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tetex-bin  3.0
home_terminfo.c
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00001 /****************************************************************************
00002  * Copyright (c) 1998-2002,2004 Free Software Foundation, Inc.              *
00003  *                                                                          *
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00005  * copy of this software and associated documentation files (the            *
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00010  * furnished to do so, subject to the following conditions:                 *
00011  *                                                                          *
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00014  *                                                                          *
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00022  *                                                                          *
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00028 
00029 /****************************************************************************
00030  *  Author: Thomas E. Dickey 1998,2000,2004                                 *
00031  ****************************************************************************/
00032 
00033 /*
00034  *     home_terminfo.c -- return the $HOME/.terminfo string, expanded
00035  */
00036 
00037 #include <curses.priv.h>
00038 #include <tic.h>
00039 
00040 MODULE_ID("$Id: home_terminfo.c,v 1.8 2004/01/14 02:18:16 tom Exp $")
00041 
00042 #define my_length (strlen(home) + sizeof(PRIVATE_INFO))
00043 
00044 /* ncurses extension...fall back on user's private directory */
00045 
00046 NCURSES_EXPORT(char *)
00047 _nc_home_terminfo(void)
00048 {
00049 #ifdef USE_HOME_TERMINFO
00050     char *home;
00051     static char *temp = 0;
00052 
00053     if (use_terminfo_vars()) {
00054        if (temp == 0) {
00055            if ((home = getenv("HOME")) != 0
00056               && my_length <= PATH_MAX) {
00057               temp = typeMalloc(char, my_length);
00058               if (temp == 0)
00059                   _nc_err_abort(MSG_NO_MEMORY);
00060               (void) sprintf(temp, PRIVATE_INFO, home);
00061            }
00062        }
00063        return temp;
00064     }
00065 #endif
00066     return 0;
00067 }