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 <span id="projectnumber">2.3.4</span>
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<div class="headertitle"><div class="title">buf.c</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*-</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> *</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * librsync -- the library for network deltas</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * Copyright (C) 2000, 2001 by Martin Pool <[email protected]></span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * This program is free software; you can redistribute it and/or</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * modify it under the terms of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * as published by the Free Software Foundation; either version 2.1 of</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * the License, or (at your option) any later version.</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> *</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * This program is distributed in the hope that it will be useful, but</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> *</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> * License along with this program; if not, write to the Free Software</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment"> * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"> */</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="comment">/*=</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment"> | Pick a window, Jimmy, you're leaving.</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="comment"> */</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "config.h"</span> <span class="comment">/* IWYU pragma: keep */</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include <assert.h></span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include <stdlib.h></span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include <errno.h></span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include <string.h></span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="librsync_8h.html">librsync.h</a>"</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "<a class="code" href="buf_8h.html">buf.h</a>"</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "<a class="code" href="job_8h.html">job.h</a>"</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="trace_8h.html">trace.h</a>"</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "<a class="code" href="util_8h.html">util.h</a>"</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="structrs__filebuf.html"> 37</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structrs__filebuf.html">rs_filebuf</a> {</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> FILE *f;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordtype">char</span> *buf;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordtype">size_t</span> buf_len;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>};</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><a class="code hl_struct" href="structrs__filebuf.html">rs_filebuf_t</a> *rs_filebuf_new(FILE *f, <span class="keywordtype">size_t</span> buf_len)</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>{</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <a class="code hl_struct" href="structrs__filebuf.html">rs_filebuf_t</a> *pf = <a class="code hl_define" href="util_8h.html#a41c6b69743a950d4753a4273982c0c20">rs_alloc_struct</a>(<a class="code hl_struct" href="structrs__filebuf.html">rs_filebuf_t</a>);</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> pf->buf = rs_alloc(buf_len, <span class="stringliteral">"file buffer"</span>);</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> pf->buf_len = buf_len;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> pf->f = f;</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">return</span> pf;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>}</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="keywordtype">void</span> rs_filebuf_free(<a class="code hl_struct" href="structrs__filebuf.html">rs_filebuf_t</a> *fb)</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>{</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> free(fb->buf);</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> rs_bzero(fb, <span class="keyword">sizeof</span> *fb);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> free(fb);</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>}</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="comment">/* If the stream has no more data available, read some from F into BUF, and let</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="comment"> the stream use that. On return, SEEN_EOF is true if the end of file has</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="comment"> passed into the stream. */</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><a class="code hl_enumeration" href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253">rs_result</a> rs_infilebuf_fill(<a class="code hl_struct" href="structrs__job.html">rs_job_t</a> *job, <a class="code