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RRTcodebaseC

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* @param param Parameter object to modify.
* @param packed Parameters to set, see comment above.
* @return None.
*/
void dc_param_set_packed(dc_param_t* param, const char* packed)
{
if (param==NULL) {
return;
}
dc_param_empty(param);
if (packed) {
free(param->packed);
param->packed = dc_strdup(packed);
}
}
/**
* Same as dc_param_set_packed() but uses '&' as a separator (instead '\n').
* Urldecoding itself is not done by this function, this is up to the caller.
*/
void dc_param_set_urlencoded(dc_param_t* param, const char* urlencoded)
{
if (param==NULL) {
return;
}
dc_param_empty(param);
if (urlencoded) {
free(param->packed);
param->packed = dc_strdup(urlencoded);
dc_str_replace(&param->packed, "&", "\n");
}
}
/**
* Check if a parameter exists.
*
* @memberof dc_param_t
* @param param Parameter object to query.
* @param key Key of the parameter to check the existance, one of the DC_PARAM_* constants.
* @return 1=parameter exists in object, 0=parameter does not exist in parameter object.
*/
int dc_param_exists(dc_param_t* param, int key)
{
char *p2 = NULL;
if (param==NULL || key==0) {
return 0;
}
return find_param(param->packed, key, &p2)? 1 : 0;
}
/**
* Get value of a parameter.
*
* @memberof dc_param_t
* @param param Parameter object to query.
* @param key Key of the parameter to get, one of the DC_PARAM_* constants.
* @param def Value to return if the parameter is not set.
* @return The stored value or the default value. In both cases, the returned value must be free()'d.
*/
char* dc_param_get(const dc_param_t* param, int key, const char* def)
{
char* p1 = NULL;
char* p2 = NULL;
char bak = 0;
char* ret = NULL;
if (param==NULL || key==0) {
return def? dc_strdup(def) : NULL;
}
p1 = find_param(param->packed, key, &p2);
if (p1==NULL) {
return def? dc_strdup(def) : NULL;
}
p1 += 2; /* skip key and "=" (safe as find_param checks for its existance) */
bak = *p2;
*p2 = 0;
ret = dc_strdup(p1);
dc_rtrim(ret); /* to be safe with '\r' characters ... */
*p2 = bak;
return ret;
}
/**
* Get value of a parameter.
*
* @memberof dc_param_t
* @param param Parameter object to query.