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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-18 18:55:44 +0000 |
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| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-18 18:55:44 +0000 |
| commit | 3534b428629be185e096be99e3bd5fdfe32d5544 (patch) | |
| tree | 210ef3198ed66bc7f7b7bf6a85e4579f455e5a36 /doc/libstddjb/lolstdio.html | |
| download | skalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz | |
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'doc/libstddjb/lolstdio.html')
| -rw-r--r-- | doc/libstddjb/lolstdio.html | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/doc/libstddjb/lolstdio.html b/doc/libstddjb/lolstdio.html new file mode 100644 index 0000000..e059f24 --- /dev/null +++ b/doc/libstddjb/lolstdio.html @@ -0,0 +1,91 @@ +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> + <meta http-equiv="Content-Language" content="en" /> + <title>skalibs: the lolstdio library interface</title> + <meta name="Description" content="skalibs: the lolstdio library interface" /> + <meta name="Keywords" content="skalibs c unix stdio lol printf fprintf library libstddjb" /> + <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> --> + </head> +<body> + +<p> +<a href="index.html">libstddjb</a><br /> +<a href="../libskarnet.html">libskarnet</a><br /> +<a href="../index.html">skalibs</a><br /> +<a href="http://skarnet.org/software/">Software</a><br /> +<a href="http://skarnet.org/">skarnet.org</a> +</p> + +<h1> The <tt>lolstdio</tt> library interface </h1> + +<p> + The following functions are declared in the <tt>skalibs/lolstdio.h</tt> header, +and implemented in the <tt>libskarnet.a</tt> or <tt>libskarnet.so</tt> library. +</p> + +<h2> General information </h2> + +<p> + <tt>lolstdio</tt> is a set of convenience functions providing +<a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/printf.html">printf</a>-style +formatting but interacting with <a href="buffer.html">buffers</a> or +<a href="bufalloc.html">bufallocs</a> instead of stdio FILEs. +</p> + +<p> + Like any printf-style functions, the lolstdio functions are rather +complex and inefficient, and not recommended for general use; they are +provided as a quick and dirty way to debug or test things. Programmers +are advised to use the <a href="fmtscan.html">type-specific formatting +functions</a> instead in production-quality code. +</p> + +<p> + Be aware that functions writing into buffers interact badly with +non-blocking fds (and asynchronism in general) - just as you cannot +use FILEs with non-blocking output. Functions writing into bufallocs, +however, are fine, because bufallocs are much more suited to asynchronous +writing than fixed-size buffers or FILEs are. +</p> + +<p> + The current lolstdio implementation relies on the libc's +<a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/vsnprintf.html">vsnprintf</a> +function. +</p> + +<h2> Functions </h2> + +<p> +<code> int vbprintf (buffer *b, char const *format, va_list args) </code> <br /> +Like <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/vfprintf.html">vfprintf</a> +except that the result is written to the buffer <em>b</em>. +</p> + +<p> +<code> int bprintf (buffer *b, char const *format, ...) </code> <br /> +Like <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/fprintf.html">fprintf</a> +except that the result is written to the buffer <em>b</em>. +</p> + +<p> +<code> int lolprintf (char const *format, ...) </code> <br /> +Like <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/printf.html">printf</a> +except that the result is written to the buffer <tt>buffer_1</tt>. +</p> + +<p> +<code> int vbaprintf (bufalloc *ba, char const *format, va_list args) </code> <br /> +Like <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/vfprintf.html">vfprintf</a> +except that the result is written to the bufalloc <em>ba</em>. +</p> + +<p> +<code> int baprintf (bufalloc *ba, char const *format, ...) </code> <br /> +Like <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/fprintf.html">fprintf</a> +except that the result is written to the bufalloc <em>ba</em>. +</p> + +</body> +</html> |