Normalize line endings when reading text files

Closes #250

src/config.cc

@@ -289,7 +289,7 @@ bool configRead(Config* config, const char* filePath, bool isDb)
     } else {
         FILE* stream = compat_fopen(filePath, "rt");
         if (stream != NULL) {
-            while (fgets(string, sizeof(string), stream) != NULL) {
+            while (compat_fgets(string, sizeof(string), stream) != NULL) {
                 configParseLine(config, string);
             }
 

src/dictionary.cc

@@ -447,7 +447,7 @@ int dictionaryLoad(FILE* stream, Dictionary* dictionary, int a3)
             return -1;
         }
 
-        if (fgets(entry->key, keyLength + 1, stream) == NULL) {
+        if (compat_fgets(entry->key, keyLength + 1, stream) == NULL) {
             return -1;
         }
 

src/platform_compat.cc

@@ -239,6 +239,36 @@ gzFile compat_gzopen(const char* path, const char* mode)
     return gzopen(nativePath, mode);
 }
 
+char* compat_fgets(char* buffer, int maxCount, FILE* stream)
+{
+    buffer = fgets(buffer, maxCount, stream);
+
+    if (buffer != NULL) {
+        size_t len = strlen(buffer);
+        if (len >= 2 && buffer[len - 1] == '\n' && buffer[len - 2] == '\r') {
+            buffer[len - 2] = '\n';
+            buffer[len - 1] = '\0';
+        }
+    }
+
+    return buffer;
+}
+
+char* compat_gzgets(gzFile stream, char* buffer, int maxCount)
+{
+    buffer = gzgets(stream, buffer, maxCount);
+
+    if (buffer != NULL) {
+        size_t len = strlen(buffer);
+        if (len >= 2 && buffer[len - 1] == '\n' && buffer[len - 2] == '\r') {
+            buffer[len - 2] = '\n';
+            buffer[len - 1] = '\0';
+        }
+    }
+
+    return buffer;
+}
+
 int compat_remove(const char* path)
 {
     char nativePath[COMPAT_MAX_PATH];

src/platform_compat.h

@@ -35,6 +35,8 @@ int compat_mkdir(const char* path);
 unsigned int compat_timeGetTime();
 FILE* compat_fopen(const char* path, const char* mode);
 gzFile compat_gzopen(const char* path, const char* mode);
+char* compat_fgets(char* buffer, int maxCount, FILE* stream);
+char* compat_gzgets(gzFile stream, char* buffer, int maxCount);
 int compat_remove(const char* path);
 int compat_rename(const char* oldFileName, const char* newFileName);
 void compat_windows_path_to_native(char* path);

src/xfile.cc

@@ -234,10 +234,10 @@ char* xfileReadString(char* string, int size, XFile* stream)
         result = dfileReadString(string, size, stream->dfile);
         break;
     case XFILE_TYPE_GZFILE:
-        result = gzgets(stream->gzfile, string, size);
+        result = compat_gzgets(stream->gzfile, string, size);
         break;
     default:
-        result = fgets(string, size, stream->file);
+        result = compat_fgets(string, size, stream->file);
         break;
     }