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Fix huge count in cheevos_fill_md5 which makes RetroArch freeze

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This commit is contained in:
Andre Leiradella 2016-11-22 21:27:19 +00:00
parent 979b388152
commit 38e201ba2d
1 changed files with 11 additions and 10 deletions
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21
cheevos.c
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@ -2244,13 +2244,10 @@ static size_t cheevos_eval_md5(
size_t size = 0;
RFILE *file = filestream_open(info->path, RFILE_MODE_READ, 0);
filestream_seek(file, offset, SEEK_SET);
if (!file)
return 0;
if (max_size == 0)
max_size = (size_t)-1;
filestream_seek(file, offset, SEEK_SET);
for (;;)
{
@ -2258,7 +2255,7 @@ static size_t cheevos_eval_md5(
ssize_t num_read;
size_t to_read = sizeof(buffer);
if (to_read > max_size)
if (max_size != 0 && to_read > max_size)
to_read = max_size;
num_read = filestream_read(file, (void*)buffer, to_read);
@ -2268,7 +2265,9 @@ static size_t cheevos_eval_md5(
MD5_Update(ctx, (void*)buffer, num_read);
size += num_read;
max_size -= num_read;
if (max_size != 0)
max_size -= num_read;
}
filestream_close(file);
@ -2328,9 +2327,10 @@ static unsigned cheevos_find_game_id_snes(
return 0;
}
cheevos_fill_md5(CHEEVOS_EIGHT_MB - count, 0, &ctx);
if (count < CHEEVOS_EIGHT_MB)
cheevos_fill_md5(CHEEVOS_EIGHT_MB - count, 0, &ctx);
MD5_Final(hash, &ctx);
return cheevos_get_game_id(hash, &timeout);
}
@ -2347,9 +2347,10 @@ static unsigned cheevos_find_game_id_genesis(
return 0;
}
cheevos_fill_md5(CHEEVOS_SIX_MB - count, 0, &ctx);
if (count < CHEEVOS_SIX_MB)
cheevos_fill_md5(CHEEVOS_SIX_MB - count, 0, &ctx);
MD5_Final(hash, &ctx);
return cheevos_get_game_id(hash, &timeout);
}