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/* $OpenBSD$ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <util.h>
#include "tmux.h"
char *cfg_file;
int cfg_finished;
static char **cfg_causes;
static u_int cfg_ncauses;
struct client *cfg_client;
static enum cmd_retval
cfg_done(__unused struct cmdq_item *item, __unused void *data)
{
if (cfg_finished)
return (CMD_RETURN_NORMAL);
cfg_finished = 1;
if (!RB_EMPTY(&sessions))
cfg_show_causes(RB_MIN(sessions, &sessions));
if (cfg_client != NULL)
server_client_unref(cfg_client);
return (CMD_RETURN_NORMAL);
}
void
set_cfg_file(const char *path)
{
free(cfg_file);
cfg_file = xstrdup(path);
}
void
start_cfg(void)
{
const char *home;
int quiet = 0;
cfg_client = TAILQ_FIRST(&clients);
if (cfg_client != NULL)
cfg_client->references++;
load_cfg(TMUX_CONF, cfg_client, NULL, 1);
if (cfg_file == NULL && (home = find_home()) != NULL) {
xasprintf(&cfg_file, "%s/.tmux.conf", home);
quiet = 1;
}
if (cfg_file != NULL)
load_cfg(cfg_file, cfg_client, NULL, quiet);
cmdq_append(cfg_client, cmdq_get_callback(cfg_done, NULL));
}
int
load_cfg(const char *path, struct client *c, struct cmdq_item *item, int quiet)
{
FILE *f;
char delim[3] = { '\\', '\\', '\0' };
u_int found;
size_t line = 0;
char *buf, *cause1, *p;
struct cmd_list *cmdlist;
struct cmdq_item *new_item;
log_debug("loading %s", path);
if ((f = fopen(path, "rb")) == NULL) {
if (errno == ENOENT && quiet)
return (0);
cfg_add_cause("%s: %s", path, strerror(errno));
return (-1);
}
found = 0;
while ((buf = fparseln(f, NULL, &line, delim, 0)) != NULL) {
log_debug("%s: %s", path, buf);
/* Skip empty lines. */
p = buf;
while (isspace((u_char) *p))
p++;
if (*p == '\0') {
free(buf);
continue;
}
/* Parse and run the command. */
if (cmd_string_parse(p, &cmdlist, path, line, &cause1) != 0) {
free(buf);
if (cause1 == NULL)
continue;
cfg_add_cause("%s:%zu: %s", path, line, cause1);
free(cause1);
continue;
}
free(buf);
if (cmdlist == NULL)
continue;
new_item = cmdq_get_command(cmdlist, NULL, NULL, 0);
if (item != NULL)
cmdq_insert_after(item, new_item);
else
cmdq_append(c, new_item);
cmd_list_free(cmdlist);
found++;
}
fclose(f);
return (found);
}
void
cfg_add_cause(const char *fmt, ...)
{
va_list ap;
char *msg;
va_start(ap, fmt);
xvasprintf(&msg, fmt, ap);
va_end(ap);
cfg_ncauses++;
cfg_causes = xreallocarray(cfg_causes, cfg_ncauses, sizeof *cfg_causes);
cfg_causes[cfg_ncauses - 1] = msg;
}
void
cfg_print_causes(struct cmdq_item *item)
{
u_int i;
for (i = 0; i < cfg_ncauses; i++) {
cmdq_print(item, "%s", cfg_causes[i]);
free(cfg_causes[i]);
}
free(cfg_causes);
cfg_causes = NULL;
cfg_ncauses = 0;
}
void
cfg_show_causes(struct session *s)
{
struct window_pane *wp;
u_int i;
if (s == NULL || cfg_ncauses == 0)
return;
wp = s->curw->window->active;
window_pane_set_mode(wp, &window_copy_mode);
window_copy_init_for_output(wp);
for (i = 0; i < cfg_ncauses; i++) {
window_copy_add(wp, "%s", cfg_causes[i]);
free(cfg_causes[i]);
}
free(cfg_causes);
cfg_causes = NULL;
cfg_ncauses = 0;
}
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