diff options
| author | Akira Yumiyama <[email protected]> | 2013-05-12 14:23:48 +0900 |
|---|---|---|
| committer | Akira Yumiyama <[email protected]> | 2013-05-12 14:23:48 +0900 |
| commit | 55b6ef43c5f8735b2cb2bc7d3d813062d08fb934 (patch) | |
| tree | dfebb9763d513b1d28d88ee8991e7390b8070128 /src | |
| parent | 14e1992ed0c1b1244bc0c802fae8fe3cd88e848f (diff) | |
| download | mruby-55b6ef43c5f8735b2cb2bc7d3d813062d08fb934.tar.gz mruby-55b6ef43c5f8735b2cb2bc7d3d813062d08fb934.zip | |
add return value check of fseek
Diffstat (limited to 'src')
| -rw-r--r-- | src/file.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/file.c b/src/file.c index 02991eb98..ad7c8f574 100644 --- a/src/file.c +++ b/src/file.c @@ -200,7 +200,10 @@ mrb_file_size(mrb_state *mrb, mrb_value klass) return mrb_nil_value(); } - fseek(fp, 0, SEEK_END); + if (fseek(fp, 0, SEEK_END) != 0) { + mrb_sys_fail(mrb, "mrb_file_size failed."); + return mrb_nil_value(); + } filesize = (mrb_int) ftell(fp); fclose(fp); |