mirrors/janet
1
0
Fork 0
mirror of https://github.com/janet-lang/janet synced 2025-10-31 23:53:02 +00:00
Code Issues 1 Releases Wiki Activity

Fix for double free on fclose due to GC not knowing it failed

Browse Source
This commit is contained in:
Matthew Carter
2020-05-28 15:35:09 -04:00
parent fff66649aa
commit ee94828355
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/core/io.c
View File

@@ -279,7 +279,10 @@ static Janet cfun_io_fclose(int32_t argc, Janet *argv) {
return janet_wrap_integer(WEXITSTATUS(status));
#endif
} else {
if (fclose(iof->file)) janet_panic("could not close file");
if (fclose(iof->file)) {
iof->flags |= JANET_FILE_NOT_CLOSEABLE;
janet_panic("could not close file");
}
iof->flags |= JANET_FILE_CLOSED;
return janet_wrap_nil();
}