* gnulib/progname.c: New file (imported from Gnulib).

* gnulib/progname.h: Likewise.
        * conf/i386-pc.rmk (grub_mkimage_SOURCES): Add `gnulib/progname.c'.
        * util/i386/pc/grub-mkimage.c: Include `"progname.h"'.
        (usage): Replace `progname' with `program_name'.
        (main): Use set_program_name() for program name initialization.
This commit is contained in:
Robert Millan 2009-11-17 10:40:43 +00:00
parent ab502ec59d
commit 548643e528
5 changed files with 150 additions and 4 deletions

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@ -1,5 +1,12 @@
2009-11-16 Robert Millan <rmh.grub@aybabtu.com>
* gnulib/progname.c: New file (imported from Gnulib).
* gnulib/progname.h: Likewise.
* conf/i386-pc.rmk (grub_mkimage_SOURCES): Add `gnulib/progname.c'.
* util/i386/pc/grub-mkimage.c: Include `"progname.h"'.
(usage): Replace `progname' with `program_name'.
(main): Use set_program_name() for program name initialization.
* aclocal.m4: Move from here ...
* acinclude.m4: ... to here.
* autogen.sh: Add call to `aclocal'.

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@ -87,7 +87,7 @@ sbin_UTILITIES += grub-emu
endif
# For grub-mkimage.
grub_mkimage_SOURCES = util/i386/pc/grub-mkimage.c util/misc.c \
grub_mkimage_SOURCES = gnulib/progname.c util/i386/pc/grub-mkimage.c util/misc.c \
util/resolve.c lib/LzmaEnc.c lib/LzFind.c
grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR)
util/i386/pc/grub-mkimage.c_DEPENDENCIES = Makefile

78
gnulib/progname.c Normal file
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@ -0,0 +1,78 @@
/* Program name management.
Copyright (C) 2001-2003, 2005-2009 Free Software Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#undef ENABLE_RELOCATABLE /* avoid defining set_program_name as a macro */
#include "progname.h"
#include <errno.h> /* get program_invocation_name declaration */
#include <string.h>
/* String containing name the program is called with.
To be initialized by main(). */
const char *program_name = NULL;
/* Set program_name, based on argv[0]. */
void
set_program_name (const char *argv0)
{
/* libtool creates a temporary executable whose name is sometimes prefixed
with "lt-" (depends on the platform). It also makes argv[0] absolute.
But the name of the temporary executable is a detail that should not be
visible to the end user and to the test suite.
Remove this "<dirname>/.libs/" or "<dirname>/.libs/lt-" prefix here. */
const char *slash;
const char *base;
slash = strrchr (argv0, '/');
base = (slash != NULL ? slash + 1 : argv0);
if (base - argv0 >= 7 && strncmp (base - 7, "/.libs/", 7) == 0)
{
argv0 = base;
if (strncmp (base, "lt-", 3) == 0)
{
argv0 = base + 3;
/* On glibc systems, remove the "lt-" prefix from the variable
program_invocation_short_name. */
#if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
program_invocation_short_name = (char *) argv0;
#endif
}
}
/* But don't strip off a leading <dirname>/ in general, because when the user
runs
/some/hidden/place/bin/cp foo foo
he should get the error message
/some/hidden/place/bin/cp: `foo' and `foo' are the same file
not
cp: `foo' and `foo' are the same file
*/
program_name = argv0;
/* On glibc systems, the error() function comes from libc and uses the
variable program_invocation_name, not program_name. So set this variable
as well. */
#if HAVE_DECL_PROGRAM_INVOCATION_NAME
program_invocation_name = (char *) argv0;
#endif
}

60
gnulib/progname.h Normal file
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@ -0,0 +1,60 @@
/* Program name management.
Copyright (C) 2001-2004, 2006 Free Software Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
#ifndef _PROGNAME_H
#define _PROGNAME_H
/* Programs using this file should do the following in main():
set_program_name (argv[0]);
*/
#ifdef __cplusplus
extern "C" {
#endif
/* String containing name the program is called with. */
extern const char *program_name;
/* Set program_name, based on argv[0]. */
extern void set_program_name (const char *argv0);
#if ENABLE_RELOCATABLE
/* Set program_name, based on argv[0], and original installation prefix and
directory, for relocatability. */
extern void set_program_name_and_installdir (const char *argv0,
const char *orig_installprefix,
const char *orig_installdir);
#undef set_program_name
#define set_program_name(ARG0) \
set_program_name_and_installdir (ARG0, INSTALLPREFIX, INSTALLDIR)
/* Return the full pathname of the current executable, based on the earlier
call to set_program_name_and_installdir. Return NULL if unknown. */
extern char *get_full_program_name (void);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _PROGNAME_H */

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@ -37,6 +37,8 @@
#define _GNU_SOURCE 1
#include <getopt.h>
#include "progname.h"
#ifdef ENABLE_LZMA
#include <grub/lib/LzmaEnc.h>
@ -316,7 +318,7 @@ static void
usage (int status)
{
if (status)
fprintf (stderr, _("Try ``%s --help'' for more information.\n"), progname);
fprintf (stderr, _("Try ``%s --help'' for more information.\n"), program_name);
else
printf ("\
Usage: grub-mkimage [OPTION]... [MODULES]\n\
@ -348,8 +350,7 @@ main (int argc, char *argv[])
char *config = NULL;
FILE *fp = stdout;
progname = "grub-mkimage";
set_program_name (argv[0]);
textdomain (PACKAGE);
while (1)