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22 <h1>src/lib/lightmediascanner_utils.c</h1><a href="lightmediascanner__utils_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <<a class="code" href="lightmediascanner__utils_8h.html">lightmediascanner_utils.h</a>></span>
23 <a name="l00002"></a>00002 <span class="preprocessor">#include <ctype.h></span>
24 <a name="l00003"></a>00003 <span class="preprocessor">#include <alloca.h></span>
25 <a name="l00004"></a>00004
26 <a name="l00012"></a>00012 <span class="keywordtype">void</span>
27 <a name="l00013"></a><a class="code" href="lightmediascanner__utils_8c.html#086d2449129976541c66a83984bffbe6">00013</a> <a class="code" href="lightmediascanner__utils_8c.html#086d2449129976541c66a83984bffbe6">lms_strstrip</a>(<span class="keywordtype">char</span> *str, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *p_len)
28 <a name="l00014"></a>00014 {
29 <a name="l00015"></a>00015 <span class="keywordtype">int</span> i, len;
30 <a name="l00016"></a>00016 <span class="keywordtype">char</span> *p;
31 <a name="l00017"></a>00017
32 <a name="l00018"></a>00018 len = *p_len;
33 <a name="l00019"></a>00019
34 <a name="l00020"></a>00020 <span class="keywordflow">if</span> (len < 2) <span class="comment">/* just '\0'? */</span>
35 <a name="l00021"></a>00021 <span class="keywordflow">return</span>;
36 <a name="l00022"></a>00022
37 <a name="l00023"></a>00023 p = str + len - 1;
38 <a name="l00024"></a>00024 <span class="keywordflow">for</span> (i = len - 1; i >= 0; i--) {
39 <a name="l00025"></a>00025 <span class="keywordflow">if</span> (isspace(*p)) {
40 <a name="l00026"></a>00026 *p = <span class="charliteral">'\0'</span>;
41 <a name="l00027"></a>00027 len--;
42 <a name="l00028"></a>00028 p--;
43 <a name="l00029"></a>00029 } <span class="keywordflow">else</span>
44 <a name="l00030"></a>00030 <span class="keywordflow">break</span>;
45 <a name="l00031"></a>00031 }
46 <a name="l00032"></a>00032 <span class="keywordflow">if</span> (len == 0) {
47 <a name="l00033"></a>00033 *p_len = 0;
48 <a name="l00034"></a>00034 <span class="keywordflow">return</span>;
49 <a name="l00035"></a>00035 }
50 <a name="l00036"></a>00036
51 <a name="l00037"></a>00037 p = str;
52 <a name="l00038"></a>00038 <span class="keywordflow">for</span> (i = 0; i < len; i++) {
53 <a name="l00039"></a>00039 <span class="keywordflow">if</span> (isspace(*p))
54 <a name="l00040"></a>00040 p++;
55 <a name="l00041"></a>00041 <span class="keywordflow">else</span>
56 <a name="l00042"></a>00042 <span class="keywordflow">break</span>;
57 <a name="l00043"></a>00043 }
58 <a name="l00044"></a>00044 len -= i;
59 <a name="l00045"></a>00045 <span class="keywordflow">if</span> (len == 0) {
60 <a name="l00046"></a>00046 *str = <span class="charliteral">'\0'</span>;
61 <a name="l00047"></a>00047 *p_len = 0;
62 <a name="l00048"></a>00048 <span class="keywordflow">return</span>;
63 <a name="l00049"></a>00049 }
64 <a name="l00050"></a>00050
65 <a name="l00051"></a>00051 *p_len = len;
66 <a name="l00052"></a>00052
67 <a name="l00053"></a>00053 <span class="keywordflow">if</span> (str < p)
68 <a name="l00054"></a>00054 <span class="keywordflow">for</span> (; len > 0; len--, str++, p++)
69 <a name="l00055"></a>00055 *str = *p;
70 <a name="l00056"></a>00056 }
71 <a name="l00057"></a>00057
72 <a name="l00068"></a>00068 <span class="keywordtype">int</span>
