libncurses: Import https://ftp.gnu.org/pub/gnu/ncurses/ncurses-6.5.tar.gz changes
Change-Id: I3433d30ca01359fd2e3623ede96b531f0b39cbfa
Signed-off-by: micky387 <mickaelsaibi@free.fr>
diff --git a/include/nc_access.h b/include/nc_access.h
new file mode 100644
index 0000000..1d2fb0a
--- /dev/null
+++ b/include/nc_access.h
@@ -0,0 +1,80 @@
+/****************************************************************************
+ * Copyright 2021,2023 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. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/* $Id: nc_access.h,v 1.6 2023/05/06 10:54:55 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 the 'use_terminfo_vars()' symbol to limit access to environment
+ * variables when running with privileges.
+ */
+#if defined(USE_ROOT_ENVIRON) && defined(USE_SETUID_ENVIRON)
+#define use_terminfo_vars() 1
+#else
+#define use_terminfo_vars() _nc_env_access()
+#endif
+
+extern NCURSES_EXPORT(int) _nc_env_access (void);
+
+/*
+ * 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_open2(name,flags) open(name,flags)
+#define safe_open3(name,flags,mode) open(name,flags,mode)
+
+#else
+
+#define safe_fopen(name,mode) _nc_safe_fopen(name,mode)
+#define safe_open2(name,flags) _nc_safe_open3(name,flags,0)
+#define safe_open3(name,flags,mode) _nc_safe_open3(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 */