Add space movement keys for vi mode in the status line from Ben Boeckel.
[tmux-openbsd.git] / cmd-if-shell.c
blob6692a99cb9bb09e8d29fd4ffa132c416226ca7af
1 /* $OpenBSD$ */
3 /*
4 * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
5 * Copyright (c) 2009 Nicholas Marriott <nicm@openbsd.org>
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <sys/types.h>
21 #include <sys/wait.h>
23 #include <string.h>
25 #include "tmux.h"
28 * Executes a tmux command if a shell command returns true or false.
31 int cmd_if_shell_exec(struct cmd *, struct cmd_ctx *);
33 void cmd_if_shell_callback(struct job *);
34 void cmd_if_shell_free(void *);
36 const struct cmd_entry cmd_if_shell_entry = {
37 "if-shell", "if",
38 "", 2, 3,
39 "shell-command command [command]",
41 NULL,
42 NULL,
43 cmd_if_shell_exec
46 struct cmd_if_shell_data {
47 char *cmd_if;
48 char *cmd_else;
49 struct cmd_ctx ctx;
52 int
53 cmd_if_shell_exec(struct cmd *self, struct cmd_ctx *ctx)
55 struct args *args = self->args;
56 struct cmd_if_shell_data *cdata;
57 const char *shellcmd = args->argv[0];
59 cdata = xmalloc(sizeof *cdata);
60 cdata->cmd_if = xstrdup(args->argv[1]);
61 if (args->argc == 3)
62 cdata->cmd_else = xstrdup(args->argv[2]);
63 else
64 cdata->cmd_else = NULL;
65 memcpy(&cdata->ctx, ctx, sizeof cdata->ctx);
67 if (ctx->cmdclient != NULL)
68 ctx->cmdclient->references++;
69 if (ctx->curclient != NULL)
70 ctx->curclient->references++;
72 job_run(shellcmd, cmd_if_shell_callback, cmd_if_shell_free, cdata);
74 return (1); /* don't let client exit */
77 void
78 cmd_if_shell_callback(struct job *job)
80 struct cmd_if_shell_data *cdata = job->data;
81 struct cmd_ctx *ctx = &cdata->ctx;
82 struct cmd_list *cmdlist;
83 char *cause, *cmd;
85 if (!WIFEXITED(job->status) || WEXITSTATUS(job->status) != 0) {
86 cmd = cdata->cmd_else;
87 if (cmd == NULL)
88 return;
89 } else
90 cmd = cdata->cmd_if;
91 if (cmd_string_parse(cmd, &cmdlist, &cause) != 0) {
92 if (cause != NULL) {
93 ctx->error(ctx, "%s", cause);
94 xfree(cause);
96 return;
99 cmd_list_exec(cmdlist, ctx);
100 cmd_list_free(cmdlist);
103 void
104 cmd_if_shell_free(void *data)
106 struct cmd_if_shell_data *cdata = data;
107 struct cmd_ctx *ctx = &cdata->ctx;
108 struct msg_exit_data exitdata;
110 if (ctx->cmdclient != NULL) {
111 ctx->cmdclient->references--;
112 exitdata.retcode = ctx->cmdclient->retcode;
113 ctx->cmdclient->flags |= CLIENT_EXIT;
115 if (ctx->curclient != NULL)
116 ctx->curclient->references--;
118 if (cdata->cmd_else != NULL)
119 xfree(cdata->cmd_else);
120 xfree(cdata->cmd_if);
121 xfree(cdata);