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Annotation of src/usr.bin/tmux/cmd-unbind-key.c, Revision 1.1

1.1     ! nicm        1: /* $OpenBSD$ */
        !             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",
        !            40:        0,
        !            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: }