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<h1>popt/poptconfig.c</h1><a href="poptconfig_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00005"></a>00005 <span class="comment">/* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING</span>
<a name="l00006"></a>00006 <span class="comment"> file accompanying popt source distributions, available from </span>
<a name="l00007"></a>00007 <span class="comment"> ftp://ftp.rpm.org/pub/rpm/dist. */</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#include "<a class="code" href="system_8h.html">system.h</a>"</span>
<a name="l00010"></a>00010 <span class="preprocessor">#include "<a class="code" href="poptint_8h.html">poptint.h</a>"</span>
<a name="l00011"></a>00011 <span class="comment">/*@access poptContext @*/</span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="comment">/*@-compmempass@*/</span> <span class="comment">/* FIX: item->option.longName kept, not dependent. */</span>
<a name="l00014"></a><a class="code" href="poptconfig_8c.html#54ea2d71bd8a5de5b74f50a5b15dfb2b">00014</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="poptconfig_8c.html#54ea2d71bd8a5de5b74f50a5b15dfb2b">configLine</a>(<a class="code" href="structpoptContext__s.html">poptContext</a> con, <span class="keywordtype">char</span> * line)
<a name="l00015"></a>00015 <span class="comment">/*@modifies con @*/</span>
<a name="l00016"></a>00016 {
<a name="l00017"></a>00017 size_t nameLength;
<a name="l00018"></a>00018 <span class="keyword">const</span> <span class="keywordtype">char</span> * entryType;
<a name="l00019"></a>00019 <span class="keyword">const</span> <span class="keywordtype">char</span> * opt;
<a name="l00020"></a>00020 <a class="code" href="structpoptItem__s.html">poptItem</a> item = <a class="code" href="system_8h.html#eb1df3e83fb069eaa2eb66ace3a0ea52">alloca</a>(<span class="keyword">sizeof</span>(*item));
<a name="l00021"></a>00021 <span class="keywordtype">int</span> i, j;
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="keywordflow">if</span> (con-><a class="code" href="structpoptContext__s.html#afe275efe496fa1217d5d8dff6434aa9">appName</a> == NULL)
<a name="l00024"></a>00024 <span class="keywordflow">return</span>;
<a name="l00025"></a>00025 nameLength = strlen(con-><a class="code" href="structpoptContext__s.html#afe275efe496fa1217d5d8dff6434aa9">appName</a>);
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="comment">/*@-boundswrite@*/</span>
<a name="l00028"></a>00028 memset(item, 0, <span class="keyword">sizeof</span>(*item));
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="keywordflow">if</span> (strncmp(line, con-><a class="code" href="structpoptContext__s.html#afe275efe496fa1217d5d8dff6434aa9">appName</a>, nameLength)) <span class="keywordflow">return</span>;
<a name="l00031"></a>00031
<a name="l00032"></a>00032 line += nameLength;
<a name="l00033"></a>00033 <span class="keywordflow">if</span> (*line == <span class="charliteral">'\0'</span> || !isspace(*line)) <span class="keywordflow">return</span>;
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keywordflow">while</span> (*line != <span class="charliteral">'\0'</span> && isspace(*line)) line++;
<a name="l00036"></a>00036 entryType = line;
<a name="l00037"></a>00037 <span class="keywordflow">while</span> (*line == <span class="charliteral">'\0'</span> || !isspace(*line)) line++;
<a name="l00038"></a>00038 *line++ = <span class="charliteral">'\0'</span>;
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keywordflow">while</span> (*line != <span class="charliteral">'\0'</span> && isspace(*line)) line++;
<a name="l00041"></a>00041 <span class="keywordflow">if</span> (*line == <span class="charliteral">'\0'</span>) <span class="keywordflow">return</span>;
<a name="l00042"></a>00042 opt = line;
<a name="l00043"></a>00043 <span class="keywordflow">while</span> (*line == <span class="charliteral">'\0'</span> || !isspace(*line)) line++;
<a name="l00044"></a>00044 *line++ = <span class="charliteral">'\0'</span>;
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keywordflow">while</span> (*line != <span class="charliteral">'\0'</span> && isspace(*line)) line++;
