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Place a cap on the GBS file size

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This commit is contained in:
Lior Halphon 2021-05-17 17:11:41 +03:00
parent ea67a7e3f0
commit 2afeb7dee3
1 changed files with 3 additions and 3 deletions
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6
Core/gb.c
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@ -462,13 +462,13 @@ int GB_load_gbs(GB_gameboy_t *gb, const char *path, GB_gbs_info_t *info)
return errno; return errno;
} }
fseek(f, 0, SEEK_END); fseek(f, 0, SEEK_END);
size_t file_size = ftell(f); size_t file_size = MIN(ftell(f), sizeof(GB_gbs_header_t) + 0x4000 * 0x100); // Cap with the maximum MBC3 ROM size + GBS header
fseek(f, 0, SEEK_SET); fseek(f, 0, SEEK_SET);
uint8_t *file_data = malloc(file_size); uint8_t *file_data = malloc(file_size);
fread(file_data,1,file_size,f); fread(file_data, 1, file_size, f);
fclose(f); fclose(f);
int r = GB_load_gbs_from_buffer(gb,file_data,file_size,info); int r = GB_load_gbs_from_buffer(gb, file_data, file_size, info);
free(file_data); free(file_data);
return r; return r;
} }