void ESP8266WebServer::sendContent_P(PGM_P content) {
char contentUnit[HTTP_DOWNLOAD_UNIT_SIZE + 1];
contentUnit[HTTP_DOWNLOAD_UNIT_SIZE] = '\0';
while (content != NULL) {
size_t contentUnitLen;
PGM_P contentNext;
// due to the memccpy signature, lots of casts are needed
contentNext = (PGM_P)memccpy_P((void*)contentUnit, (PGM_VOID_P)content, 0, HTTP_DOWNLOAD_UNIT_SIZE);
if (contentNext == NULL) {
// no terminator, more data available
content += HTTP_DOWNLOAD_UNIT_SIZE;
contentUnitLen = HTTP_DOWNLOAD_UNIT_SIZE;
}
else {
// reached terminator
contentUnitLen = contentNext - contentUnit;
content = NULL;
}
// write is so overloaded, had to use the cast to get it pick the right one
_currentClient.write((const char*)contentUnit, contentUnitLen);
}
}
void ESP8266WebServer::send_P(int code, PGM_P content_type, PGM_P content, size_t contentLength) {
String header;
char type[64];
memccpy_P((void*)type, (PGM_VOID_P)content_type, 0, sizeof(type));
_prepareHeader(header, code, (const char* )type, contentLength);
sendContent(header);
sendContent_P(content, contentLength);
}
void ESP8266WebServer::send_P(int code, PGM_P content_type, PGM_P content) {
size_t contentLength = 0;
if (content != NULL) {
contentLength = strlen_P(content);
}
String header;
char type[64];
memccpy_P((void*)type, (PGM_VOID_P)content_type, 0, sizeof(type));
_prepareHeader(header, code, (const char* )type, contentLength);
_currentClient.write(header.c_str(), header.length());
sendContent_P(content);
}