73 <a name="l00069"></a><a class="code" href="lightmediascanner__utils_8c.html#71ee8b57cf7c5eba8ec0593e756d2529">00069</a> <a class="code" href="lightmediascanner__utils_8c.html#71ee8b57cf7c5eba8ec0593e756d2529">lms_which_extension</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> name_len, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structlms__string__size.html">lms_string_size</a> *exts, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> exts_len) {
74 <a name="l00070"></a>00070 <span class="keywordtype">int</span> i;
75 <a name="l00071"></a>00071 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *exts_pos;
76 <a name="l00072"></a>00072 <span class="keyword">const</span> <span class="keywordtype">char</span> *s;
77 <a name="l00073"></a>00073
78 <a name="l00074"></a>00074 exts_pos = alloca(exts_len * <span class="keyword">sizeof</span>(*exts_pos));
79 <a name="l00075"></a>00075 <span class="keywordflow">for</span> (i = 0; i < exts_len; i++)
80 <a name="l00076"></a>00076 exts_pos[i] = exts[i].len;
81 <a name="l00077"></a>00077
82 <a name="l00078"></a>00078 <span class="keywordflow">for</span> (s = name + name_len - 1; s >= name; s--) {
83 <a name="l00079"></a>00079 <span class="keywordtype">int</span> i, match;
84 <a name="l00080"></a>00080 <span class="keywordtype">char</span> c1, c2;
85 <a name="l00081"></a>00081
86 <a name="l00082"></a>00082 c1 = *s;
87 <a name="l00083"></a>00083 <span class="keywordflow">if</span> (c1 >= <span class="charliteral">'a'</span>)
88 <a name="l00084"></a>00084 c2 = c1;
89 <a name="l00085"></a>00085 <span class="keywordflow">else</span>
90 <a name="l00086"></a>00086 c2 = <span class="charliteral">'a'</span> + c1 - <span class="charliteral">'A'</span>;
91 <a name="l00087"></a>00087
92 <a name="l00088"></a>00088 match = 0;
93 <a name="l00089"></a>00089 <span class="keywordflow">for</span> (i = 0; i < exts_len; i++) {
94 <a name="l00090"></a>00090 <span class="keywordflow">if</span> (exts_pos[i] > 0) {
95 <a name="l00091"></a>00091 <span class="keywordtype">char</span> ce;
96 <a name="l00092"></a>00092
97 <a name="l00093"></a>00093 ce = exts[i].<a class="code" href="structlms__string__size.html#5f4844463b193dadb2286e69200ce8a7">str</a>[exts_pos[i] - 1];
98 <a name="l00094"></a>00094 <span class="keywordflow">if</span> (ce == c1 || ce == c2) {
99 <a name="l00095"></a>00095 <span class="keywordflow">if</span> (exts_pos[i] == 1)
100 <a name="l00096"></a>00096 <span class="keywordflow">return</span> i;
101 <a name="l00097"></a>00097 exts_pos[i]--;
102 <a name="l00098"></a>00098 match = 1;
103 <a name="l00099"></a>00099 } <span class="keywordflow">else</span>
104 <a name="l00100"></a>00100 exts_pos[i] = 0;
105 <a name="l00101"></a>00101 }
106 <a name="l00102"></a>00102 }
107 <a name="l00103"></a>00103 <span class="keywordflow">if</span> (!match)
108 <a name="l00104"></a>00104 <span class="keywordflow">return</span> -1;
109 <a name="l00105"></a>00105 }
110 <a name="l00106"></a>00106
111 <a name="l00107"></a>00107 <span class="keywordflow">return</span> -1;
112 <a name="l00108"></a>00108 }
113 </pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Dec 13 02:04:03 2007 for Light Media Scanner by
114 <a href="http://www.doxygen.org/index.html">
115 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address>
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