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annotate util.c @ 60:ecb0b90d94d8

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misc: update copyright years
author David Demelier <markand@malikania.fr>
date Sun, 02 Jan 2022 10:24:20 +0100
parents fba88439ec0a
children d3d3937c5756
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1 /*
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2 * util.c -- various utilities
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3 *
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4 * Copyright (c) 2020-2022 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <assert.h>
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20 #include <ctype.h>
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21 #include <errno.h>
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22 #include <limits.h>
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23 #include <stdarg.h>
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24 #include <stdio.h>
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25 #include <stdlib.h>
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26 #include <stdnoreturn.h>
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27 #include <string.h>
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28 #include <time.h>
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30 #include "config.h"
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31 #include "util.h"
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32 #include "paste.h"
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33
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34 const char *languages[] = {
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35 "nohighlight",
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36 "1c",
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37 "abnf",
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38 "accesslog",
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39 "actionscript",
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40 "ada",
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41 "apache",
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42 "applescript",
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43 "arduino",
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44 "armasm",
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45 "asciidoc",
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46 "aspectj",
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47 "autohotkey",
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48 "autoit",
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49 "avrasm",
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50 "awk",
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51 "axapta",
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52 "bash",
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53 "basic",
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54 "bnf",
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55 "brainfuck",
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56 "cal",
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57 "capnproto",
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58 "ceylon",
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59 "clean",
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60 "clojure",
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61 "clojure-repl",
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62 "cmake",
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63 "coffeescript",
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64 "coq",
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65 "cos",
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66 "cpp",
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67 "crmsh",
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68 "crystal",
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69 "cs",
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70 "csp",
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71 "css",
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72 "dart",
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73 "delphi",
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74 "diff",
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75 "django",
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76 "d",
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77 "dns",
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78 "dockerfile",
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79 "dos",
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80 "dsconfig",
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81 "dts",
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82 "dust",
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83 "ebnf",
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84 "elixir",
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85 "elm",
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86 "erb",
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87 "erlang",
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88 "erlang-repl",
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89 "excel",
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90 "fix",
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91 "flix",
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92 "fortran",
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93 "fsharp",
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94 "gams",
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95 "gauss",
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96 "gcode",
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97 "gherkin",
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98 "glsl",
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99 "go",
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100 "golo",
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101 "gradle",
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102 "groovy",
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103 "haml",
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104 "handlebars",
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105 "haskell",
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106 "haxe",
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107 "hsp",
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108 "htmlbars",
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109 "http",
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110 "hy",
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111 "inform7",
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112 "ini",
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113 "irpf90",
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114 "java",
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115 "javascript",
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116 "jboss-cli",
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117 "json",
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118 "julia",
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119 "julia-repl",
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120 "kotlin",
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121 "lasso",
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122 "ldif",
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123 "leaf",
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124 "less",
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125 "lisp",
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126 "livecodeserver",
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127 "livescript",
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128 "llvm",
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129 "lsl",
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130 "lua",
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131 "makefile",
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132 "markdown",
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133 "mathematica",
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134 "matlab",
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135 "maxima",
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136 "mel",
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137 "mercury",
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138 "mipsasm",
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139 "mizar",
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140 "mojolicious",
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141 "monkey",
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142 "moonscript",
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143 "n1ql",
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144 "nginx",
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145 "nimrod",
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146 "nix",
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147 "nsis",
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148 "objectivec",
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149 "ocaml",
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150 "openscad",
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151 "oxygene",
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152 "parser3",
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153 "perl",
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154 "pf",
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155 "php",
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156 "pony",
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157 "powershell",
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158 "processing",
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159 "profile",
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160 "prolog",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
161 "protobuf",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
162 "puppet",
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David Demelier <markand@malikania.fr>
parents: 5
diff changeset
163 "purebasic",
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David Demelier <markand@malikania.fr>
parents: 5
diff changeset
164 "python",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
165 "q",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
166 "qml",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
167 "rib",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
168 "r",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
169 "roboconf",
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David Demelier <markand@malikania.fr>
parents: 5
diff changeset
170 "routeros",
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David Demelier <markand@malikania.fr>
parents: 5
diff changeset
171 "rsl",
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David Demelier <markand@malikania.fr>
parents: 5
diff changeset
172 "ruby",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
173 "ruleslanguage",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
174 "rust",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
175 "scala",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
176 "scheme",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
177 "scilab",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
178 "scss",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
179 "shell",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
180 "smali",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
181 "smalltalk",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
182 "sml",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
183 "sqf",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
184 "sql",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
185 "stan",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
186 "stata",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
187 "step21",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
188 "stylus",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
189 "subunit",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
190 "swift",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
191 "taggerscript",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
192 "tap",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
193 "tcl",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
194 "tex",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
195 "thrift",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
196 "tp",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
197 "twig",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
198 "typescript",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
199 "vala",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
200 "vbnet",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
201 "vbscript-html",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
202 "vbscript",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
203 "verilog",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
204 "vhdl",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
205 "vim",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
206 "x86asm",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
207 "xl",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
208 "xml",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
209 "xquery",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
210 "yaml",
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
211 "zephir"
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
212 };
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
213
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
214 const size_t languagesz = NELEM(languages);
0
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
215
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
216 noreturn void
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
217 die(const char *fmt, ...)
