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@@ -5,12 +5,15 @@
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extern crate platform;
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extern crate va_list as vl;
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extern crate string;
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+extern crate errno;
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use core::str;
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use core::fmt::Write;
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use platform::types::*;
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use platform::c_str;
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+use platform::errno;
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+use errno::STR_ERROR;
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use vl::VaList as va_list;
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mod printf;
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@@ -207,12 +210,21 @@ pub extern "C" fn pclose(stream: *mut FILE) -> c_int {
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#[no_mangle]
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pub unsafe extern "C" fn perror(s: *const c_char) {
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- let strerror = string::strerror(platform::errno);
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+ let mut buf: [u8; 256] = [0; 256];
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+
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+ let mut sw = platform::StringWriter(buf.as_mut_ptr(), buf.len());
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+
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+ if errno >= 0 && errno < STR_ERROR.len() as c_int {
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+ sw.write_str(STR_ERROR[errno as usize]);
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+ } else {
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+ sw.write_fmt(format_args!("Unknown error {}", errno));
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+ }
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+
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let mut w = platform::FileWriter(2);
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w.write_fmt(format_args!(
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"{}: {}\n",
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str::from_utf8_unchecked(c_str(s)),
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- str::from_utf8_unchecked(c_str(strerror))
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+ str::from_utf8_unchecked(c_str(buf.as_mut_ptr() as *mut c_char))
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));
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}
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