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Changed object type of function pointers from Option<*const (Fn(...))> to Option<fn(...)> for readability

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This commit is contained in:
Tom Almeida
2018-03-16 23:14:43 +08:00
parent 81d96c214a
commit 659d3d1042
4 changed files with 20 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/stdio/src/default.rs
+3 -3
View File
@@ -20,7 +20,7 @@ static mut default_stdin: FILE = FILE {
unget: UNGET,
lock: AtomicBool::new(false),
write: None,
read: Some(&internal::stdio_read),
read: Some(internal::stdio_read),
seek: None,
};
@@ -41,7 +41,7 @@ static mut default_stdout: FILE = FILE {
buf_char: b'\n' as i8,
unget: 0,
lock: AtomicBool::new(false),
write: Some(&internal::stdio_write),
write: Some(internal::stdio_write),
read: None,
seek: None,
};
@@ -63,7 +63,7 @@ static mut default_stderr: FILE = FILE {
buf_char: -1,
unget: 0,
lock: AtomicBool::new(false),
write: Some(&internal::stdio_write),
write: Some(internal::stdio_write),
read: None,
seek: None,
};
src/stdio/src/helpers.rs
+7 -7
View File
@@ -78,9 +78,9 @@ pub unsafe fn _fdopen(fd: c_int, mode: *const c_char) -> *mut FILE {
buf_char: -1,
unget: UNGET,
lock: AtomicBool::new(false),
write: Some(&internal::stdio_write),
read: Some(&internal::stdio_read),
seek: Some(&internal::stdio_seek),
write: Some(internal::stdio_write),
read: Some(internal::stdio_read),
seek: Some(internal::stdio_seek),
};
file
}
@@ -97,7 +97,7 @@ pub unsafe fn fwritex(buf: *const u8, l: size_t, stream: *mut FILE) -> size_t {
}
if l > (*stream).wend as usize - (*stream).wpos as usize {
// We can't fit all of buf in the buffer
return (*stream_write)(stream, buf, l);
return stream_write(stream, buf, l);
}
let i = if (*stream).buf_char >= 0 {
@@ -106,7 +106,7 @@ pub unsafe fn fwritex(buf: *const u8, l: size_t, stream: *mut FILE) -> size_t {
i -= 1;
}
if i > 0 {
let n = (*stream_write)(stream, buf, i);
let n = stream_write(stream, buf, i);
if n < i {
return n;
}
@@ -131,7 +131,7 @@ pub unsafe fn fwritex(buf: *const u8, l: size_t, stream: *mut FILE) -> size_t {
pub unsafe fn fflush_unlocked(stream: *mut FILE) -> c_int {
if (*stream).wpos > (*stream).wbase {
if let Some(f) = (*stream).write {
(*f)(stream, ptr::null(), 0);
f(stream, ptr::null(), 0);
if (*stream).wpos.is_null() {
return -1;
}
@@ -142,7 +142,7 @@ pub unsafe fn fflush_unlocked(stream: *mut FILE) -> c_int {
if (*stream).rpos < (*stream).rend {
if let Some(s) = (*stream).seek {
(*s)(
s(
stream,
(*stream).rpos as i64 - (*stream).rend as i64,
SEEK_CUR,
src/stdio/src/internal.rs
+2 -2
View File
@@ -83,7 +83,7 @@ pub unsafe fn to_read(stream: *mut FILE) -> bool {
if (*stream).wpos > (*stream).wbase {
if let Some(f) = (*stream).write {
(*f)(stream, ptr::null(), 0);
f(stream, ptr::null(), 0);
}
}
(*stream).wpos = ptr::null_mut();
@@ -123,7 +123,7 @@ pub unsafe fn to_write(stream: *mut FILE) -> bool {
pub unsafe fn ftello(stream: *mut FILE) -> off_t {
if let Some(s) = (*stream).seek {
let pos = (*s)(
let pos = s(
stream,
0,
if ((*stream).flags & constants::F_APP > 0) && (*stream).wpos > (*stream).wbase {
src/stdio/src/lib.rs
+8 -8
View File
@@ -50,9 +50,9 @@ pub struct FILE {
buf_char: i8,
lock: AtomicBool,
unget: size_t,
write: Option<*const (Fn(*mut FILE, *const u8, usize) -> size_t)>,
read: Option<*const (Fn(*mut FILE, *mut u8, usize) -> size_t)>,
seek: Option<*const (Fn(*mut FILE, off_t, c_int) -> off_t)>,
write: Option<(fn(*mut FILE, *const u8, usize) -> size_t)>,
read: Option<(fn(*mut FILE, *mut u8, usize) -> size_t)>,
seek: Option<(fn(*mut FILE, off_t, c_int) -> off_t)>,
}
/// Clears EOF and ERR indicators on a stream
@@ -291,7 +291,7 @@ pub unsafe extern "C" fn fread(
0
} else {
if let Some(f) = (*stream).read {
(*f)(stream, dest, l as usize)
f(stream, dest, l as usize)
} else {
0
}
@@ -378,7 +378,7 @@ pub unsafe extern "C" fn fseeko(stream: *mut FILE, offset: off_t, whence: c_int)
}
if (*stream).wpos > (*stream).wbase {
if let Some(f) = (*stream).write {
(*f)(stream, ptr::null(), 0);
f(stream, ptr::null(), 0);
if (*stream).wpos.is_null() {
return -1;
}
@@ -388,7 +388,7 @@ pub unsafe extern "C" fn fseeko(stream: *mut FILE, offset: off_t, whence: c_int)
(*stream).wend = ptr::null_mut();
(*stream).wbase = ptr::null_mut();
if let Some(s) = (*stream).seek {
if (*s)(stream, off, whence) < 0 {
if s(stream, off, whence) < 0 {
return -1;
}
} else {
@@ -481,7 +481,7 @@ pub unsafe extern "C" fn getc_unlocked(stream: *mut FILE) -> c_int {
} else {
if let Some(read) = (*stream).read {
let mut c = 0u8;
if !internal::to_read(stream) && (*read)(stream, &mut c, 1) == 1 {
if !internal::to_read(stream) && read(stream, &mut c, 1) == 1 {
c as c_int
} else {
-1
@@ -575,7 +575,7 @@ pub unsafe extern "C" fn putc_unlocked(c: c_int, stream: *mut FILE) -> c_int {
*(*stream).wpos = c as u8;
(*stream).wpos = (*stream).wpos.add(1);
c
} else if (*write)(stream, &c as *const i32 as *const _, 1) != 1 {
} else if write(stream, &c as *const i32 as *const _, 1) != 1 {
-1
} else {
c