githubmirror/ncurses

include/nc_access.h
80 строк3 KB
Thomas E. Dickey
ncurses 6.2 - patch 20210710
11 июл 2021, 03:15
11 июл 2021, 03:1591d451f
/****************************************************************************
 * Copyright 2021 Thomas E. Dickey                                          *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/* $Id: nc_access.h,v 1.2 2021/07/10 22:07:06 tom Exp $ */

#ifndef NC_ACCESS_included
#define NC_ACCESS_included 1
/* *INDENT-OFF* */

#include <ncurses_cfg.h>
#include <curses.h>
#include <sys/types.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Turn off this symbol to limit access to environment variables when root.
 */
#ifdef USE_ROOT_ENVIRON

#define use_terminfo_vars() 1

#else

#define use_terminfo_vars() _nc_env_access()
extern NCURSES_EXPORT(int) _nc_env_access (void);

#endif

/*
 * Turn off this symbol to limit access to files when running setuid.
 */
#ifdef USE_ROOT_ACCESS

#define safe_fopen(name,mode) fopen(name,mode)
#define safe_open3(name,flags,mode) open(name,flags,mode)

#else

#define safe_fopen(name,mode) fopen(name,mode)
#define safe_open3(name,flags,mode) open(name,flags,mode)
extern NCURSES_EXPORT(FILE *) _nc_safe_fopen (const char *, const char *);
extern NCURSES_EXPORT(int) _nc_safe_open3 (const char *, int, mode_t);

#endif

#ifdef __cplusplus
}
#endif

/* *INDENT-ON* */

#endif /* NC_ACCESS_included */