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
218 {
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
219 va_list ap;
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
220
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
221 va_start(ap, fmt);
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
222 vfprintf(stderr, fmt, ap);
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
223 va_end(ap);
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
224
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
225 exit(1);
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
226 }
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
227
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
228 char *
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
229 estrdup(const char *str)
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
230 {
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
231 assert(str);
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
232
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
233 char *ret;
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
234 size_t length = strlen(str);
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
235
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
236 if (!(ret = calloc(1, length + 1)))
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
237 die(strerror(errno));
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
238
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
239 return strcpy(ret, str);
15a06aa20298 misc: initial import
David Demelier <markand@malikania.fr>
parents:
diff changeset
240 }
1
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
241
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
242 const char *
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
243 bprintf(const char *fmt, ...)
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
244 {
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
245 static char buf[BUFSIZ];
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
246 va_list ap;
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
247
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
248 va_start(ap, fmt);
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
249 vsnprintf(buf, sizeof (buf), fmt, ap);
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
250 va_end(ap);
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
251
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
252 return buf;
836a698946f8 pasterd: add basic routes
David Demelier <markand@malikania.fr>
parents: 0
diff changeset
253 }
5
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
254
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
255 const char *
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
256 bstrftime(const char *fmt, const struct tm *tm)
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
257 {
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
258 static char buf[BUFSIZ];
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
259
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
260 strftime(buf, sizeof (buf), fmt, tm);
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
261
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
262 return buf;
f455893bf0b0 pasterd: show dates in /
David Demelier <markand@malikania.fr>
parents: 1
diff changeset
263 }
51
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
264
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
265 const char *
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
266 path(const char *filename)
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
267 {
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
268 assert(filename);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
269
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
270 /* Build path to the template file. */
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
271 static char path[PATH_MAX];
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
272
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
273 snprintf(path, sizeof (path), "%s/%s", config.themedir, filename);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
274
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
275 return path;
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
276 }
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
277
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
278 void
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
279 replace(char **dst, const char *s)
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
280 {
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
281 assert(dst);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
282 assert(s);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
283
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
284 /* Trim leading spaces. */
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
285 while (*s && isspace(*s))
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
286 s++;
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
287
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
288 if (*s) {
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
289 free(*dst);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
290 *dst = estrdup(s);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
291 }
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
292 }
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
293
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
294 const char *
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
295 ttl(time_t timestamp, long long int duration)
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
296 {
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
297 const time_t now = time(NULL);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
298 const long long int left = duration - difftime(now, timestamp);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
299
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
300 if (left < PASTE_DURATION_HOUR)
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
301 return bprintf("%lld minute(s)", left / 60);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
302 if (left < PASTE_DURATION_DAY)
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
303 return bprintf("%lld hour(s)", left / 3600);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
304
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
305 /* Other in days. */
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
306 return bprintf("%lld day(s)", left / 86400);
07b6887d3557 pasterd: split into individual pages
David Demelier <markand@malikania.fr>
parents: 5
diff changeset
307 }