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Annotation of src/usr.bin/tmux/cmd-unbind-key.c, Revision 1.2

1.2     ! nicm        1: /* $OpenBSD: cmd-unbind-key.c,v 1.1 2009/06/01 22:58:49 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
                     21: #include "tmux.h"
                     22:
                     23: /*
                     24:  * Unbind key from command.
                     25:  */
                     26:
                     27: int    cmd_unbind_key_parse(struct cmd *, int, char **, char **);
                     28: int    cmd_unbind_key_exec(struct cmd *, struct cmd_ctx *);
                     29: void   cmd_unbind_key_send(struct cmd *, struct buffer *);
                     30: void   cmd_unbind_key_recv(struct cmd *, struct buffer *);
                     31: void   cmd_unbind_key_free(struct cmd *);
                     32:
                     33: struct cmd_unbind_key_data {
                     34:        int     key;
                     35: };
                     36:
                     37: const struct cmd_entry cmd_unbind_key_entry = {
                     38:        "unbind-key", "unbind",
                     39:        "key",
1.2     ! nicm       40:        0, 0,
1.1       nicm       41:        NULL,
                     42:        cmd_unbind_key_parse,
                     43:        cmd_unbind_key_exec,
                     44:        cmd_unbind_key_send,
                     45:        cmd_unbind_key_recv,
                     46:        cmd_unbind_key_free,
                     47:        NULL
                     48: };
                     49:
                     50: int
                     51: cmd_unbind_key_parse(struct cmd *self, int argc, char **argv, char **cause)
                     52: {
                     53:        struct cmd_unbind_key_data      *data;
                     54:        int                              opt;
                     55:
                     56:        self->data = data = xmalloc(sizeof *data);
                     57:
                     58:        while ((opt = getopt(argc, argv, "")) != -1) {
                     59:                switch (opt) {
                     60:                default:
                     61:                        goto usage;
                     62:                }
                     63:        }
                     64:        argc -= optind;
                     65:        argv += optind;
                     66:        if (argc != 1)
                     67:                goto usage;
                     68:
                     69:        if ((data->key = key_string_lookup_string(argv[0])) == KEYC_NONE) {
                     70:                xasprintf(cause, "unknown key: %s", argv[0]);
                     71:                goto error;
                     72:        }
                     73:
                     74:        return (0);
                     75:
                     76: usage:
                     77:        xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
                     78:
                     79: error:
                     80:        xfree(data);
                     81:        return (-1);
                     82: }
                     83:
                     84: int
                     85: cmd_unbind_key_exec(struct cmd *self, unused struct cmd_ctx *ctx)
                     86: {
                     87:        struct cmd_unbind_key_data      *data = self->data;
                     88:
                     89:        if (data == NULL)
                     90:                return (0);
                     91:
                     92:        key_bindings_remove(data->key);
                     93:
                     94:        return (0);
                     95: }
                     96:
                     97: void
                     98: cmd_unbind_key_send(struct cmd *self, struct buffer *b)
                     99: {
                    100:        struct cmd_unbind_key_data      *data = self->data;
                    101:
                    102:        buffer_write(b, data, sizeof *data);
                    103: }
                    104:
                    105: void
                    106: cmd_unbind_key_recv(struct cmd *self, struct buffer *b)
                    107: {
                    108:        struct cmd_unbind_key_data      *data;
                    109:
                    110:        self->data = data = xmalloc(sizeof *data);
                    111:        buffer_read(b, data, sizeof *data);
                    112: }
                    113:
                    114: void
                    115: cmd_unbind_key_free(struct cmd *self)
                    116: {
                    117:        struct cmd_unbind_key_data      *data = self->data;
                    118:
                    119:        xfree(data);
                    120: }