From: Twinaphex <libretro@gmail.com>
Date: Wed, 5 Oct 2016 01:30:47 +0000 (+0200)
Subject: Merge pull request #39 from lentillog/bug/sram-crash
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12ae851364c2c13b983f16149d692938132516c9;hp=6c991e7ced6e893064dafbe7bd64b98c978f6195;p=picodrive.git

Merge pull request #39 from lentillog/bug/sram-crash

Fixed crash on loading sram game after a game with no sram
---

diff --git a/platform/libretro/libretro.c b/platform/libretro/libretro.c
index 4636361..5f326da 100644
--- a/platform/libretro/libretro.c
+++ b/platform/libretro/libretro.c
@@ -877,6 +877,22 @@ static const char *find_bios(int *region, const char *cd_fname)
    return NULL;
 }
 
+static void sram_reset()
+{
+   SRam.data = NULL;
+   SRam.start = 0;
+   SRam.end = 0;
+   SRam.flags = '\0';
+   SRam.unused2 = '\0';
+   SRam.changed = '\0' ;
+   SRam.eeprom_type = '\0';
+   SRam.unused3 = '\0';
+   SRam.eeprom_bit_cl = '\0';
+   SRam.eeprom_bit_in = '\0';
+   SRam.eeprom_bit_out = '\0';
+   SRam.size = 0;
+}
+
 bool retro_load_game(const struct retro_game_info *info)
 {
    enum media_type_e media_type;
@@ -933,6 +949,8 @@ bool retro_load_game(const struct retro_game_info *info)
       { 0 },
    };
 
+   sram_reset();
+
    enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
    if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
       if (log_cb)