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Merge pull request #374 from liebman/allocate-params-array

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use malloc/free for WiFiManagerParameter* array instead of hard coding.
This commit is contained in:
Shawn A
2018-01-30 12:29:30 -06:00
committed by GitHub
parent a832af02ca d66cd47df8
commit a4795b77f7
2 changed files with 32 additions and 10 deletions
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WiFiManager.cpp
+27 -7
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@@ -66,22 +66,42 @@ const char* WiFiManagerParameter::getCustomHTML() {
return _customHTML;
}
WiFiManager::WiFiManager() {
_max_params = WIFI_MANAGER_MAX_PARAMS;
_params = (WiFiManagerParameter**)malloc(_max_params * sizeof(WiFiManagerParameter*));
}
void WiFiManager::addParameter(WiFiManagerParameter *p) {
if(_paramsCount + 1 > WIFI_MANAGER_MAX_PARAMS)
WiFiManager::~WiFiManager()
{
if (_params != NULL)
{
DEBUG_WM(F("freeing allocated params!"));
free(_params);
}
}
bool WiFiManager::addParameter(WiFiManagerParameter *p) {
if(_paramsCount + 1 > _max_params)
{
//Max parameters exceeded!
DEBUG_WM("WIFI_MANAGER_MAX_PARAMS exceeded, increase number (in WiFiManager.h) before adding more parameters!");
DEBUG_WM("Skipping parameter with ID:");
DEBUG_WM(p->getID());
return;
// rezise the params array
_max_params += WIFI_MANAGER_MAX_PARAMS;
DEBUG_WM(F("Increasing _max_params to:"));
DEBUG_WM(_max_params);
WiFiManagerParameter** new_params = (WiFiManagerParameter**)realloc(_params, _max_params * sizeof(WiFiManagerParameter*));
if (new_params != NULL) {
_params = new_params;
} else {
DEBUG_WM("ERROR: failed to realloc params, size not increased!");
return false;
}
}
_params[_paramsCount] = p;
_paramsCount++;
DEBUG_WM("Adding parameter");
DEBUG_WM(p->getID());
return true;
}
void WiFiManager::setupConfigPortal() {