git.y1.nz

commit e69f6b85794e87730aded713919c535e634add45
parent cfbc7b481a8159a60b0270e8441b8eac2ee0df32
Author: Lior Halphon <LIJI32@gmail.com>
Date:   Mon, 21 Jul 2025 23:53:54 +0300

Bug fix: GB_save_state always returned success

Diffstat:
M
Core/save_state.c
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Core/save_state.c b/Core/save_state.c
@@ -551,6 +551,7 @@ static const uint8_t *get_header_bank(GB_gameboy_t *gb)
 
 static int save_state_internal(GB_gameboy_t *gb, virtual_file_t *file, bool append_bess)
 {
+    errno = 0;
     if (file->write(file, GB_GET_SECTION(gb, header), GB_SECTION_SIZE(header)) != GB_SECTION_SIZE(header)) goto error;
     if (!DUMP_SECTION(gb, file, core_state)) goto error;
     if (!DUMP_SECTION(gb, file, dma       )) goto error;
@@ -838,8 +839,10 @@ static int save_state_internal(GB_gameboy_t *gb, virtual_file_t *file, bool appe
         goto error;
     }
     
+    return 0;;
 error:
-    return 0;
+    if (errno == 0) return EIO;
+    return errno;
 }
 
 int GB_save_state(GB_gameboy_t *gb, const char *path)

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