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handle null pointers: cJSONUtils_GeneratePatches

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Max Bruckner 2017-06-28 16:00:41 +02:00
parent 2d252ae595
commit f0c1b896ba
1 changed files with 8 additions and 1 deletions
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9
cJSON_Utils.c
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@ -1228,7 +1228,14 @@ static void create_patches(cJSON * const patches, const unsigned char * const pa
CJSON_PUBLIC(cJSON *) cJSONUtils_GeneratePatches(cJSON * const from, cJSON * const to) CJSON_PUBLIC(cJSON *) cJSONUtils_GeneratePatches(cJSON * const from, cJSON * const to)
{ {
cJSON *patches = cJSON_CreateArray(); cJSON *patches = NULL;
if ((from == NULL) || (to == NULL))
{
return NULL;
}
patches = cJSON_CreateArray();
create_patches(patches, (const unsigned char*)"", from, to, false); create_patches(patches, (const unsigned char*)"", from, to, false);
return patches; return patches;