hl_struct" href="structrs__buffers__s.html">rs_buffers_t</a> *buf, <span class="keywordtype">void</span> *opaque)</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span>{</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordtype">size_t</span> len;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_struct" href="structrs__filebuf.html">rs_filebuf_t</a> *fb = (<a class="code hl_struct" href="structrs__filebuf.html">rs_filebuf_t</a> *)opaque;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> FILE *f = fb->f;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="comment">/* If buf has data, it must be in the buffer. */</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">if</span> (buf-><a class="code hl_variable" href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">avail_in</a>) {</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> assert(buf-><a class="code hl_variable" href="structrs__buffers__s.html#a6d5d12a1ced9a3a8891259e09c80ec20">next_in</a> >= fb->buf);</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> assert(buf-><a class="code hl_variable" href="structrs__buffers__s.html#a6d5d12a1ced9a3a8891259e09c80ec20">next_in</a> + buf-><a class="code hl_variable" href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">avail_in</a> <= fb->buf + fb->buf_len);</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">if</span> (buf-><a class="code hl_variable" href="structrs__buffers__s.html#aa6783da2d894c77178155759cd12d16f">eof_in</a>) {</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253a739063053a289b5c3393d78cc77b41b2">RS_DONE</a>;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (buf-><a class="code hl_variable" href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">avail_in</a> > fb->buf_len / 2) {</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="comment">/* Buf is already full enough, do nothing. */</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253a739063053a289b5c3393d78cc77b41b2">RS_DONE</a>;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (buf-><a class="code hl_variable" href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">avail_in</a>) {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="comment">/* Some leftover tail data, move it to the front of the buffer. */</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> rs_trace(<span class="stringliteral">"moving buffer "</span> FMT_SIZE <span class="stringliteral">" bytes to reuse "</span> FMT_SIZE <span class="stringliteral">" bytes"</span>,</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> buf-><a class="code hl_variable" href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">avail_in</a>, (<span class="keywordtype">size_t</span>)(buf-><a class="code hl_variable" href="structrs__buffers__s.html#a6d5d12a1ced9a3a8891259e09c80ec20">next_in</a> - fb->buf));</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> memmove(fb->buf, buf-><a class="code hl_variable" href="structrs__buffers__s.html#a6d5d12a1ced9a3a8891259e09c80ec20">next_in</a>, buf-><a class="code hl_variable" href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">avail_in</a>);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> }</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> buf-><a class="code hl_variable" href="structrs__buffers__s.html#a6d5d12a1ced9a3a8891259e09c80ec20">next_in</a> = fb->buf;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> len = fread(fb->buf + buf-><a class="code hl_variable" href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">avail_in</a>, 1, fb->buf_len - buf-><a class="code hl_variable" href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">avail_in</a>, f);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">if</span> (len == 0) {</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">if</span> ((buf-><a class="code hl_variable" href="structrs__buffers__s.html#aa6783da2d894c77178155759cd12d16f">eof_in</a> = feof(f))) {</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> rs_trace(<span class="stringliteral">"seen end of file on input"</span>);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253a739063053a289b5c3393d78cc77b41b2">RS_DONE</a>;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> rs_error(<span class="stringliteral">"error filling buf from file: %s"</span>, strerror(errno));</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253af510cfd1ede72dbfea416d3f295e6c6f">RS_IO_ERROR</a>;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> }</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> buf-><a class="code hl_variable" href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">avail_in</a> += len;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> job-><a class="code hl_variable" href="structrs__job.html#ae84dc982a6e97d457d2f5b841256210e">stats</a>.