/* Utility to help print --version output in a consistent format. Copyright (C) 1999-2007 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* Written by Jim Meyering. */ #include <config.h> /* Specification. */ #include "version-etc.h" #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #if USE_UNLOCKED_IO # include "unlocked-io.h" #endif #include "gettext.h" #define _(msgid) gettext (msgid) enum { COPYRIGHT_YEAR = 2007 }; /* Like version_etc, below, but with the NULL-terminated author list provided via a variable of type va_list. */ void version_etc_va (FILE *stream, const char *command_name, const char *package, const char *version, va_list authors) { size_t n_authors; /* Count the number of authors. */ { va_list tmp_authors; va_copy (tmp_authors, authors); n_authors = 0; while (va_arg (tmp_authors, const char *) != NULL) ++n_authors; } if (command_name) fprintf (stream, "%s (%s) %s\n", command_name, package, version); else fprintf (stream, "%s %s\n", package, version); /* TRANSLATORS: Translate "(C)" to the copyright symbol (C-in-a-circle), if this symbol is available in the user's locale. Otherwise, do not translate "(C)"; leave it as-is. */ fprintf (stream, version_etc_copyright, _("(C)"), COPYRIGHT_YEAR); fputs (_("\ \n\ License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>\n\ This is free software: you are free to change and redistribute it.\n\ There is NO WARRANTY, to the extent permitted by law.\n\ \n\ "), stream); fputs (_("Modified to support extended attributes.\n"), stream); switch (n_authors) { case 0: /* The caller must provide at least one author name. */ abort (); case 1: /* TRANSLATORS: %s denotes an author name. */ vfprintf (stream, _("Written by %s.\n"), authors); break; case 2: /* TRANSLATORS: Each %s denotes an author name. */ vfprintf (stream, _("Written by %s and %s.\n"), authors); break; case 3: /* TRANSLATORS: Each %s denotes an author name. */ vfprintf (stream, _("Written by %s, %s, and %s.\n"), authors); break; case 4: /* TRANSLATORS: Each %s denotes an author name. You can use line breaks, estimating that each author name occupies ca. 16 screen columns and that a screen line has ca. 80 columns. */ vfprintf (stream, _("Written by %s, %s, %s,\nand %s.\n"), authors); break; case 5: /* TRANSLATORS: Each %s denotes an author name. You can use line breaks, estimating that each author name occupies ca. 16 screen columns and that a screen line has ca. 80 columns. */ vfprintf (stream, _("Written by %s, %s, %s,\n%s, and %s.\n"), authors); break; case 6: /* TRANSLATORS: Each %s denotes an author name. You can use line breaks, estimating that each author name occupies ca. 16 screen columns and that a screen line has ca. 80 columns. */ vfprintf (stream, _("Written by %s, %s, %s,\n%s, %s, and %s.\n"), authors); break; case 7: /* TRANSLATORS: Each %s denotes an author name. You can use line breaks, estimating that each author name occupies ca. 16 screen columns and that a screen line has ca. 80 columns. */ vfprintf (stream, _("Written by %s, %s, %s,\n%s, %s, %s, and %s.\n"), authors); break; case 8: /* TRANSLATORS: Each %s denotes an author name. You can use line breaks, estimating that each author name occupies ca. 16 screen columns and that a screen line has ca. 80 columns. */ vfprintf (stream, _("\ Written by %s, %s, %s,\n%s, %s, %s, %s,\nand %s.\n"), authors); break; case 9: /* TRANSLATORS: Each %s denotes an author name. You can use line breaks, estimating that each author name occupies ca. 16 screen columns and that a screen line has ca. 80 columns. */ vfprintf (stream, _("\ Written by %s, %s, %s,\n%s, %s, %s, %s,\n%s, and %s.\n"), authors); break; default: /* 10 or more authors. Use an abbreviation, since the human reader will probably not want to read the entire list anyway. */ /* TRANSLATORS: Each %s denotes an author name. You can use line breaks, estimating that each author name occupies ca. 16 screen columns and that a screen line has ca. 80 columns. */ vfprintf (stream, _("\ Written by %s, %s, %s,\n%s, %s, %s, %s,\n%s, %s, and others.\n"), authors); break; } va_end (authors); } /* Display the --version information the standard way. If COMMAND_NAME is NULL, the PACKAGE is asumed to be the name of the program. The formats are therefore: PACKAGE VERSION or COMMAND_NAME (PACKAGE) VERSION. The author names are passed as separate arguments, with an additional NULL argument at the end. */ void version_etc (FILE *stream, const char *command_name, const char *package, const char *version, /* const char *author1, ...*/ ...) { va_list authors; va_start (authors, version); version_etc_va (stream, command_name, package, version, authors); }