diff options
Diffstat (limited to 'bind.c')
| -rw-r--r-- | bind.c | 29 |
1 files changed, 20 insertions, 9 deletions
@@ -1,6 +1,6 @@ /* bind.c -- key binding and startup file support for the readline library. */ -/* Copyright (C) 1987-2019 Free Software Foundation, Inc. +/* Copyright (C) 1987-2020 Free Software Foundation, Inc. This file is part of the GNU Readline Library (Readline), a library for reading lines of text with interactive input and history editing. @@ -166,10 +166,12 @@ rl_bind_key (int key, rl_command_func_t *function) /* If it's bound to a function or macro, just overwrite. Otherwise we have to treat it as a key sequence so rl_generic_bind handles shadow keymaps - for us. If we are binding '\' make sure to escape it so it makes it - through the call to rl_translate_keyseq. */ + for us. If we are binding '\' or \C-@ (NUL) make sure to escape it so + it makes it through the call to rl_translate_keyseq. */ if (_rl_keymap[key].type != ISKMAP) { + if (_rl_keymap[key].type == ISMACR) + xfree ((char *)_rl_keymap[key].function); _rl_keymap[key].type = ISFUNC; _rl_keymap[key].function = function; } @@ -178,8 +180,17 @@ rl_bind_key (int key, rl_command_func_t *function) l = 0; bind_keyseq: if (key == '\\') - keyseq[l++] = '\\'; - keyseq[l++] = key; + { + keyseq[l++] = '\\'; + keyseq[l++] = '\\'; + } + else if (key == '\0') + { + keyseq[l++] = '\\'; + keyseq[l++] = '0'; + } + else + keyseq[l++] = key; keyseq[l] = '\0'; rl_bind_keyseq (keyseq, function); } @@ -451,9 +462,7 @@ rl_generic_bind (int type, const char *keyseq, char *data, Keymap map) } else { - if (map[ic].type == ISMACR) - xfree ((char *)map[ic].function); - else if (map[ic].type == ISKMAP) + if (map[ic].type == ISKMAP) { prevmap = map; map = FUNCTION_TO_KEYMAP (map, ic); @@ -466,6 +475,8 @@ rl_generic_bind (int type, const char *keyseq, char *data, Keymap map) if (type == ISFUNC && data == 0) data = (char *)_rl_null_function; } + if (map[ic].type == ISMACR) + xfree ((char *)map[ic].function); map[ic].function = KEYMAP_TO_FUNCTION (data); map[ic].type = type; @@ -788,7 +799,7 @@ _rl_untranslate_macro_value (char *seq, int use_escapes) /* Return a pointer to the function that STRING represents. If STRING doesn't have a matching function, then a NULL pointer - is returned. */ + is returned. The string match is case-insensitive. */ rl_command_func_t * rl_named_function (const char *string) { |