CLOUD: Fix compilation with old curl vesions

3 files changed, 15 insertions, 0 deletions

diff --git a/backends/networking/curl/connectionmanager.cpp b/backends/networking/curl/connectionmanager.cpp
index e1761bddc6..d8662ab78d 100644
--- a/backends/networking/curl/connectionmanager.cpp
+++ b/backends/networking/curl/connectionmanager.cpp
@@ -81,7 +81,11 @@ Request *ConnectionManager::addRequest(Request *request, RequestCallback callbac
 Common::String ConnectionManager::urlEncode(Common::String s) const {
 	if (!_multi)
 		return "";
+#if LIBCURL_VERSION_NUM >= 0x070F04
 	char *output = curl_easy_escape(_multi, s.c_str(), s.size());
+#else
+	char *output = curl_escape(s.c_str(), s.size());
+#endif
 	if (output) {
 		Common::String result = output;
 		curl_free(output);
diff --git a/backends/networking/curl/networkreadstream.cpp b/backends/networking/curl/networkreadstream.cpp
index 4da18ce311..e4fc5492b5 100644
--- a/backends/networking/curl/networkreadstream.cpp
+++ b/backends/networking/curl/networkreadstream.cpp
@@ -67,6 +67,7 @@ void NetworkReadStream::init(const char *url, curl_slist *headersList, const byt
 	_sendingContentsBuffer = nullptr;
 	_sendingContentsSize = _sendingContentsPos = 0;
 	_progressDownloaded = _progressTotal = 0;
+	_bufferCopy = nullptr;
 
 	_easy = curl_easy_init();
 	curl_easy_setopt(_easy, CURLOPT_WRITEFUNCTION, curlDataCallback);
@@ -100,7 +101,14 @@ void NetworkReadStream::init(const char *url, curl_slist *headersList, const byt
 	} else {
 		if (post || bufferSize != 0) {
 			curl_easy_setopt(_easy, CURLOPT_POSTFIELDSIZE, bufferSize);
+#if LIBCURL_VERSION_NUM >= 0x071101
+			// CURLOPT_COPYPOSTFIELDS available since curl 7.17.1
 			curl_easy_setopt(_easy, CURLOPT_COPYPOSTFIELDS, buffer);
+#else
+			_bufferCopy = (byte*)malloc(bufferSize);
+			memcpy(_bufferCopy, buffer, bufferSize);
+			curl_easy_setopt(_easy, CURLOPT_POSTFIELDS, _bufferCopy);
+#endif
 		}
 	}
 	ConnMan.registerEasyHandle(_easy);
@@ -111,6 +119,7 @@ void NetworkReadStream::init(const char *url, curl_slist *headersList, Common::H
 	_sendingContentsBuffer = nullptr;
 	_sendingContentsSize = _sendingContentsPos = 0;
 	_progressDownloaded = _progressTotal = 0;
+	_bufferCopy = nullptr;
 
 	_easy = curl_easy_init();
 	curl_easy_setopt(_easy, CURLOPT_WRITEFUNCTION, curlDataCallback);
@@ -184,6 +193,7 @@ NetworkReadStream::NetworkReadStream(const char *url, curl_slist *headersList, c
 NetworkReadStream::~NetworkReadStream() {
 	if (_easy)
 		curl_easy_cleanup(_easy);
+	free(_bufferCopy);
 }
 
 bool NetworkReadStream::eos() const {
diff --git a/backends/networking/curl/networkreadstream.h b/backends/networking/curl/networkreadstream.h
index 275d8dbd79..8e59429a0a 100644
--- a/backends/networking/curl/networkreadstream.h
+++ b/backends/networking/curl/networkreadstream.h
@@ -40,6 +40,7 @@ class NetworkReadStream: public Common::MemoryReadWriteStream {
 	const byte *_sendingContentsBuffer;
 	uint32 _sendingContentsSize;
 	uint32 _sendingContentsPos;
+	byte* _bufferCopy; // To use with old curl version where CURLOPT_COPYPOSTFIELDS is not available
 	Common::String _responseHeaders;
 	uint64 _progressDownloaded, _progressTotal;
 	void init(const char *url, curl_slist *headersList, const byte *buffer, uint32 bufferSize, bool uploading, bool usingPatch, bool post);