From 3cc215caebcbf02faa49afe198fda3fb3f166c9e Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Thu, 22 Nov 2018 19:24:48 -0700
Subject: [PATCH] Add freading, fwriting, and stdio_ext.h header
---
include/stdio_ext.h | 6 ++++++
src/header/stdio/ext.rs | 20 ++++++++++++++++++--
2 files changed, 24 insertions(+), 2 deletions(-)
create mode 100644 include/stdio_ext.h
diff --git a/include/stdio_ext.h b/include/stdio_ext.h
new file mode 100644
index 000000000..aa95d16fc
--- /dev/null
+++ b/include/stdio_ext.h
@@ -0,0 +1,6 @@
+#ifndef _STDIO_EXT_H
+#define _STDIO_EXT_H
+
+#include <stdio.h>
+
+#endif /* _STDIO_EXT_H */
diff --git a/src/header/stdio/ext.rs b/src/header/stdio/ext.rs
index b33c649d6..02e9859e2 100644
--- a/src/header/stdio/ext.rs
+++ b/src/header/stdio/ext.rs
@@ -1,6 +1,13 @@
use header::stdio::{FILE, F_NORD, F_NOWR};
use platform::types::*;
+#[no_mangle]
+pub extern "C" fn __fpending(stream: *mut FILE) -> size_t {
+ let mut stream = unsafe { &mut *stream }.lock();
+
+ stream.writer.inner.buf.len() as size_t
+}
+
#[no_mangle]
pub extern "C" fn __freadable(stream: *mut FILE) -> c_int {
let mut stream = unsafe { &mut *stream }.lock();
@@ -15,9 +22,18 @@ pub extern "C" fn __fwritable(stream: *mut FILE) -> c_int {
(stream.flags & F_NOWR == 0) as c_int
}
+//TODO: Check last operation when read-write
#[no_mangle]
-pub extern "C" fn __fpending(stream: *mut FILE) -> size_t {
+pub extern "C" fn __freading(stream: *mut FILE) -> c_int {
let mut stream = unsafe { &mut *stream }.lock();
- stream.writer.inner.buf.len() as size_t
+ (stream.flags & F_NORD == 0) as c_int
+}
+
+//TODO: Check last operation when read-write
+#[no_mangle]
+pub extern "C" fn __fwriting(stream: *mut FILE) -> c_int {
+ let mut stream = unsafe { &mut *stream }.lock();
+
+ (stream.flags & F_NOWR == 0) as c_int
}
--
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