mirror/cJSON
1
0
Fork 0
mirror of https://github.com/DaveGamble/cJSON.git synced 2023-08-10 21:13:26 +03:00
Code Issues Projects Releases Wiki Activity

fix strlen(null)

Browse Source 
When used in this way, it may cause errors : strlen(null) 

cJSON* json=  cJSON_CreateObject();
json->type = cJSON_String;
cJSON_SetValuestring(json,string);
This commit is contained in:
ZhaoYandong00 2023-04-06 15:15:04 +08:00 committed by GitHub
parent b45f48e600
commit 860ed3a77c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
cJSON.c
View File

@ -405,10 +405,13 @@ CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring)
{ {
return NULL; return NULL;
} }
if (strlen(valuestring) <= strlen(object->valuestring)) if (object->valuestring != NULL)
{ {
strcpy(object->valuestring, valuestring); if (strlen(valuestring) <= strlen(object->valuestring))
return object->valuestring; {
strcpy(object->valuestring, valuestring);
return object->valuestring;
}
} }
copy = (char*) cJSON_strdup((const unsigned char*)valuestring, &global_hooks); copy = (char*) cJSON_strdup((const unsigned char*)valuestring, &global_hooks);
if (copy == NULL) if (copy == NULL)