port to 64bit. Some gcc 4.4 warning fixes

[picodrive.git] / platform / common / emu.c

diff --git a/platform/common/emu.c b/platform/common/emu.c
index 370242d..e916b3f 100644 (file)
--- a/platform/common/emu.c
+++ b/platform/common/emu.c
@@ -464,25 +464,25 @@ int emu_reload_rom(char *rom_fname)
                // check for both gmv and rom\r
                int dummy;\r
                FILE *movie_file = fopen(rom_fname, "rb");\r
-               if(!movie_file) {\r
+               if (!movie_file) {\r
                        me_update_msg("Failed to open movie.");\r
                        return 0;\r
                }\r
                fseek(movie_file, 0, SEEK_END);\r
                movie_size = ftell(movie_file);\r
                fseek(movie_file, 0, SEEK_SET);\r
-               if(movie_size < 64+3) {\r
+               if (movie_size < 64+3) {\r
                        me_update_msg("Invalid GMV file.");\r
                        fclose(movie_file);\r
                        return 0;\r
                }\r
                movie_data = malloc(movie_size);\r
-               if(movie_data == NULL) {\r
+               if (movie_data == NULL) {\r
                        me_update_msg("low memory.");\r
                        fclose(movie_file);\r
                        return 0;\r
                }\r
-               fread(movie_data, 1, movie_size, movie_file);\r
+               dummy = fread(movie_data, 1, movie_size, movie_file);\r
                fclose(movie_file);\r
                if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
                        me_update_msg("Invalid GMV file.");\r
@@ -1008,13 +1008,16 @@ int emu_save_load_game(int load, int sram)
                        sram_size = SRam.size;\r
                        sram_data = SRam.data;\r
                }\r
-               if (!sram_data) return 0; // SRam forcefully disabled for this game\r
+               if (sram_data == NULL)\r
+                       return 0; // SRam forcefully disabled for this game\r
 \r
                if (load)\r
                {\r
                        sramFile = fopen(saveFname, "rb");\r
-                       if(!sramFile) return -1;\r
-                       fread(sram_data, 1, sram_size, sramFile);\r
+                       if (!sramFile)\r
+                               return -1;\r
+                       ret = fread(sram_data, 1, sram_size, sramFile);\r
+                       ret = ret > 0 ? 0 : -1;\r
                        fclose(sramFile);\r
                        if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART))\r
                                memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r