DeckManager: fix LoadLFListSingle, LoadDeck (std::istringstream) (#2699)

* fix DeckManager::LoadLFListSingle

* fix DeckManager::LoadDeck (std::istringstream)

* typos

* fix conversion

* workaround

gframe/config.h

@@ -3,6 +3,9 @@
 
 #define _IRR_STATIC_LIB_
 #define IRR_COMPILE_WITH_DX9_DEV_PACK
+
+#include <cerrno>
+
 #ifdef _WIN32
 
 #define NOMINMAX
@@ -22,7 +25,6 @@
 
 #else //_WIN32
 
-#include <errno.h>
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>

gframe/deck_manager.cpp

@@ -14,7 +14,7 @@ void DeckManager::LoadLFListSingle(const char* path) {
 	char linebuf[256]{};
 	wchar_t strBuffer[256]{};
 	if(fp) {
-		while(std::fgets(linebuf, 256, fp)) {
+		while(std::fgets(linebuf, sizeof linebuf, fp)) {
 			if(linebuf[0] == '#')
 				continue;
 			if(linebuf[0] == '!') {
@@ -28,16 +28,16 @@ void DeckManager::LoadLFListSingle(const char* path) {
 				cur = _lfList.rbegin();
 				continue;
 			}
+			if (cur == _lfList.rend())
+				continue;
 			int code = 0;
 			int count = -1;
-			if (std::sscanf(linebuf, "%d %d", &code, &count) != 2)
+			if (std::sscanf(linebuf, "%9d%*[ ]%9d", &code, &count) != 2)
 				continue;
 			if (code <= 0 || code > MAX_CARD_ID)
 				continue;
 			if (count < 0 || count > 2)
 				continue;
-			if (cur == _lfList.rend())
-				continue;
 			unsigned int hcode = code;
 			cur->content[code] = count;
 			cur->hash = cur->hash ^ ((hcode << 18) | (hcode >> 14)) ^ ((hcode << (27 + count)) | (hcode >> (5 - count)));
@@ -197,7 +197,9 @@ int DeckManager::LoadDeck(Deck& deck, std::istringstream& deckStream, bool is_pa
 		}
 		if (linebuf[0] < '0' || linebuf[0] > '9')
 			continue;
-		code = std::stoi(linebuf);
+		code = strtol(linebuf.c_str(), nullptr, 10);
+		if (errno == ERANGE)
+			continue;
 		cardlist[ct++] = code;
 		if (is_side)
 			++sidec;