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Include stdarg.h, stdlib.h.

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(version_etc_copyright): Declare as readonly.
(version_etc_va): New function. Provide a different translatable string
for each possible number of authors < 10. Abbreviate when there are 10
authors or more.
(version_etc): Make this function variadic. Call version_etc_va.
This commit is contained in:
Jim Meyering 2003-10-18 08:10:55 +00:00
parent ff6e8b8078
commit 79b9e74be5
1 changed files with 127 additions and 17 deletions
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144
lib/version-etc.c
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@ -21,20 +21,136 @@
# include <config.h>
#endif
#include <stdio.h>
#include "unlocked-io.h"
/* Specification. */
#include "version-etc.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "unlocked-io.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
/* Default copyright goes to the FSF. */
char* version_etc_copyright =
const char* version_etc_copyright =
/* Do *not* mark this string for translation. */
"Copyright (C) 2003 Free Software Foundation, Inc.";
/* 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)
{
unsigned int n_authors;
/* Count the number of authors. */
{
va_list tmp_authors;
#ifdef __va_copy
__va_copy (tmp_authors, authors);
#else
tmp_authors = authors;
#endif
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);
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);
putc ('\n', stream);
fputs (version_etc_copyright, stream);
putc ('\n', stream);
fputs (_("\
This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"),
stream);
}
/* Display the --version information the standard way.
If COMMAND_NAME is NULL, the PACKAGE is asumed to be the name of
@ -44,23 +160,17 @@ char* version_etc_copyright =
or
COMMAND_NAME (PACKAGE) VERSION. */
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 *written_by)
const char *version, /* const char *author1, ...*/ ...)
{
if (command_name)
fprintf (stream, "%s (%s) %s\n", command_name, package, version);
else
fprintf (stream, "%s %s\n", package, version);
fprintf (stream, "%s\n\n", written_by);
va_list authors;
fputs (version_etc_copyright, stream);
putc ('\n', stream);
fputs (_("\
This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"),
stream);
va_start (authors, version);
version_etc_va (stream, command_name, package, version, authors);
}