1 /* $OpenBSD: cmd-show-environment.c,v 1.1 2009/08/08 21:52:43 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2009 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 <stdlib.h> 22 #include <string.h> 23 24 #include "tmux.h" 25 26 /* 27 * Show environment. 28 */ 29 30 int cmd_show_environment_exec(struct cmd *, struct cmd_ctx *); 31 32 const struct cmd_entry cmd_show_environment_entry = { 33 "show-environment", "showenv", 34 "[-g] " CMD_TARGET_SESSION_USAGE, 35 0, CMD_CHFLAG('g'), 36 cmd_target_init, 37 cmd_target_parse, 38 cmd_show_environment_exec, 39 cmd_target_free, 40 cmd_target_print 41 }; 42 43 int 44 cmd_show_environment_exec(struct cmd *self, struct cmd_ctx *ctx) 45 { 46 struct cmd_target_data *data = self->data; 47 struct session *s; 48 struct environ *env; 49 struct environ_entry *envent; 50 51 if (data->chflags & CMD_CHFLAG('g')) 52 env = &global_environ; 53 else { 54 if ((s = cmd_find_session(ctx, data->target)) == NULL) 55 return (-1); 56 env = &s->environ; 57 } 58 59 RB_FOREACH(envent, environ, env) { 60 if (envent->value != NULL) 61 ctx->print(ctx, "%s=%s", envent->name, envent->value); 62 else 63 ctx->print(ctx, "-%s", envent->name); 64 } 65 66 return (0); 67 } 68