![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to keymaps.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple XNU] / GNUtools / debug / gdb / readline|
Return to keymaps.c CVS log | Up to [Apple XNU] / GNUtools / debug / gdb / readline |
1.1 root 1: /* keymaps.c -- Functions and keymaps for the GNU Readline library. */
2:
3: /* Copyright (C) 1988, 1989, 1991 Free Software Foundation, Inc.
4:
5: This file is part of GNU Readline, a library for reading lines
6: of text with interactive input and history editing.
7:
8: Readline is free software; you can redistribute it and/or modify
9: it under the terms of the GNU General Public License as published by
10: the Free Software Foundation; either version 2 of the License, or
11: (at your option) any later version.
12:
13: Readline is distributed in the hope that it will be useful,
14: but WITHOUT ANY WARRANTY; without even the implied warranty of
15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: GNU General Public License for more details.
17:
18: You should have received a copy of the GNU General Public License
19: along with this program; if not, write to the Free Software
20: Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
21:
22: #include "sysdep.h"
23: #include <stdio.h>
24: #include "readline.h"
25: #include "keymaps.h"
26: #include "emacs_keymap.c"
27:
28: #ifdef VI_MODE
29: #include "vi_keymap.c"
30: #endif
31:
32: #ifndef xmalloc
33: /* Remove these declarations when we have a complete libgnu.a. */
34: /* #define STATIC_MALLOC */
35: #if !defined (STATIC_MALLOC)
36: extern char *xmalloc (), *xrealloc ();
37: #else
38: static char *xmalloc (), *xrealloc ();
39: #endif /* STATIC_MALLOC */
40: #endif /* !xmalloc */
41: /* **************************************************************** */
42: /* */
43: /* Functions for manipulating Keymaps. */
44: /* */
45: /* **************************************************************** */
46:
47:
48: /* Return a new, empty keymap.
49: Free it with free() when you are done. */
50: Keymap
51: rl_make_bare_keymap ()
52: {
53: register int i;
54: Keymap keymap = (Keymap)xmalloc (128 * sizeof (KEYMAP_ENTRY));
55:
56: for (i = 0; i < 128; i++)
57: {
58: keymap[i].type = ISFUNC;
59: keymap[i].function = (Function *)NULL;
60: }
61:
62: for (i = 'A'; i < ('Z' + 1); i++)
63: {
64: keymap[i].type = ISFUNC;
65: keymap[i].function = rl_do_lowercase_version;
66: }
67:
68: return (keymap);
69: }
70:
71: /* Return a new keymap which is a copy of MAP. */
72: Keymap
73: rl_copy_keymap (map)
74: Keymap map;
75: {
76: register int i;
77: Keymap temp = rl_make_bare_keymap ();
78:
79: for (i = 0; i < 128; i++)
80: {
81: temp[i].type = map[i].type;
82: temp[i].function = map[i].function;
83: }
84: return (temp);
85: }
86:
87: /* Return a new keymap with the printing characters bound to rl_insert,
88: the uppercase Meta characters bound to run their lowercase equivalents,
89: and the Meta digits bound to produce numeric arguments. */
90: Keymap
91: rl_make_keymap ()
92: {
93: extern rl_insert (), rl_rubout ();
94: register int i;
95: Keymap newmap;
96:
97: newmap = rl_make_bare_keymap ();
98:
99: /* All printing characters are self-inserting. */
100: for (i = ' '; i < 126; i++)
101: newmap[i].function = rl_insert;
102:
103: newmap[TAB].function = rl_insert;
104: newmap[RUBOUT].function = rl_rubout;
105: newmap[CTRL('H')].function = rl_rubout;
106:
107: return (newmap);
108: }
109:
110: /* Free the storage associated with MAP. */
111: rl_discard_keymap (map)
112: Keymap (map);
113: {
114: int i;
115:
116: if (!map)
117: return;
118:
119: for (i = 0; i < 128; i++)
120: {
121: switch (map[i].type)
122: {
123: case ISFUNC:
124: break;
125:
126: case ISKMAP:
127: rl_discard_keymap ((Keymap)map[i].function);
128: break;
129:
130: case ISMACR:
131: free ((char *)map[i].function);
132: break;
133: }
134: }
135: }
136:
137: #ifdef STATIC_MALLOC
138:
139: /* **************************************************************** */
140: /* */
141: /* xmalloc and xrealloc () */
142: /* */
143: /* **************************************************************** */
144:
145: static void memory_error_and_abort ();
146:
147: static char *
148: xmalloc (bytes)
149: int bytes;
150: {
151: char *temp = (char *)malloc (bytes);
152:
153: if (!temp)
154: memory_error_and_abort ();
155: return (temp);
156: }
157:
158: static char *
159: xrealloc (pointer, bytes)
160: char *pointer;
161: int bytes;
162: {
163: char *temp;
164:
165: if (!pointer)
166: temp = (char *)malloc (bytes);
167: else
168: temp = (char *)realloc (pointer, bytes);
169:
170: if (!temp)
171: memory_error_and_abort ();
172: return (temp);
173: }
174:
175: static void
176: memory_error_and_abort ()
177: {
178: fprintf (stderr, "readline: Out of virtual memory!\n");
179: abort ();
180: }
181: #endif /* STATIC_MALLOC */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.