ncurses/tinfo/home_terminfo.c

/****************************************************************************
 * Copyright 2020 Thomas E. Dickey                                          *
 * Copyright 1998-2012,2016 Free Software Foundation, Inc.                  *
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/****************************************************************************
 *  Author: Thomas E. Dickey                                                *
 ****************************************************************************/

/*
 *	home_terminfo.c -- return the $HOME/.terminfo string, expanded
 */

#include <curses.priv.h>
#include <tic.h>

MODULE_ID("$Id: home_terminfo.c,v 1.17 2020/02/02 23:34:34 tom Exp $")

/* ncurses extension...fall back on user's private directory */

#define MyBuffer _nc_globals.home_terminfo

NCURSES_EXPORT(char *)
_nc_home_terminfo(void)
{
    char *result = 0;
#if USE_HOME_TERMINFO
    if (use_terminfo_vars()) {

	if (MyBuffer == 0) {
	    char *home;

	    if ((home = getenv("HOME")) != 0) {
		size_t want = (strlen(home) + sizeof(PRIVATE_INFO));
		TYPE_MALLOC(char, want, MyBuffer);
		_nc_SPRINTF(MyBuffer, _nc_SLIMIT(want) PRIVATE_INFO, home);
	    }
	}
	result = MyBuffer;
    }
#endif
    return result;
}