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/*
* Copyright (c) 2013-2015 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
*/
#include <config.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_STRING_H
# include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif /* HAVE_STRINGS_H */
#include "sudo_compat.h"
#include "sudo_util.h"
#ifdef HAVE_GETPROGNAME
void
initprogname(const char *name)
{
# ifdef HAVE_SETPROGNAME
const char *progname;
/* Fall back on "name" if getprogname() returns an empty string. */
if ((progname = getprogname()) != NULL && *progname != '\0')
name = progname;
/* Check for libtool prefix and strip it if present. */
if (name[0] == 'l' && name[1] == 't' && name[2] == '-' && name[3] != '\0')
name += 3;
/* Update internal progname if needed. */
if (name != progname)
setprogname(name);
# endif
return;
}
#else /* !HAVE_GETPROGNAME */
static const char *progname = "";
void
initprogname(const char *name)
{
# ifdef HAVE___PROGNAME
extern const char *__progname;
if (__progname != NULL && *__progname != '\0')
progname = __progname;
else
# endif
if ((progname = strrchr(name, '/')) != NULL) {
progname++;
} else {
progname = name;
}
/* Check for libtool prefix and strip it if present. */
if (progname[0] == 'l' && progname[1] == 't' && progname[2] == '-' &&
progname[3] != '\0')
progname += 3;
}
const char *
sudo_getprogname(void)
{
return progname;
}
#endif /* !HAVE_GETPROGNAME */
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