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

   1 /****************************************************************************
   2  * Copyright (c) 1998-2009,2013 Free Software Foundation, Inc.              *
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  28
  29 /****************************************************************************
  30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  32  *     and: Thomas E. Dickey                        1996-2003               *
  33  *     and: Juergen Pfeifer                         2009                    *
  34  ****************************************************************************/
  35
  36 /*
  37 **      lib_has_cap.c
  38 **
  39 **      The routines to query terminal capabilities
  40 **
  41 */
  42
  43 #include <curses.priv.h>
  44
  45 #ifndef CUR
  46 #define CUR SP_TERMTYPE
  47 #endif
  48
  49 MODULE_ID("$Id: lib_has_cap.c,v 1.10 2013/11/16 19:57:22 tom Exp $")
  50
  51 NCURSES_EXPORT(bool)
  52 NCURSES_SP_NAME(has_ic) (NCURSES_SP_DCL0)
  53 {
  54     bool code = FALSE;
  55
  56     T((T_CALLED("has_ic(%p)"), (void *) SP_PARM));
  57
  58     if (HasTInfoTerminal(SP_PARM)) {
  59         code = ((insert_character || parm_ich
  60                  || (enter_insert_mode && exit_insert_mode))
  61                 && (delete_character || parm_dch)) ? TRUE : FALSE;
  62     }
  63
  64     returnCode(code);
  65 }
  66
  67 #if NCURSES_SP_FUNCS
  68 NCURSES_EXPORT(bool)
  69 has_ic(void)
  70 {
  71     return NCURSES_SP_NAME(has_ic) (CURRENT_SCREEN);
  72 }
  73 #endif
  74
  75 NCURSES_EXPORT(bool)
  76 NCURSES_SP_NAME(has_il) (NCURSES_SP_DCL0)
  77 {
  78     bool code = FALSE;
  79     T((T_CALLED("has_il(%p)"), (void *) SP_PARM));
  80     if (HasTInfoTerminal(SP_PARM)) {
  81         code = ((insert_line || parm_insert_line)
  82                 && (delete_line || parm_delete_line)) ? TRUE : FALSE;
  83     }
  84
  85     returnCode(code);
  86 }
  87
  88 #if NCURSES_SP_FUNCS
  89 NCURSES_EXPORT(bool)
  90 has_il(void)
  91 {
  92     return NCURSES_SP_NAME(has_il) (CURRENT_SCREEN);
  93 }
  94 #endif