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bf35441608
server until after the configuration file completes. This prevents it racing against run-shell or if-shell in .tmux.conf that run in the background.
167 lines
3.9 KiB
C
167 lines
3.9 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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struct cmd_q *cfg_cmd_q;
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int cfg_finished;
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int cfg_references;
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struct causelist cfg_causes;
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struct client *cfg_client;
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int
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load_cfg(const char *path, struct cmd_q *cmdq, char **cause)
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{
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FILE *f;
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u_int n, found;
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char *buf, *copy, *line, *cause1, *msg;
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size_t len, oldlen;
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struct cmd_list *cmdlist;
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log_debug("loading %s", path);
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if ((f = fopen(path, "rb")) == NULL) {
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xasprintf(cause, "%s: %s", path, strerror(errno));
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return (-1);
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}
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n = found = 0;
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line = NULL;
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while ((buf = fgetln(f, &len))) {
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/* Trim \n. */
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if (buf[len - 1] == '\n')
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len--;
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log_debug("%s: %.*s", path, (int)len, buf);
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/* Current line is the continuation of the previous one. */
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if (line != NULL) {
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oldlen = strlen(line);
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line = xrealloc(line, 1, oldlen + len + 1);
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} else {
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oldlen = 0;
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line = xmalloc(len + 1);
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}
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/* Append current line to the previous. */
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memcpy(line + oldlen, buf, len);
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line[oldlen + len] = '\0';
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n++;
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/* Continuation: get next line? */
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len = strlen(line);
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if (len > 0 && line[len - 1] == '\\') {
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line[len - 1] = '\0';
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/* Ignore escaped backslash at EOL. */
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if (len > 1 && line[len - 2] != '\\')
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continue;
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}
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copy = line;
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line = NULL;
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/* Skip empty lines. */
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buf = copy;
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while (isspace((u_char)*buf))
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buf++;
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if (*buf == '\0') {
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free(copy);
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continue;
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}
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/* Parse and run the command. */
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if (cmd_string_parse(buf, &cmdlist, path, n, &cause1) != 0) {
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free(copy);
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if (cause1 == NULL)
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continue;
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xasprintf(&msg, "%s:%u: %s", path, n, cause1);
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ARRAY_ADD(&cfg_causes, msg);
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free(cause1);
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continue;
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}
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free(copy);
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if (cmdlist == NULL)
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continue;
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cmdq_append(cmdq, cmdlist);
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cmd_list_free(cmdlist);
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found++;
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}
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if (line != NULL)
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free(line);
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fclose(f);
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return (found);
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}
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void
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cfg_default_done(unused struct cmd_q *cmdq)
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{
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if (--cfg_references != 0)
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return;
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cfg_finished = 1;
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if (!RB_EMPTY(&sessions))
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cfg_show_causes(RB_MIN(sessions, &sessions));
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cmdq_free(cfg_cmd_q);
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cfg_cmd_q = NULL;
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if (cfg_client != NULL) {
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/*
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* The client command queue starts with client_exit set to 1 so
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* only continue if not empty (that is, we have been delayed
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* during configuration parsing for long enough that the
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* MSG_COMMAND has arrived), else the client will exit before
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* the MSG_COMMAND which might tell it not to.
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*/
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if (!TAILQ_EMPTY(&cfg_client->cmdq->queue))
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cmdq_continue(cfg_client->cmdq);
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cfg_client->references--;
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cfg_client = NULL;
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}
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}
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void
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cfg_show_causes(struct session *s)
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{
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struct window_pane *wp;
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char *cause;
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u_int i;
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if (s == NULL || ARRAY_EMPTY(&cfg_causes))
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return;
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wp = s->curw->window->active;
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window_pane_set_mode(wp, &window_copy_mode);
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window_copy_init_for_output(wp);
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for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
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cause = ARRAY_ITEM(&cfg_causes, i);
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window_copy_add(wp, "%s", cause);
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free(cause);
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}
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ARRAY_FREE(&cfg_causes);
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}
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