<a name="l00047"></a>00047 <span class="keywordflow">if</span> (*line == <span class="charliteral">'\0'</span>) <span class="keywordflow">return</span>;
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">/*@-temptrans@*/</span> <span class="comment">/* FIX: line alias is saved */</span>
<a name="l00050"></a>00050 <span class="keywordflow">if</span> (opt[0] == <span class="charliteral">'-'</span> && opt[1] == <span class="charliteral">'-'</span>)
<a name="l00051"></a>00051 item->option.longName = opt + 2;
<a name="l00052"></a>00052 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (opt[0] == <span class="charliteral">'-'</span> && opt[2] == <span class="charliteral">'\0'</span>)
<a name="l00053"></a>00053 item->option.shortName = opt[1];
<a name="l00054"></a>00054 <span class="comment">/*@=temptrans@*/</span>
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (<a class="code" href="group__popt.html#gabb6e8c769648273171f3f3ec9c0e471">poptParseArgvString</a>(line, &item->argc, &item->argv)) <span class="keywordflow">return</span>;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">/*@-modobserver@*/</span>
<a name="l00059"></a>00059 item->option.argInfo = <a class="code" href="popt_8h.html#1f108633e1f7f983f4a5a478176dee4a">POPT_ARGFLAG_DOC_HIDDEN</a>;
<a name="l00060"></a>00060 <span class="keywordflow">for</span> (i = 0, j = 0; i < item->argc; i++, j++) {
<a name="l00061"></a>00061 <span class="keyword">const</span> <span class="keywordtype">char</span> * f;
<a name="l00062"></a>00062 <span class="keywordflow">if</span> (!strncmp(item->argv[i], <span class="stringliteral">"--POPTdesc="</span>, <span class="keyword">sizeof</span>(<span class="stringliteral">"--POPTdesc="</span>)-1)) {
<a name="l00063"></a>00063 f = item->argv[i] + <span class="keyword">sizeof</span>(<span class="stringliteral">"--POPTdesc="</span>);
<a name="l00064"></a>00064 if (f[0] == <span class="charliteral">'$'</span> && f[1] == <span class="charliteral">'"'</span>) f++;
<a name="l00065"></a>00065 item->option.descrip = f;
<a name="l00066"></a>00066 item->option.argInfo &= ~<a class="code" href="popt_8h.html#1f108633e1f7f983f4a5a478176dee4a">POPT_ARGFLAG_DOC_HIDDEN</a>;
<a name="l00067"></a>00067 j--;
<a name="l00068"></a>00068 } <span class="keywordflow">else</span>
<a name="l00069"></a>00069 <span class="keywordflow">if</span> (!strncmp(item->argv[i], <span class="stringliteral">"--POPTargs="</span>, <span class="keyword">sizeof</span>(<span class="stringliteral">"--POPTargs="</span>)-1)) {
<a name="l00070"></a>00070 f = item->argv[i] + <span class="keyword">sizeof</span>(<span class="stringliteral">"--POPTargs="</span>);
<a name="l00071"></a>00071 if (f[0] == <span class="charliteral">'$'</span> && f[1] == <span class="charliteral">'"'</span>) f++;
<a name="l00072"></a>00072 item->option.argDescrip = f;
<a name="l00073"></a>00073 item->option.argInfo &= ~<a class="code" href="popt_8h.html#1f108633e1f7f983f4a5a478176dee4a">POPT_ARGFLAG_DOC_HIDDEN</a>;
<a name="l00074"></a>00074 item->option.argInfo |= <a class="code" href="popt_8h.html#9a9fdc308379d49592585008126c28b1">POPT_ARG_STRING</a>;
<a name="l00075"></a>00075 j--;
<a name="l00076"></a>00076 } <span class="keywordflow">else</span>
<a name="l00077"></a>00077 <span class="keywordflow">if</span> (j != i)
<a name="l00078"></a>00078 item->argv[j] = item->argv[i];
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (j != i) {
<a name="l00081"></a>00081 item->argv[j] = NULL;
<a name="l00082"></a>00082 item->argc = j;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 <span class="comment">/*@=modobserver@*/</span>
<a name="l00085"></a>00085 <span class="comment">/*@=boundswrite@*/</span>
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="comment">/*@-nullstate@*/</span> <span class="comment">/* FIX: item->argv[] may be NULL */</span>
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (!strcmp(entryType, <span class="stringliteral">"alias"</span>))
