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Merge pull request #451 from Alanscut/20200324

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add new function of `cJSON_SetValuestring`
This commit is contained in:
Alan Wang
2020-04-02 19:40:03 +08:00
committed by GitHub
parent 97cf1d84e4 31c7880fab
commit f12cd7b701
4 changed files with 79 additions and 12 deletions
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27
cJSON.c
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@ -380,6 +380,33 @@ CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number)
return object->valuedouble = number;
}
CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring)
{
char *copy = NULL;
/* if object's type is not cJSON_String or is cJSON_IsReference, it should not set valuestring */
if (!(object->type & cJSON_String) || (object->type & cJSON_IsReference))
{
return NULL;
}
if (strlen(valuestring) <= strlen(object->valuestring))
{
strcpy(object->valuestring, valuestring);
return object->valuestring;
}
copy = (char*) cJSON_strdup((const unsigned char*)valuestring, &global_hooks);
if (copy == NULL)
{
return NULL;
}
if (object->valuestring != NULL)
{
cJSON_free(object->valuestring);
}
object->valuestring = copy;
return copy;
}
typedef struct
{
unsigned char *buffer;