Fix -Wunused-result compiler warnings

[quix0rs-blobwars.git] / src / loadSave.cpp

diff --git a/src/loadSave.cpp b/src/loadSave.cpp
index 73f53840277cc1845b2563e94ab3c7a210131eef..9489f5e46c28d620cbf4807cb52cc186c1c9ed36 100644 (file)
--- a/src/loadSave.cpp
+++ b/src/loadSave.cpp
@@ -122,8 +122,11 @@ bool loadGame(int slot)
        
        while (true)
        {
-               fgets(line, 1024, fp);
-               
+               if (!fgets(line, 1024, fp)) {
+                       fclose(fp);
+                       graphics.showErrorAndExit("Unexpected end of file reading save data", "");
+               }
+
                sscanf(line, "%*c %[^\"] %*c %*c %[^\"] %*c %d %d", string[0], string[1], &param[0], &param[1]);
                
                data = new Data();
@@ -160,8 +163,11 @@ bool loadGame(int slot)
        
        while (true)
        {
-               fgets(line, 1024, fp);
-               
+               if (!fgets(line, 1024, fp)) {
+                       fclose(fp);
+                       graphics.showErrorAndExit("Unexpected end of file reading save data", "");
+               }
+
                sscanf(line, "%[^\n\r]", string[0]);
                strlcpy(stageName, string[0], sizeof stageName);
                
@@ -169,8 +175,11 @@ bool loadGame(int slot)
                {
                        break;
                }
-               
-               fgets(line, 1024, fp);
+
+               if (!fgets(line, 1024, fp)) {
+                       fclose(fp);
+                       graphics.showErrorAndExit("Unexpected end of file reading save data", "");
+               }
                sscanf(line, "%d", &numberOfLines);
                
                debug(("Read %s with %d lines.\n", stageName, numberOfLines));
@@ -180,9 +189,12 @@ bool loadGame(int slot)
                for (int i = 0 ; i < numberOfLines ; i++)
                {
                        persistData = new PersistData();
-                       
-                       fgets(line, 1024, fp);
-                       
+
+                       if (!fgets(line, 1024, fp)) {
+                               fclose(fp);
+                               graphics.showErrorAndExit("Unexpected end of file reading save data", "");
+                       }
+
                        strlcpy(persistData->data, line, sizeof persistData->data);
                        
                        //debug(("Read %d: %s", i, persistData->data));
@@ -346,7 +358,11 @@ void saveGame()
                graphics.showErrorAndExit("File write error whilst saving game", "");
        }
 
-       fwrite(&game, sizeof(Game), 1, fp);
+       if (fwrite(&game, sizeof(Game), 1, fp) != 1)
+       {
+               fclose(fp);
+               graphics.showErrorAndExit("File write error whilst saving game", strerror(errno));
+       }
        
        fclose(fp);