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diff --git a/public/fd_printf.html b/public/fd_printf.html deleted file mode 100644 index ff35631..0000000 --- a/public/fd_printf.html +++ /dev/null @@ -1,48 +0,0 @@ -<!DOCTYPE html> -<html lang="en"> -<head> - <meta charset="utf-8"> - <title>`dprintf`: print formatted text directly to a file descriptor — Luke Shumaker</title> - <link rel="stylesheet" href="assets/style.css"> - <link rel="alternate" type="application/atom+xml" href="./index.atom" name="web log entries"/> -</head> -<body> -<header><a href="/">Luke Shumaker</a> » <a href=/blog>blog</a> » fd_printf</header> -<article> -<h1 id="dprintf-print-formatted-text-directly-to-a-file-descriptor"><code>dprintf</code>: print formatted text directly to a file descriptor</h1> -<p>This already existed as <code>dprintf(3)</code>. I now feel stupid for having Implemented <code>fd_printf</code>.</p> -<p>The original post is as follows:</p> -<hr /> -<p>I wrote this while debugging some code, and thought it might be useful to others:</p> -<pre><code>#define _GNU_SOURCE /* vasprintf() */ -#include <stdarg.h> /* va_start()/va_end() */ -#include <stdio.h> /* vasprintf() */ -#include <stdlib.h> /* free() */ -#include <unistd.h> /* write() */ - -int -fd_printf(int fd, const char *format, ...) -{ - va_list arg; - int len; - char *str; - - va_start(arg, format); - len = vasprintf(&str, format, arg); - va_end(arg); - - write(fd, str, len); - - free(str); - return len; -}</code></pre> -<p>It is a version of <code>printf</code> that prints to a file descriptor—where <code>fprintf</code> prints to a <code>FILE*</code> data structure.</p> -<p>The appeal of this is that <code>FILE*</code> I/O is buffered—which means mixing it with raw file descriptor I/O is going to produce weird results.</p> - -</article> -<footer> -<p>The content of this page is Copyright © 2013 <a href="mailto:lukeshu@sbcglobal.net">Luke Shumaker</a>.</p> -<p>This page is licensed under the <a href="http://www.wtfpl.net/txt/copying/">WTFPL-2</a> license.</p> -</footer> -</body> -</html> |