<a class="code hl_variable" href="structrs__stats.html#afc6c46001cdce8922e443946c4151051">in_bytes</a> += len;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253a739063053a289b5c3393d78cc77b41b2">RS_DONE</a>;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span>}</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="comment">/* The buf is already using BUF for an output buffer, and probably contains</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="comment"> some buffered output now. Write this out to F, and reset the buffer cursor. */</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span><a class="code hl_enumeration" href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253">rs_result</a> rs_outfilebuf_drain(<a class="code hl_struct" href="structrs__job.html">rs_job_t</a> *job, <a class="code hl_struct" href="structrs__buffers__s.html">rs_buffers_t</a> *buf, <span class="keywordtype">void</span> *opaque)</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span>{</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_struct" href="structrs__filebuf.html">rs_filebuf_t</a> *fb = (<a class="code hl_struct" href="structrs__filebuf.html">rs_filebuf_t</a> *)opaque;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> FILE *f = fb->f;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">/* If next_out is NULL, we haven't pointed it at fb->buf yet. */</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">if</span> (!buf-><a class="code hl_variable" href="structrs__buffers__s.html#af3a6532c3e300a07783d61680cbdc11f">next_out</a>) {</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> assert(buf-><a class="code hl_variable" href="structrs__buffers__s.html#ae60f3db2f518d74aee13a02b7c9619a2">avail_out</a> == 0);</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> buf-><a class="code hl_variable" href="structrs__buffers__s.html#af3a6532c3e300a07783d61680cbdc11f">next_out</a> = fb->buf;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> buf-><a class="code hl_variable" href="structrs__buffers__s.html#ae60f3db2f518d74aee13a02b7c9619a2">avail_out</a> = fb->buf_len;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> }</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="comment">/* The buf output buffer must be at the end of fb->buf. */</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> assert(buf-><a class="code hl_variable" href="structrs__buffers__s.html#af3a6532c3e300a07783d61680cbdc11f">next_out</a> >= fb->buf);</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> assert(buf-><a class="code hl_variable" href="structrs__buffers__s.html#af3a6532c3e300a07783d61680cbdc11f">next_out</a> + buf-><a class="code hl_variable" href="structrs__buffers__s.html#ae60f3db2f518d74aee13a02b7c9619a2">avail_out</a> == fb->buf + fb->buf_len);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordtype">size_t</span> present = buf-><a class="code hl_variable" href="structrs__buffers__s.html#af3a6532c3e300a07783d61680cbdc11f">next_out</a> - fb->buf;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">if</span> (present > 0) {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordtype">size_t</span> result = fwrite(fb->buf, 1, present, f);</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">if</span> (present != result) {</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> rs_error(<span class="stringliteral">"error draining buf to file: %s"</span>, strerror(errno));</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253af510cfd1ede72dbfea416d3f295e6c6f">RS_IO_ERROR</a>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> }</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> buf-><a class="code hl_variable" href="structrs__buffers__s.html#af3a6532c3e300a07783d61680cbdc11f">next_out</a> = fb->buf;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> buf-><a class="code hl_variable" href="structrs__buffers__s.html#ae60f3db2f518d74aee13a02b7c9619a2">avail_out</a> = fb->buf_len;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> job-><a class="code hl_variable" href="structrs__job.html#ae84dc982a6e97d457d2f5b841256210e">stats</a>.<a class="code hl_variable" href="structrs__stats.html#ace1905d4a0a8d1dfd76a94051afbe571">out_bytes</a> += result;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> }</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253a739063053a289b5c3393d78cc77b41b2">RS_DONE</a>;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span>}</div>
<div class="ttc" id="abuf_8h_html"><div class="ttname"><a href="buf_8h.html">buf.h</a></div><div class="ttdoc">Buffers that map between stdio file streams and librsync streams.</div></div>
<div class="ttc" id="ajob_8h_html"><div class="ttname"><a href="job_8h.html">job.h</a></div><div class="ttdoc">Generic state-machine interface.</div></div>
<div class="ttc" id="alibrsync_8h_html"><div class="ttname"><a href="librsync_8h.html">librsync.h</a></div><div class="ttdoc">Public header for librsync.</div></div>
<div class="ttc" id="alibrsync_8h_html_a7feb858ceba3b8f3cf048d49be108253"><div class="ttname"><a href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253">rs_result</a></div><div class="ttdeci">rs_result</div><div class="ttdoc">Return codes from nonblocking rsync operations.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00180">librsync.h:180</a></div></div>
<div class="ttc" id="alibrsync_8h_html_a7feb858ceba3b8f3cf048d49be108253a739063053a289b5c3393d78cc77b41b2"><div class="ttname"><a href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253a739063053a289b5c3393d78cc77b41b2">RS_DONE</a></div><div class="ttdeci">@ RS_DONE</div><div class="ttdoc">Completed successfully.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00181">librsync.h:181</a></div></div>
