home_terminfo.c

ncurses 库 可能有用酒用 没用就算了 我觉得还可以用

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/****************************************************************************
 *  Author: Thomas E. Dickey 1998,2000,2004,2005                            *
 ****************************************************************************/

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

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

MODULE_ID("$Id: home_terminfo.c,v 1.9 2005/07/02 19:43:38 tom Exp $")

#define my_length (strlen(home) + sizeof(PRIVATE_INFO))

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

NCURSES_EXPORT(char *)
_nc_home_terminfo(void)
{
    char *result = 0;
#ifdef USE_HOME_TERMINFO
    char *home;
    static char *temp = 0;

    if (use_terminfo_vars()) {
	if (temp == 0) {
	    if ((home = getenv("HOME")) != 0
		&& my_length <= PATH_MAX) {
		temp = typeMalloc(char, my_length);
		if (temp == 0)
		    _nc_err_abort(MSG_NO_MEMORY);
		(void) sprintf(temp, PRIVATE_INFO, home);
	    }
	}
	result = temp;
    }
#endif
    return result;
}