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sd-device: use string_hash_ops_free_free

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This commit is contained in:
Yu Watanabe 2021-01-26 20:26:33 +09:00
parent 327379f5f2
commit 61c0972dad
1 changed files with 13 additions and 15 deletions
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28
src/libsystemd/sd-device/sd-device.c
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@ -67,7 +67,7 @@ static sd_device *device_free(sd_device *device) {
ordered_hashmap_free(device->properties); ordered_hashmap_free(device->properties);
ordered_hashmap_free(device->properties_db); ordered_hashmap_free(device->properties_db);
hashmap_free_free_free(device->sysattr_values); hashmap_free(device->sysattr_values);
set_free(device->sysattrs); set_free(device->sysattrs);
set_free(device->all_tags); set_free(device->all_tags);
set_free(device->current_tags); set_free(device->current_tags);
@ -1780,30 +1780,28 @@ _public_ int sd_device_get_property_value(sd_device *device, const char *key, co
return 0; return 0;
} }
/* replaces the value if it already exists */ static int device_add_sysattr_value(sd_device *device, const char *key, char *value) {
static int device_add_sysattr_value(sd_device *device, const char *_key, char *value) { _cleanup_free_ char *new_key = NULL, *old_value = NULL;
_cleanup_free_ char *key = NULL;
_cleanup_free_ char *value_old = NULL;
int r; int r;
assert(device); assert(device);
assert(_key); assert(key);
r = hashmap_ensure_allocated(&device->sysattr_values, &string_hash_ops); /* This takes the reference of the input value. The input value may be NULL.
if (r < 0) * This replaces the value if it already exists. */
return r;
value_old = hashmap_remove2(device->sysattr_values, _key, (void **)&key); old_value = hashmap_remove2(device->sysattr_values, key, (void **) &new_key);
if (!key) { if (!new_key) {
key = strdup(_key); new_key = strdup(key);
if (!key) if (!new_key)
return -ENOMEM; return -ENOMEM;
} }
r = hashmap_put(device->sysattr_values, key, value); r = hashmap_ensure_put(&device->sysattr_values, &string_hash_ops_free_free, new_key, value);
if (r < 0) if (r < 0)
return r; return r;
TAKE_PTR(key);
TAKE_PTR(new_key);
return 0; return 0;
} }