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Merge pull request #453 from Alanscut/add-return-value

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add return value for  cJSON_AddItemTo... and cJSON_ReplaceItemxxx
This commit is contained in:
Alan Wang
2020-04-02 19:41:56 +08:00
committed by GitHub
parent f12cd7b701 af56a146fd
commit 65578af8cc
3 changed files with 65 additions and 48 deletions
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54
cJSON.c
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@ -1929,7 +1929,7 @@ static cJSON_bool add_item_to_array(cJSON *array, cJSON *item)
{
cJSON *child = NULL;
if ((item == NULL) || (array == NULL))
if ((item == NULL) || (array == NULL) || (array == item))
{
return false;
}
@ -1968,9 +1968,9 @@ static cJSON_bool add_item_to_array(cJSON *array, cJSON *item)
}
/* Add item to array/object. */
CJSON_PUBLIC(void) cJSON_AddItemToArray(cJSON *array, cJSON *item)
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item)
{
add_item_to_array(array, item);
return add_item_to_array(array, item);
}
#if defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5))))
@ -1994,7 +1994,7 @@ static cJSON_bool add_item_to_object(cJSON * const object, const char * const st
char *new_key = NULL;
int new_type = cJSON_Invalid;
if ((object == NULL) || (string == NULL) || (item == NULL))
if ((object == NULL) || (string == NULL) || (item == NULL) || (object == item))
{
return false;
}
@ -2026,35 +2026,35 @@ static cJSON_bool add_item_to_object(cJSON * const object, const char * const st
return add_item_to_array(object, item);
}
CJSON_PUBLIC(void) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item)
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item)
{
add_item_to_object(object, string, item, &global_hooks, false);
return add_item_to_object(object, string, item, &global_hooks, false);
}
/* Add an item to an object with constant string as key */
CJSON_PUBLIC(void) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item)
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item)
{
add_item_to_object(object, string, item, &global_hooks, true);
return add_item_to_object(object, string, item, &global_hooks, true);
}
CJSON_PUBLIC(void) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item)
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item)
{
if (array == NULL)
{
return;
return false;
}
add_item_to_array(array, create_reference(item, &global_hooks));
return add_item_to_array(array, create_reference(item, &global_hooks));
}
CJSON_PUBLIC(void) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item)
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item)
{
if ((object == NULL) || (string == NULL))
{
return;
return false;
}
add_item_to_object(object, string, create_reference(item, &global_hooks), &global_hooks, false);
return add_item_to_object(object, string, create_reference(item, &global_hooks), &global_hooks, false);
}
CJSON_PUBLIC(cJSON*) cJSON_AddNullToObject(cJSON * const object, const char * const name)
@ -2235,20 +2235,19 @@ CJSON_PUBLIC(void) cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const
}
/* Replace array/object items with new ones. */
CJSON_PUBLIC(void) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem)
CJSON_PUBLIC(cJSON_bool) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem)
{
cJSON *after_inserted = NULL;
if (which < 0)
{
return;
return false;
}
after_inserted = get_array_item(array, (size_t)which);
if (after_inserted == NULL)
{
add_item_to_array(array, newitem);
return;
return add_item_to_array(array, newitem);
}
newitem->next = after_inserted;
@ -2262,6 +2261,7 @@ CJSON_PUBLIC(void) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newit
{
newitem->prev->next = newitem;
}
return true;
}
CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON * const item, cJSON * replacement)
@ -2305,14 +2305,14 @@ CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON
return true;
}
CJSON_PUBLIC(void) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem)
CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem)
{
if (which < 0)
{
return;
return false;
}
cJSON_ReplaceItemViaPointer(array, get_array_item(array, (size_t)which), newitem);
return 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)
@ -2330,19 +2330,17 @@ static cJSON_bool replace_item_in_object(cJSON *object, const char *string, cJSO
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;
return cJSON_ReplaceItemViaPointer(object, get_object_item(object, string, case_sensitive), replacement);
}
CJSON_PUBLIC(void) cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem)
CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem)
{
replace_item_in_object(object, string, newitem, false);
return replace_item_in_object(object, string, newitem, false);
}
CJSON_PUBLIC(void) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object, const char *string, cJSON *newitem)
CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object, const char *string, cJSON *newitem)
{
replace_item_in_object(object, string, newitem, true);
return replace_item_in_object(object, string, newitem, true);
}
/* Create basic types: */