/* Program name management.
- Copyright (C) 2001-2003, 2005-2008 Free Software Foundation, Inc.
+ 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
#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>
{
/* 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;
{
argv0 = base;
if (strncmp (base, "lt-", 3) == 0)
- argv0 = base + 3;
+ {
+ 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
}