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fix #174: cJSON_ReplaceItemInObject doesn't copy name

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This commit is contained in:
Max Bruckner 2017-05-22 22:53:44 +02:00
parent 3efee9fda8
commit 9ecc96878f
2 changed files with 43 additions and 2 deletions
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24
cJSON.c
View File

@ -1975,14 +1975,34 @@ CJSON_PUBLIC(void) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newi
cJSON_ReplaceItemViaPointer(array, get_array_item(array, (size_t)which), newitem);
}
static cJSON_bool replace_item_in_object(cJSON *object, const char *string, cJSON *replacement, cJSON_bool case_sensitive)
{
if (replacement == NULL)
{
return false;
}
/* replace the name in the replacement */
if (!(replacement->type & cJSON_StringIsConst) && (replacement->string != NULL))
{
cJSON_free(replacement->string);
}
replacement->string = (char*)cJSON_strdup((const unsigned char*)string, &global_hooks);
replacement->type &= ~cJSON_StringIsConst;
cJSON_ReplaceItemViaPointer(object, get_object_item(object, string, case_sensitive), replacement);
return true;
}
CJSON_PUBLIC(void) cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem)
{
cJSON_ReplaceItemViaPointer(object, cJSON_GetObjectItem(object, string), newitem);
replace_item_in_object(object, string, newitem, false);
}
CJSON_PUBLIC(void) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object, const char *string, cJSON *newitem)
{
cJSON_ReplaceItemViaPointer(object, cJSON_GetObjectItemCaseSensitive(object, string), newitem);
replace_item_in_object(object, string, newitem, true);
}
/* Create basic types: */

21
tests/misc_tests.c
View File

@ -304,6 +304,26 @@ static void cjson_replace_item_via_pointer_should_replace_items(void)
cJSON_free(array);
}
static void cjson_replace_item_in_object_should_preserve_name(void)
{
cJSON root[1] = {{ NULL, NULL, NULL, 0, NULL, 0, 0, NULL }};
cJSON *child = NULL;
cJSON *replacement = NULL;
child = cJSON_CreateNumber(1);
TEST_ASSERT_NOT_NULL(child);
replacement = cJSON_CreateNumber(2);
TEST_ASSERT_NOT_NULL(replacement);
cJSON_AddItemToObject(root, "child", child);
cJSON_ReplaceItemInObject(root, "child", replacement);
TEST_ASSERT_TRUE(root->child == replacement);
TEST_ASSERT_EQUAL_STRING("child", replacement->string);
cJSON_Delete(replacement);
}
int main(void)
{
UNITY_BEGIN();
@ -317,6 +337,7 @@ int main(void)
RUN_TEST(cjson_set_number_value_should_set_numbers);
RUN_TEST(cjson_detach_item_via_pointer_should_detach_items);
RUN_TEST(cjson_replace_item_via_pointer_should_replace_items);
RUN_TEST(cjson_replace_item_in_object_should_preserve_name);
return UNITY_END();
}