release/src/router/libncurses/ncurses/tinfo/home_terminfo.c

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  28
  29 /****************************************************************************
  30  *  Author: Thomas E. Dickey                                                *
  31  ****************************************************************************/
  32
  33 /*
  34  *      home_terminfo.c -- return the $HOME/.terminfo string, expanded
  35  */
  36
  37 #include <curses.priv.h>
  38 #include <tic.h>
  39
  40 MODULE_ID("$Id: home_terminfo.c,v 1.12 2010/12/25 23:43:58 tom Exp $")
  41
  42 /* ncurses extension...fall back on user's private directory */
  43
  44 #define MyBuffer _nc_globals.home_terminfo
  45
  46 NCURSES_EXPORT(char *)
  47 _nc_home_terminfo(void)
  48 {
  49     char *result = 0;
  50 #if USE_HOME_TERMINFO
  51     char *home;
  52
  53     if (use_terminfo_vars()) {
  54         if (MyBuffer == 0) {
  55             if ((home = getenv("HOME")) != 0) {
  56                 size_t want = (strlen(home) + sizeof(PRIVATE_INFO));
  57                 MyBuffer = typeMalloc(char, want);
  58                 if (MyBuffer == 0)
  59                     _nc_err_abort(MSG_NO_MEMORY);
  60                 (void) sprintf(MyBuffer, PRIVATE_INFO, home);
  61             }
  62         }
  63         result = MyBuffer;
  64     }
  65 #endif
  66     return result;
  67 }