<a name="l00089"></a>00089 (<span class="keywordtype">void</span>) <a class="code" href="group__popt.html#g5d5b852dd906dea5d13b5c9934242ea9">poptAddItem</a>(con, item, 0);
<a name="l00090"></a>00090 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!strcmp(entryType, <span class="stringliteral">"exec"</span>))
<a name="l00091"></a>00091 (<span class="keywordtype">void</span>) <a class="code" href="group__popt.html#g5d5b852dd906dea5d13b5c9934242ea9">poptAddItem</a>(con, item, 1);
<a name="l00092"></a>00092 <span class="comment">/*@=nullstate@*/</span>
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 <span class="comment">/*@=compmempass@*/</span>
<a name="l00095"></a>00095
<a name="l00096"></a><a class="code" href="group__popt.html#g8f0347f05b72315b7a29abb013a9d162">00096</a> <span class="keywordtype">int</span> <a class="code" href="group__popt.html#g8f0347f05b72315b7a29abb013a9d162">poptReadConfigFile</a>(<a class="code" href="structpoptContext__s.html">poptContext</a> con, <span class="keyword">const</span> <span class="keywordtype">char</span> * fn)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <span class="keyword">const</span> <span class="keywordtype">char</span> * <a class="code" href="parseFiles_8c.html#f0baa3ccdd9d2a6adf03b72e2bea5789">file</a>, * chptr, * end;
<a name="l00099"></a>00099 <span class="keywordtype">char</span> * buf;
<a name="l00100"></a>00100 <span class="comment">/*@dependent@*/</span> <span class="keywordtype">char</span> * dst;
<a name="l00101"></a>00101 <span class="keywordtype">int</span> fd, rc;
<a name="l00102"></a>00102 off_t fileLength;
<a name="l00103"></a>00103
<a name="l00104"></a>00104 fd = open(fn, O_RDONLY);
<a name="l00105"></a>00105 <span class="keywordflow">if</span> (fd < 0)
<a name="l00106"></a>00106 <span class="keywordflow">return</span> (<a class="code" href="system_8h.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a> == ENOENT ? 0 : <a class="code" href="popt_8h.html#94d19f2335b8a6d1b0862edcd4823b3d">POPT_ERROR_ERRNO</a>);
<a name="l00107"></a>00107
<a name="l00108"></a>00108 fileLength = lseek(fd, 0, <a class="code" href="system_8h.html#d2a2e6c114780c3071efd24f16c7f7d8">SEEK_END</a>);
<a name="l00109"></a>00109 <span class="keywordflow">if</span> (fileLength == -1 || lseek(fd, 0, 0) == -1) {
<a name="l00110"></a>00110 rc = <a class="code" href="system_8h.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a>;
<a name="l00111"></a>00111 (void) close(fd);
<a name="l00112"></a>00112 <a class="code" href="system_8h.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a> = rc;
<a name="l00113"></a>00113 <span class="keywordflow">return</span> POPT_ERROR_ERRNO;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 file = <a class="code" href="system_8h.html#eb1df3e83fb069eaa2eb66ace3a0ea52">alloca</a>(fileLength + 1);
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (read(fd, (<span class="keywordtype">char</span> *)file, fileLength) != fileLength) {
<a name="l00118"></a>00118 rc = <a class="code" href="system_8h.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a>;
<a name="l00119"></a>00119 (void) close(fd);
<a name="l00120"></a>00120 <a class="code" href="system_8h.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a> = rc;
<a name="l00121"></a>00121 <span class="keywordflow">return</span> POPT_ERROR_ERRNO;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 <span class="keywordflow">if</span> (close(fd) == -1)
<a name="l00124"></a>00124 <span class="keywordflow">return</span> POPT_ERROR_ERRNO;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="comment">/*@-boundswrite@*/</span>
<a name="l00127"></a>00127 dst = buf = <a class="code" href="system_8h.html#eb1df3e83fb069eaa2eb66ace3a0ea52">alloca</a>(fileLength + 1);
<a name="l00128"></a>00128
<a name="l00129"></a>00129 chptr = file;
<a name="l00130"></a>00130 end = (file + fileLength);
<a name="l00131"></a>00131 <span class="comment">/*@-infloops@*/</span> <span class="comment">/* LCL: can't detect chptr++ */</span>
<a name="l00132"></a>00132 <span class="keywordflow">while</span> (chptr < end) {
<a name="l00133"></a>00133 <span class="keywordflow">switch</span> (*chptr) {
