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std: factor out the write syscall and make it public

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Andrew Kelley 2015-12-14 03:06:54 -07:00
parent e411467e1d
commit 630917b29b
1 changed files with 7 additions and 3 deletions
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std/std.zig
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@ -13,11 +13,15 @@ fn syscall3(number: isize, arg1: isize, arg2: isize, arg3: isize) -> isize {
return result; return result;
} }
// TODO constants for SYS_write and stdout_fileno
pub fn write(fd: isize, buf: *const u8, count: usize) -> isize {
let SYS_write : isize = 1;
return syscall3(SYS_write, fd, buf as isize, count as isize);
}
// TODO error handling // TODO error handling
// TODO handle buffering and flushing // TODO handle buffering and flushing
// TODO constants for SYS_write and stdout_fileno
pub fn print_str(str : string) -> isize { pub fn print_str(str : string) -> isize {
let SYS_write : isize = 1;
let stdout_fileno : isize = 1; let stdout_fileno : isize = 1;
return syscall3(SYS_write, stdout_fileno, str.ptr as isize, str.len as isize); return write(stdout_fileno, str.ptr, str.len);
} }