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/* @(#)saveargs.c 1.12 06/09/13 Copyright 1995-2003 J. Schilling */
/*
* save argc, argv for command error printing routines
*
* Copyright (c) 1995-2003 J. Schilling
*/
/*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* See the file CDDL.Schily.txt in this distribution for details.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file CDDL.Schily.txt from this distribution.
*/
#include <schily/mconfig.h>
#include <schily/standard.h>
#include <schily/string.h>
#include <schily/stdlib.h>
#include <avoffset.h>
#include <schily/schily.h>
#if !defined(AV_OFFSET) || !defined(FP_INDIR)
# ifdef HAVE_SCANSTACK
# undef HAVE_SCANSTACK
# endif
#endif
static int ac_saved;
static char **av_saved;
static char *av0_saved;
static char *progname_saved;
static char av0_sp[32]; /* av0 space, avoid malloc() in most cases */
static char prn_sp[32]; /* name space, avoid malloc() in most cases */
static char dfl_str[] = "?";
EXPORT void
save_args(ac, av)
int ac;
char *av[];
{
int slen;
ac_saved = ac;
av_saved = av;
if (av0_saved && av0_saved != av0_sp)
free(av0_saved);
slen = strlen(av[0]) + 1;
if (slen <= (int)sizeof (av0_sp))
av0_saved = av0_sp;
else
av0_saved = malloc(slen);
if (av0_saved)
strcpy(av0_saved, av[0]);
}
EXPORT int
saved_ac()
{
return (ac_saved);
}
EXPORT char **
saved_av()
{
return (av_saved);
}
EXPORT char *
saved_av0()
{
return (av0_saved);
}
EXPORT void
set_progname(name)
const char *name;
{
int slen;
if (progname_saved && progname_saved != prn_sp)
free(progname_saved);
slen = strlen(name) + 1;
if (slen <= sizeof (prn_sp))
progname_saved = prn_sp;
else
progname_saved = malloc(slen);
if (progname_saved)
strcpy(progname_saved, name);
}
EXPORT char *
get_progname()
{
#ifdef HAVE_SCANSTACK
char *progname;
#endif
if (progname_saved)
return (progname_saved);
if (av0_saved)
return (av0_saved);
#ifdef HAVE_SCANSTACK
progname = getav0(); /* scan stack to get argv[0] */
if (progname)
return (progname);
#endif
return (dfl_str);
}
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