Mercurial > hg > octave-nkf > gnulib-hg

annotate lib/version-etc.c @ 10001:facc928673d7

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Declare rpmatch.
author Bruno Haible <bruno@clisp.org>
date Tue, 29 Apr 2008 02:55:59 +0200
parents fde802659840
children 9a4221960c07
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1 /* Utility to help print --version output in a consistent format.
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2 Copyright (C) 1999-2008 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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16
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17 /* Written by Jim Meyering. */
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18
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19 #include <config.h>
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20
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21 /* Specification. */
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22 #include "version-etc.h"
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23
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24 #include <stdarg.h>
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27
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28 #if USE_UNLOCKED_IO
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29 # include "unlocked-io.h"
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30 #endif
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31
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32 #include "gettext.h"
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33 #define _(msgid) gettext (msgid)
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34
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35 enum { COPYRIGHT_YEAR = 2008 };
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36
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37 /* Like version_etc, below, but with the NULL-terminated author list
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38 provided via a variable of type va_list. */
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39 void
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40 version_etc_va (FILE *stream,
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41 const char *command_name, const char *package,
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42 const char *version, va_list authors)
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43 {
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44 size_t n_authors;
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45
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46 /* Count the number of authors. */
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47 {
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48 va_list tmp_authors;
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49
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50 va_copy (tmp_authors, authors);
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51
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52 n_authors = 0;
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53 while (va_arg (tmp_authors, const char *) != NULL)
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54 ++n_authors;
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55 }
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56
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57 if (command_name)
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58 fprintf (stream, "%s (%s) %s\n", command_name, package, version);
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59 else
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60 fprintf (stream, "%s %s\n", package, version);
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61
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62 /* TRANSLATORS: Translate "(C)" to the copyright symbol
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63 (C-in-a-circle), if this symbol is available in the user's
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64 locale. Otherwise, do not translate "(C)"; leave it as-is. */
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65 fprintf (stream, version_etc_copyright, _("(C)"), COPYRIGHT_YEAR);
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66
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67 fputs (_("\
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68 \n\
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69 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n\
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70 This is free software: you are free to change and redistribute it.\n\
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71 There is NO WARRANTY, to the extent permitted by law.\n\
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72 \n\
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73 "),
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74 stream);
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75
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76 switch (n_authors)
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77 {
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78 case 0:
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79 /* The caller must provide at least one author name. */
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80 abort ();
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81 case 1:
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82 /* TRANSLATORS: %s denotes an author name. */
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83 vfprintf (stream, _("Written by %s.\n"), authors);
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84 break;
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85 case 2:
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86 /* TRANSLATORS: Each %s denotes an author name. */
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87 vfprintf (stream, _("Written by %s and %s.\n"), authors);
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88 break;
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89 case 3:
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90 /* TRANSLATORS: Each %s denotes an author name. */
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91 vfprintf (stream, _("Written by %s, %s, and %s.\n"), authors);
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92 break;
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93 case 4:
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94 /* TRANSLATORS: Each %s denotes an author name.
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95 You can use line breaks, estimating that each author name occupies
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96 ca. 16 screen columns and that a screen line has ca. 80 columns. */
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97 vfprintf (stream, _("Written by %s, %s, %s,\nand %s.\n"), authors);
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98 break;
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99 case 5:
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100 /* TRANSLATORS: Each %s denotes an author name.
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101 You can use line breaks, estimating that each author name occupies
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102 ca. 16 screen columns and that a screen line has ca. 80 columns. */
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103 vfprintf (stream, _("Written by %s, %s, %s,\n%s, and %s.\n"), authors);
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104 break;
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105 case 6:
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106 /* TRANSLATORS: Each %s denotes an author name.
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107 You can use line breaks, estimating that each author name occupies
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108 ca. 16 screen columns and that a screen line has ca. 80 columns. */
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109 vfprintf (stream, _("Written by %s, %s, %s,\n%s, %s, and %s.\n"),
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110 authors);
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111 break;
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112 case 7:
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113 /* TRANSLATORS: Each %s denotes an author name.
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114 You can use line breaks, estimating that each author name occupies
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115 ca. 16 screen columns and that a screen line has ca. 80 columns. */
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116 vfprintf (stream, _("Written by %s, %s, %s,\n%s, %s, %s, and %s.\n"),
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117 authors);
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118 break;
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119 case 8:
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120 /* TRANSLATORS: Each %s denotes an author name.
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121 You can use line breaks, estimating that each author name occupies
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122 ca. 16 screen columns and that a screen line has ca. 80 columns. */
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123 vfprintf (stream, _("\
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124 Written by %s, %s, %s,\n%s, %s, %s, %s,\nand %s.\n"),
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125 authors);
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126 break;
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127 case 9:
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128 /* TRANSLATORS: Each %s denotes an author name.
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129 You can use line breaks, estimating that each author name occupies
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130 ca. 16 screen columns and that a screen line has ca. 80 columns. */
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131 vfprintf (stream, _("\
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132 Written by %s, %s, %s,\n%s, %s, %s, %s,\n%s, and %s.\n"),
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133 authors);
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134 break;
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135 default:
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136 /* 10 or more authors. Use an abbreviation, since the human reader
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137 will probably not want to read the entire list anyway. */
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138 /* TRANSLATORS: Each %s denotes an author name.
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139 You can use line breaks, estimating that each author name occupies
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140 ca. 16 screen columns and that a screen line has ca. 80 columns. */
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141 vfprintf (stream, _("\
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142 Written by %s, %s, %s,\n%s, %s, %s, %s,\n%s, %s, and others.\n"),
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143 authors);
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144 break;
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145 }
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146 va_end (authors);
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147 }
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148
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149
1941
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150 /* Display the --version information the standard way.
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151
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152 If COMMAND_NAME is NULL, the PACKAGE is asumed to be the name of
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153 the program. The formats are therefore:
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154
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155 PACKAGE VERSION
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156
0e058c7494a6 (version_etc_copyright): Default copyright string.
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157 or
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158
4771
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159 COMMAND_NAME (PACKAGE) VERSION.
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160
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161 The author names are passed as separate arguments, with an additional
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162 NULL argument at the end. */
1754
ddaa9b176f63 *** empty log message ***
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163 void
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164 version_etc (FILE *stream,
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165 const char *command_name, const char *package,
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166 const char *version, /* const char *author1, ...*/ ...)
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167 {
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168 va_list authors;
1941
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169
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170 va_start (authors, version);
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171 version_etc_va (stream, command_name, package, version, authors);
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172 }