1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>__bitmap_parselist</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux Kernel API"><link rel="up" href="kernel-lib.html#idp1123213284" title="Bitmap Operations"><link rel="prev" href="API-bitmap-copy-le.html" title="bitmap_copy_le"><link rel="next" href="API-bitmap-pos-to-ord.html" title="bitmap_pos_to_ord"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">__bitmap_parselist</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-bitmap-copy-le.html">Prev</a>&#160;</td><th width="60%" align="center">Bitmap Operations</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-bitmap-pos-to-ord.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API---bitmap-parselist"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>__bitmap_parselist &#8212; 
2  convert list format ASCII string to bitmap
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">__bitmap_parselist </b>(</code></td><td>const char * <var class="pdparam">buf</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">buflen</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">is_user</var>, </td></tr><tr><td>&#160;</td><td>unsigned long * <var class="pdparam">maskp</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">nmaskbits</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1123443836"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>buf</code></em></span></dt><dd><p>
4     read nul-terminated user string from this buffer
5    </p></dd><dt><span class="term"><em class="parameter"><code>buflen</code></em></span></dt><dd><p>
6     buffer size in bytes.  If string is smaller than this
7     then it must be terminated with a \0.
8    </p></dd><dt><span class="term"><em class="parameter"><code>is_user</code></em></span></dt><dd><p>
9     location of buffer, 0 indicates kernel space
10    </p></dd><dt><span class="term"><em class="parameter"><code>maskp</code></em></span></dt><dd><p>
11     write resulting mask here
12    </p></dd><dt><span class="term"><em class="parameter"><code>nmaskbits</code></em></span></dt><dd><p>
13     number of bits in mask to be written
14    </p></dd></dl></div></div><div class="refsect1"><a name="idp1123449676"></a><h2>Description</h2><p>
15   Input format is a comma-separated list of decimal numbers and
16   ranges.  Consecutively set bits are shown as two hyphen-separated
17   decimal numbers, the smallest and largest bit numbers set in
18   the range.
19   </p><p>
20
21   Returns 0 on success, -errno on invalid input strings.
22</p></div><div class="refsect1"><a name="idp1123450692"></a><h2>Error values</h2><p>
23   <code class="constant">-EINVAL</code>: second number in range smaller than first
24   <code class="constant">-EINVAL</code>: invalid character in string
25   <code class="constant">-ERANGE</code>: bit number specified too large for mask
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