..0fd4116d8a 100644
--- a/src/test/test-hashmap-plain.c
+++ b/src/test/test-hashmap-plain.c
@@ -992,6 +992,22 @@ TEST(string_strv_hashmap) {
s = hashmap_get(m, "xxx");
assert_se(strv_equal(s, STRV_MAKE("bar", "BAR")));
+
+ string_strv_hashmap_remove(m, "foo", "bar");
+ ASSERT_NOT_NULL(s = hashmap_get(m, "foo"));
+ ASSERT_TRUE(strv_equal(s, STRV_MAKE("BAR")));
+
+ string_strv_hashmap_remove(m, "foo", "BAR");
+ ASSERT_NULL(hashmap_get(m, "foo"));
+
+ string_strv_hashmap_remove(m, "xxx", "BAR");
+ ASSERT_NOT_NULL(s = hashmap_get(m, "xxx"));
+ ASSERT_TRUE(strv_equal(s, STRV_MAKE("bar")));
+
+ string_strv_hashmap_remove(m, "xxx", "bar");
+ ASSERT_NULL(hashmap_get(m, "xxx"));
+
+ ASSERT_TRUE(hashmap_isempty(m));
}
TEST(hashmap_dump_sorted) {