| 1 | /* A very minimal do-nothing termcap emulation stub. |
| 2 | |
| 3 | Copyright (C) 2005-2020 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by CodeSourcery, LLC. |
| 6 | |
| 7 | This file is part of GDB. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | |
| 23 | #include "defs.h" |
| 24 | |
| 25 | extern "C" { |
| 26 | |
| 27 | /* -Wmissing-prototypes */ |
| 28 | extern int tgetent (char *buffer, char *termtype); |
| 29 | extern int tgetnum (char *name); |
| 30 | extern int tgetflag (char *name); |
| 31 | extern char* tgetstr (char *name, char **area); |
| 32 | extern int tputs (char *string, int nlines, int (*outfun) (int)); |
| 33 | extern char *tgoto (const char *cap, int col, int row); |
| 34 | |
| 35 | } |
| 36 | |
| 37 | /* These globals below are global termcap variables that readline |
| 38 | references. |
| 39 | |
| 40 | Actually, depending on preprocessor conditions that we don't want |
| 41 | to mirror here (as they may change depending on readline versions), |
| 42 | readline may define these globals as well, relying on the linker |
| 43 | merging them if needed (-fcommon). That doesn't work with |
| 44 | -fno-common or C++, so instead we define the symbols as weak. |
| 45 | Don't do this on Windows though, as MinGW gcc 3.4.2 doesn't support |
| 46 | weak (later versions, e.g., 4.8, do support it). Given this stub |
| 47 | file originally was Windows only, and we only needed this when we |
| 48 | made it work on other hosts, it should be OK. */ |
| 49 | #ifndef __MINGW32__ |
| 50 | char PC __attribute__((weak)); |
| 51 | char *BC __attribute__((weak)); |
| 52 | char *UP __attribute__((weak)); |
| 53 | #endif |
| 54 | |
| 55 | /* Each of the files below is a minimal implementation of the standard |
| 56 | termcap function with the same name, suitable for use in a Windows |
| 57 | console window, or when a real termcap/curses library isn't |
| 58 | available. */ |
| 59 | |
| 60 | int |
| 61 | tgetent (char *buffer, char *termtype) |
| 62 | { |
| 63 | return -1; |
| 64 | } |
| 65 | |
| 66 | int |
| 67 | tgetnum (char *name) |
| 68 | { |
| 69 | return -1; |
| 70 | } |
| 71 | |
| 72 | int |
| 73 | tgetflag (char *name) |
| 74 | { |
| 75 | return -1; |
| 76 | } |
| 77 | |
| 78 | char * |
| 79 | tgetstr (char *name, char **area) |
| 80 | { |
| 81 | return NULL; |
| 82 | } |
| 83 | |
| 84 | int |
| 85 | tputs (char *string, int nlines, int (*outfun) (int)) |
| 86 | { |
| 87 | while (*string) |
| 88 | outfun (*string++); |
| 89 | |
| 90 | return 0; |
| 91 | } |
| 92 | |
| 93 | char * |
| 94 | tgoto (const char *cap, int col, int row) |
| 95 | { |
| 96 | return NULL; |
| 97 | } |