<a name="l00134"></a>00134 <span class="keywordflow">case</span> <span class="charliteral">'\n'</span>:
<a name="l00135"></a>00135 *dst = <span class="charliteral">'\0'</span>;
<a name="l00136"></a>00136 dst = buf;
<a name="l00137"></a>00137 <span class="keywordflow">while</span> (*dst && isspace(*dst)) dst++;
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (*dst && *dst != <span class="charliteral">'#'</span>)
<a name="l00139"></a>00139 <a class="code" href="poptconfig_8c.html#54ea2d71bd8a5de5b74f50a5b15dfb2b">configLine</a>(con, dst);
<a name="l00140"></a>00140 chptr++;
<a name="l00141"></a>00141 <span class="comment">/*@switchbreak@*/</span> <span class="keywordflow">break</span>;
<a name="l00142"></a>00142 <span class="keywordflow">case</span> <span class="charliteral">'\\'</span>:
<a name="l00143"></a>00143 *dst++ = *chptr++;
<a name="l00144"></a>00144 <span class="keywordflow">if</span> (chptr < end) {
<a name="l00145"></a>00145 <span class="keywordflow">if</span> (*chptr == <span class="charliteral">'\n'</span>)
<a name="l00146"></a>00146 dst--, chptr++;
<a name="l00147"></a>00147 <span class="comment">/* \ at the end of a line does not insert a \n */</span>
<a name="l00148"></a>00148 <span class="keywordflow">else</span>
<a name="l00149"></a>00149 *dst++ = *chptr++;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151 <span class="comment">/*@switchbreak@*/</span> <span class="keywordflow">break</span>;
<a name="l00152"></a>00152 <span class="keywordflow">default</span>:
<a name="l00153"></a>00153 *dst++ = *chptr++;
<a name="l00154"></a>00154 <span class="comment">/*@switchbreak@*/</span> <span class="keywordflow">break</span>;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157 <span class="comment">/*@=infloops@*/</span>
<a name="l00158"></a>00158 <span class="comment">/*@=boundswrite@*/</span>
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="keywordflow">return</span> 0;
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162
<a name="l00163"></a><a class="code" href="group__popt.html#gffd51981d556a32e283298e7f8eca69e">00163</a> <span class="keywordtype">int</span> <a class="code" href="group__popt.html#gffd51981d556a32e283298e7f8eca69e">poptReadDefaultConfig</a>(<a class="code" href="structpoptContext__s.html">poptContext</a> con, <span class="comment">/*@unused@*/</span> <span class="keywordtype">int</span> useEnv)
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 <span class="keywordtype">char</span> * fn, * home;
<a name="l00166"></a>00166 <span class="keywordtype">int</span> rc;
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keywordflow">if</span> (con-><a class="code" href="structpoptContext__s.html#afe275efe496fa1217d5d8dff6434aa9">appName</a> == NULL) <span class="keywordflow">return</span> 0;
<a name="l00169"></a>00169
<a name="l00170"></a>00170 rc = <a class="code" href="group__popt.html#g8f0347f05b72315b7a29abb013a9d162">poptReadConfigFile</a>(con, <span class="stringliteral">"/etc/popt"</span>);
<a name="l00171"></a>00171 <span class="keywordflow">if</span> (rc) <span class="keywordflow">return</span> rc;
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keywordflow">if</span> ((home = <a class="code" href="system_8h.html#bc6595dbf6880c71628fecf0dbb23d66">getenv</a>(<span class="stringliteral">"HOME"</span>))) {
<a name="l00174"></a>00174 fn = <a class="code" href="system_8h.html#eb1df3e83fb069eaa2eb66ace3a0ea52">alloca</a>(strlen(home) + 20);
<a name="l00175"></a>00175 strcpy(fn, home);
<a name="l00176"></a>00176 strcat(fn, <span class="stringliteral">"/.popt"</span>);
<a name="l00177"></a>00177 rc = <a class="code" href="group__popt.html#g8f0347f05b72315b7a29abb013a9d162">poptReadConfigFile</a>(con, fn);
<a name="l00178"></a>00178 <span class="keywordflow">if</span> (rc) <span class="keywordflow">return</span> rc;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keywordflow">return</span> 0;
<a name="l00182"></a>00182 }
</pre></div><hr size="1"><address style="align: right;"><small>Generated on 1 Oct 2013 for rpm by
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