<div class="ttc" id="alibrsync_8h_html_a7feb858ceba3b8f3cf048d49be108253af510cfd1ede72dbfea416d3f295e6c6f"><div class="ttname"><a href="librsync_8h.html#a7feb858ceba3b8f3cf048d49be108253af510cfd1ede72dbfea416d3f295e6c6f">RS_IO_ERROR</a></div><div class="ttdeci">@ RS_IO_ERROR</div><div class="ttdoc">Error in file or network IO.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00187">librsync.h:187</a></div></div>
<div class="ttc" id="astructrs__buffers__s_html"><div class="ttname"><a href="structrs__buffers__s.html">rs_buffers_s</a></div><div class="ttdoc">Description of input and output buffers.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00328">librsync.h:328</a></div></div>
<div class="ttc" id="astructrs__buffers__s_html_a6d5d12a1ced9a3a8891259e09c80ec20"><div class="ttname"><a href="structrs__buffers__s.html#a6d5d12a1ced9a3a8891259e09c80ec20">rs_buffers_s::next_in</a></div><div class="ttdeci">char * next_in</div><div class="ttdoc">Next input byte.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00334">librsync.h:334</a></div></div>
<div class="ttc" id="astructrs__buffers__s_html_a7bd5f1ea3c26587bf1106c1594712735"><div class="ttname"><a href="structrs__buffers__s.html#a7bd5f1ea3c26587bf1106c1594712735">rs_buffers_s::avail_in</a></div><div class="ttdeci">size_t avail_in</div><div class="ttdoc">Number of bytes available at next_in.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00342">librsync.h:342</a></div></div>
<div class="ttc" id="astructrs__buffers__s_html_aa6783da2d894c77178155759cd12d16f"><div class="ttname"><a href="structrs__buffers__s.html#aa6783da2d894c77178155759cd12d16f">rs_buffers_s::eof_in</a></div><div class="ttdeci">int eof_in</div><div class="ttdoc">True if there is no more data after this.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00345">librsync.h:345</a></div></div>
<div class="ttc" id="astructrs__buffers__s_html_ae60f3db2f518d74aee13a02b7c9619a2"><div class="ttname"><a href="structrs__buffers__s.html#ae60f3db2f518d74aee13a02b7c9619a2">rs_buffers_s::avail_out</a></div><div class="ttdeci">size_t avail_out</div><div class="ttdoc">Remaining free space at next_out.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00357">librsync.h:357</a></div></div>
<div class="ttc" id="astructrs__buffers__s_html_af3a6532c3e300a07783d61680cbdc11f"><div class="ttname"><a href="structrs__buffers__s.html#af3a6532c3e300a07783d61680cbdc11f">rs_buffers_s::next_out</a></div><div class="ttdeci">char * next_out</div><div class="ttdoc">Next output byte should be put there.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00351">librsync.h:351</a></div></div>
<div class="ttc" id="astructrs__filebuf_html"><div class="ttname"><a href="structrs__filebuf.html">rs_filebuf</a></div><div class="ttdef"><b>Definition:</b> <a href="buf_8c_source.html#l00037">buf.c:37</a></div></div>
<div class="ttc" id="astructrs__job_html"><div class="ttname"><a href="structrs__job.html">rs_job</a></div><div class="ttdoc">The contents of this structure are private.</div><div class="ttdef"><b>Definition:</b> <a href="job_8h_source.html#l00047">job.h:47</a></div></div>
<div class="ttc" id="astructrs__job_html_ae84dc982a6e97d457d2f5b841256210e"><div class="ttname"><a href="structrs__job.html#ae84dc982a6e97d457d2f5b841256210e">rs_job::stats</a></div><div class="ttdeci">rs_stats_t stats</div><div class="ttdoc">Encoding statistics.</div><div class="ttdef"><b>Definition:</b> <a href="job_8h_source.html#l00093">job.h:93</a></div></div>
<div class="ttc" id="astructrs__stats_html_ace1905d4a0a8d1dfd76a94051afbe571"><div class="ttname"><a href="structrs__stats.html#ace1905d4a0a8d1dfd76a94051afbe571">rs_stats::out_bytes</a></div><div class="ttdeci">rs_long_t out_bytes</div><div class="ttdoc">Total bytes written to output.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00228">librsync.h:228</a></div></div>
<div class="ttc" id="astructrs__stats_html_afc6c46001cdce8922e443946c4151051"><div class="ttname"><a href="structrs__stats.html#afc6c46001cdce8922e443946c4151051">rs_stats::in_bytes</a></div><div class="ttdeci">rs_long_t in_bytes</div><div class="ttdoc">Total bytes read from input.</div><div class="ttdef"><b>Definition:</b> <a href="librsync_8h_source.html#l00227">librsync.h:227</a></div></div>
<div class="ttc" id="atrace_8h_html"><div class="ttname"><a href="trace_8h.html">trace.h</a></div><div class="ttdoc">logging functions.</div></div>
<div class="ttc" id="autil_8h_html"><div class="ttname"><a href="util_8h.html">util.h</a></div><div class="ttdoc">Misc utility functions used by librsync.</div></div>
<div class="ttc" id="autil_8h_html_a41c6b69743a950d4753a4273982c0c20"><div class="ttname"><a href="util_8h.html#a41c6b69743a950d4753a4273982c0c20">rs_alloc_struct</a></div><div class="ttdeci">#define rs_alloc_struct(type)</div><div class="ttdoc">Allocate and zero-fill an instance of TYPE.</div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00041">util.h:41</a></div></div>
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