From e9cecfead3b4cf5787d80c009a31dd4833cf33dd Mon Sep 17 00:00:00 2001
From: Tom Almeida <tommoa256@gmail.com>
Date: Tue, 3 Jul 2018 09:48:21 +0800
Subject: [PATCH] Return -1 for error in printf
---
src/stdio/src/printf.rs | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/stdio/src/printf.rs b/src/stdio/src/printf.rs
index da12b07c..813213f4 100644
--- a/src/stdio/src/printf.rs
+++ b/src/stdio/src/printf.rs
@@ -97,11 +97,11 @@ pub unsafe fn printf<W: Write>(mut w: W, format: *const c_char, mut ap: VaList)
'#' => Ok(()),
'0'...'9' => Ok(()),
_ => Ok(()),
- }.expect("Error writing!")
+ }.map_err(|_| return -1).unwrap()
} else if b == b'%' {
found_percent = true;
} else {
- w.write_u8(b).expect("Error writing char!");
+ w.write_u8(b).map_err(|_| return -1).unwrap()
}
}
--
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