diff options
Diffstat (limited to 'src/newgrf_config.cpp')
| -rw-r--r-- | src/newgrf_config.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/newgrf_config.cpp b/src/newgrf_config.cpp index f320d2c05..acd471d64 100644 --- a/src/newgrf_config.cpp +++ b/src/newgrf_config.cpp @@ -37,15 +37,16 @@ static bool CalcGRFMD5Sum(GRFConfig *config) FILE *f; md5_state_t md5state; md5_byte_t buffer[1024]; - size_t len; + size_t len, size; /* open the file */ - f = FioFOpenFile(config->filename); + f = FioFOpenFile(config->filename, "rb", DATA_DIR, &size); if (f == NULL) return false; /* calculate md5sum */ md5_init(&md5state); - while ((len = fread(buffer, 1, sizeof(buffer), f)) != 0) { + while ((len = fread(buffer, 1, (size > sizeof(buffer)) ? sizeof(buffer) : size, f)) != 0 && size != 0) { + size -= len; md5_append(&md5state, buffer, len); } md5_finish(&md5state, config->md5sum); |