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annotate mcabber/mcabber/nohtml.c @ 2320:dff24f3d007f

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Fix bogus indent
author Mikael Berthe <mikael@lilotux.net>
date Sun, 25 Jun 2017 22:50:43 +0200
parents f5402d705f67
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * nohtml.c -- (X)HTML helper functions
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3 *
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4 * Copyright (C) 2008,2009 Mikael Berthe <mikael@lilotux.net>
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5 * Some portions come from the jabberd project, see below.
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6 *
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7 * This program is free software; you can redistribute it and/or modify
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8 * it under the terms of the GNU General Public License as published by
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9 * the Free Software Foundation; either version 2 of the License, or (at
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10 * your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU General Public License
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18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
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19 *
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20 *
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21 * Some parts come from libjabber/str.c:
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22 * Copyright (c) 1999-2002 Jabber.com, Inc. All Rights Reserved. Contact
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23 * information for Jabber.com, Inc. is available at http://www.jabber.com/.
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24 * Portions Copyright (c) 1998-1999 Jeremie Miller.
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25 */
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26
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27 #include <string.h>
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28 #include <glib.h>
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29 #include <config.h>
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30
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31
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32 /* html_strip(htmlbuf)
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33 * Remove html entities from htmlbuf and try to convert it to plain text.
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34 * The caller must g_free the string after use.
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35 * Code mostly derived from strunescape(), in libjabber.
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36 */
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37 char *html_strip(const char *htmlbuf)
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38 {
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39 int i, j=0, html_len;
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40 char *nohtml;
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41
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42 if (!htmlbuf) return(NULL);
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43
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44 nohtml = g_strdup(htmlbuf);
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45
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46 html_len = (int)strlen(htmlbuf);
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47 for (i = 0; i < html_len; i++) {
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48 if (htmlbuf[i] == '&') {
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49 if (!strncmp(&htmlbuf[i],"&amp;",5)) {
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50 nohtml[j] = '&';
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51 i += 4;
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52 } else if (!strncmp(&htmlbuf[i],"&quot;", 6)) {
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53 nohtml[j] = '\"';
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54 i += 5;
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55 } else if (!strncmp(&htmlbuf[i],"&apos;", 6)) {
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56 nohtml[j] = '\'';
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57 i += 5;
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58 } else if (!strncmp(&htmlbuf[i],"&lt;", 4)) {
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59 nohtml[j] = '<';
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60 i += 3;
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61 } else if (!strncmp(&htmlbuf[i],"&gt;", 4)) {
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62 nohtml[j] = '>';
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63 i += 3;
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64 } else {
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65 nohtml[j] = htmlbuf[i];
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66 }
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67 } else if (htmlbuf[i] == '<') {
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68 if (!strncmp(&htmlbuf[i],"<br>", 4)) {
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69 nohtml[j] = '\n';
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70 i += 3;
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71 } else if (!strncmp(&htmlbuf[i],"<br/>", 5)) {
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72 nohtml[j] = '\n';
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73 i += 4;
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74 } else if (!strncmp(&htmlbuf[i],"<FONT>", 6)) {
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75 /* Let's strip <FONT> from Adium */
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76 i += 5;
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77 j--;
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78 } else if (!strncmp(&htmlbuf[i],"</FONT>", 7)) {
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79 i += 6;
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80 j--;
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81 } else {
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82 nohtml[j] = htmlbuf[i];
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83 }
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84 } else
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85 nohtml[j] = htmlbuf[i];
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86 j++;
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87 }
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88 nohtml[j] = '\0';
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89 return nohtml;
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90 }
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91
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92 /* html_escape(text)
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93 * Add (x)html entities to the text.
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94 * The caller must g_free the string after use.
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95 * Code mostly derived from strescape(), in libjabber.
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96 */
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97 char *html_escape(const char *text)
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98 {
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99 int i, j;
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100 int oldlen, newlen;
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101 char *html;
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102
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103 if (!text) return(NULL);
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104
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105 oldlen = newlen = strlen(text);
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106
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107 for (i = 0; i < oldlen; i++) {
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108 switch(text[i])
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109 {
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110 case '&':
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111 newlen += 5;
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112 break;
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113 case '\'':
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114 newlen += 6;
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115 break;
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116 case '\"':
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117 newlen += 6;
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118 break;
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119 case '<':
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120 newlen += 4;
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121 break;
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122 case '>':
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123 newlen += 4;
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124 break;
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125 case '\n':
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126 newlen += 5;
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127 }
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128 }
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129
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130 if (oldlen == newlen)
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131 return g_strdup(text);
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132
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133 html = g_new0(char, newlen+1);
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134
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135 for (i = j = 0; i < oldlen; i++) {
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136 switch(text[i])
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137 {
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138 case '&':
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139 memcpy(&html[j], "&amp;", 5);
a8b924b5474c The OTR protocol expects (X)HTML messsages
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140 j += 5;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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141 break;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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142 case '\'':
a8b924b5474c The OTR protocol expects (X)HTML messsages
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143 memcpy(&html[j], "&apos;", 6);
a8b924b5474c The OTR protocol expects (X)HTML messsages
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144 j += 6;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
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145 break;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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diff changeset
146 case '\"':
a8b924b5474c The OTR protocol expects (X)HTML messsages
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147 memcpy(&html[j], "&quot;", 6);
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148 j += 6;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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149 break;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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150 case '<':
a8b924b5474c The OTR protocol expects (X)HTML messsages
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151 memcpy(&html[j], "&lt;", 4);
a8b924b5474c The OTR protocol expects (X)HTML messsages
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152 j += 4;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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153 break;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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154 case '>':
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
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155 memcpy(&html[j], "&gt;", 4);
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
diff changeset
156 j += 4;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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157 break;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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158 case '\n':
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
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159 memcpy(&html[j], "<br/>", 5);
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
diff changeset
160 j += 5;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
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161 break;
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
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162 default:
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
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163 html[j++] = text[i];
a8b924b5474c The OTR protocol expects (X)HTML messsages
Mikael Berthe <mikael@lilotux.net>
parents:
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164 }
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
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165 }
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
diff changeset
166 return html;
a8b924b5474c The OTR protocol expects (X)HTML messsages
Mikael Berthe <mikael@lilotux.net>
parents:
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167 }
a8b924b5474c The OTR protocol expects (X)HTML messsages
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parents:
diff changeset
168
1811
e6d355e50d7a Update Vim modelines
Mikael Berthe <mikael@lilotux.net>
parents: 1668
diff changeset
169 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */