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diff --git a/public/fd_printf.html b/public/fd_printf.html index ff35631..79266ca 100644 --- a/public/fd_printf.html +++ b/public/fd_printf.html @@ -9,11 +9,15 @@ <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> +<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> +<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() */ @@ -36,8 +40,12 @@ fd_printf(int fd, const char *format, ...) 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> +<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> |