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/* $OpenBSD: cfg.c,v 1.29 2013/03/25 10:06:13 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
*
* 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 <sys/stat.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
struct cmd_q *cfg_cmd_q;
int cfg_finished;
int cfg_references;
struct causelist cfg_causes;
int
load_cfg(const char *path, struct cmd_q *cmdq, char **cause)
{
FILE *f;
u_int n, found;
char *buf, *copy, *line, *cause1, *msg;
size_t len, oldlen;
struct cmd_list *cmdlist;
log_debug("loading %s", path);
if ((f = fopen(path, "rb")) == NULL) {
xasprintf(cause, "%s: %s", path, strerror(errno));
return (-1);
}
n = found = 0;
line = NULL;
while ((buf = fgetln(f, &len))) {
/* Trim \n. */
if (buf[len - 1] == '\n')
len--;
log_debug("%s: %.*s", path, (int)len, buf);
/* Current line is the continuation of the previous one. */
if (line != NULL) {
oldlen = strlen(line);
line = xrealloc(line, 1, oldlen + len + 1);
} else {
oldlen = 0;
line = xmalloc(len + 1);
}
/* Append current line to the previous. */
memcpy(line + oldlen, buf, len);
line[oldlen + len] = '\0';
n++;
/* Continuation: get next line? */
len = strlen(line);
if (len > 0 && line[len - 1] == '\\') {
line[len - 1] = '\0';
/* Ignore escaped backslash at EOL. */
if (len > 1 && line[len - 2] != '\\')
continue;
}
copy = line;
line = NULL;
/* Skip empty lines. */
buf = copy;
while (isspace((u_char)*buf))
buf++;
if (*buf == '\0') {
free(copy);
continue;
}
/* Parse and run the command. */
if (cmd_string_parse(buf, &cmdlist, path, n, &cause1) != 0) {
free(copy);
if (cause1 == NULL)
continue;
xasprintf(&msg, "%s:%u: %s", path, n, cause1);
ARRAY_ADD(&cfg_causes, msg);
free(cause1);
continue;
}
free(copy);
if (cmdlist == NULL)
continue;
cmdq_append(cmdq, cmdlist);
cmd_list_free(cmdlist);
found++;
}
if (line != NULL)
free(line);
fclose(f);
return (found);
}
void
cfg_default_done(unused struct cmd_q *cmdq)
{
if (--cfg_references != 0)
return;
cfg_finished = 1;
if (!RB_EMPTY(&sessions))
cfg_show_causes(RB_MIN(sessions, &sessions));
cmdq_free(cfg_cmd_q);
cfg_cmd_q = NULL;
}
void
cfg_show_causes(struct session *s)
{
struct window_pane *wp;
char *cause;
u_int i;
if (s == NULL || ARRAY_EMPTY(&cfg_causes))
return;
wp = s->curw->window->active;
window_pane_set_mode(wp, &window_copy_mode);
window_copy_init_for_output(wp);
for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
cause = ARRAY_ITEM(&cfg_causes, i);
window_copy_add(wp, "%s", cause);
free(cause);
}
ARRAY_FREE(&cfg_causes);
}
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