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io: handle fread() errors #6311

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io: handle fread() errors #6311

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14 changes: 12 additions & 2 deletions src/libcore/io.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -868,9 +868,19 @@ impl Reader for *libc::FILE {
assert!(buf_len >= len);

let count = libc::fread(buf_p as *mut c_void, 1u as size_t,
len as size_t, *self);
len as size_t, *self) as uint;
if count < len {
match libc::ferror(*self) {
0 => (),
_ => {
error!("error reading buffer");
error!("%s", os::last_os_error());
fail!();
}
}
}

count as uint
count
}
}
}
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