diff options
Diffstat (limited to 'lib/progname.c')
| -rw-r--r-- | lib/progname.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/lib/progname.c b/lib/progname.c deleted file mode 100644 index bdd4dd74..00000000 --- a/lib/progname.c +++ /dev/null @@ -1,92 +0,0 @@ -/* Program name management. - Copyright (C) 2001-2003, 2005-2012 Free Software Foundation, Inc. - Written by Bruno Haible <bruno@clisp.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 <stdio.h> -#include <stdlib.h> -#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]. - argv0 must be a string allocated with indefinite extent, and must not be - modified after this call. */ -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; - - /* Sanity check. POSIX requires the invoking process to pass a non-NULL - argv[0]. */ - if (argv0 == NULL) - { - /* It's a bug in the invoking program. Help diagnosing it. */ - fputs ("A NULL argv[0] was passed through an exec system call.\n", - stderr); - abort (); - } - - 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 -} |