Annotation of src/usr.bin/tmux/cfg.c, Revision 1.49
1.49 ! nicm 1: /* $OpenBSD: cfg.c,v 1.48 2016/10/14 18:41:53 nicm Exp $ */
1.1 nicm 2:
3: /*
1.44 nicm 4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.21 nicm 21: #include <ctype.h>
1.1 nicm 22: #include <errno.h>
23: #include <stdio.h>
1.15 nicm 24: #include <stdlib.h>
1.1 nicm 25: #include <string.h>
1.40 nicm 26: #include <unistd.h>
1.32 tobias 27: #include <util.h>
1.1 nicm 28:
29: #include "tmux.h"
30:
1.47 nicm 31: char *cfg_file;
32: int cfg_finished;
33: static char **cfg_causes;
34: static u_int cfg_ncauses;
35: struct client *cfg_client;
1.40 nicm 36:
1.49 ! nicm 37: static enum cmd_retval
! 38: cfg_done(__unused struct cmd_q *cmdq, __unused void *data)
! 39: {
! 40: if (cfg_finished)
! 41: return (CMD_RETURN_NORMAL);
! 42: cfg_finished = 1;
! 43:
! 44: if (!RB_EMPTY(&sessions))
! 45: cfg_show_causes(RB_MIN(sessions, &sessions));
! 46:
! 47: if (cfg_client != NULL)
! 48: server_client_unref(cfg_client);
! 49: return (CMD_RETURN_NORMAL);
! 50: }
1.40 nicm 51:
52: void
1.41 nicm 53: set_cfg_file(const char *path)
54: {
55: free(cfg_file);
56: cfg_file = xstrdup(path);
57: }
58:
59: void
1.40 nicm 60: start_cfg(void)
61: {
1.41 nicm 62: const char *home;
1.45 tim 63: int quiet = 0;
1.40 nicm 64:
65: cfg_client = TAILQ_FIRST(&clients);
66: if (cfg_client != NULL)
67: cfg_client->references++;
68:
1.49 ! nicm 69: load_cfg(TMUX_CONF, cfg_client, NULL, 1);
1.40 nicm 70:
1.41 nicm 71: if (cfg_file == NULL && (home = find_home()) != NULL) {
72: xasprintf(&cfg_file, "%s/.tmux.conf", home);
1.45 tim 73: quiet = 1;
1.41 nicm 74: }
1.45 tim 75: if (cfg_file != NULL)
1.49 ! nicm 76: load_cfg(cfg_file, cfg_client, NULL, quiet);
1.40 nicm 77:
1.49 ! nicm 78: cmdq_append(cfg_client, cmdq_get_callback(cfg_done, NULL));
1.40 nicm 79: }
1.1 nicm 80:
1.28 nicm 81: int
1.49 ! nicm 82: load_cfg(const char *path, struct client *c, struct cmd_q *cmdq, int quiet)
1.1 nicm 83: {
1.7 deraadt 84: FILE *f;
1.32 tobias 85: char delim[3] = { '\\', '\\', '\0' };
86: u_int found;
87: size_t line = 0;
1.33 nicm 88: char *buf, *cause1, *p;
1.1 nicm 89: struct cmd_list *cmdlist;
1.49 ! nicm 90: struct cmd_q *new_cmdq;
1.1 nicm 91:
1.29 nicm 92: log_debug("loading %s", path);
1.1 nicm 93: if ((f = fopen(path, "rb")) == NULL) {
1.45 tim 94: if (errno == ENOENT && quiet)
95: return (0);
96: cfg_add_cause("%s: %s", path, strerror(errno));
1.28 nicm 97: return (-1);
1.25 nicm 98: }
99:
1.32 tobias 100: found = 0;
1.42 nicm 101: while ((buf = fparseln(f, NULL, &line, delim, 0)) != NULL) {
1.32 tobias 102: log_debug("%s: %s", path, buf);
1.13 nicm 103:
1.21 nicm 104: /* Skip empty lines. */
1.32 tobias 105: p = buf;
106: while (isspace((u_char) *p))
107: p++;
108: if (*p == '\0') {
109: free(buf);
1.21 nicm 110: continue;
1.22 nicm 111: }
1.21 nicm 112:
1.28 nicm 113: /* Parse and run the command. */
1.32 tobias 114: if (cmd_string_parse(p, &cmdlist, path, line, &cause1) != 0) {
115: free(buf);
1.28 nicm 116: if (cause1 == NULL)
1.1 nicm 117: continue;
1.33 nicm 118: cfg_add_cause("%s:%zu: %s", path, line, cause1);
1.28 nicm 119: free(cause1);
1.9 nicm 120: continue;
1.20 nicm 121: }
1.32 tobias 122: free(buf);
1.28 nicm 123:
1.1 nicm 124: if (cmdlist == NULL)
125: continue;
1.49 ! nicm 126: new_cmdq = cmdq_get_command(cmdlist, NULL, NULL, 0);
! 127: if (cmdq != NULL)
! 128: cmdq_insert_after(cmdq, new_cmdq);
! 129: else
! 130: cmdq_append(c, new_cmdq);
1.1 nicm 131: cmd_list_free(cmdlist);
1.49 ! nicm 132:
1.28 nicm 133: found++;
1.1 nicm 134: }
135: fclose(f);
1.25 nicm 136:
1.28 nicm 137: return (found);
1.33 nicm 138: }
139:
140: void
1.36 nicm 141: cfg_add_cause(const char *fmt, ...)
1.33 nicm 142: {
1.36 nicm 143: va_list ap;
144: char *msg;
1.33 nicm 145:
146: va_start(ap, fmt);
147: xvasprintf(&msg, fmt, ap);
1.38 nicm 148: va_end(ap);
1.33 nicm 149:
1.35 nicm 150: cfg_ncauses++;
151: cfg_causes = xreallocarray(cfg_causes, cfg_ncauses, sizeof *cfg_causes);
152: cfg_causes[cfg_ncauses - 1] = msg;
1.33 nicm 153: }
154:
155: void
156: cfg_print_causes(struct cmd_q *cmdq)
157: {
158: u_int i;
159:
1.35 nicm 160: for (i = 0; i < cfg_ncauses; i++) {
161: cmdq_print(cmdq, "%s", cfg_causes[i]);
162: free(cfg_causes[i]);
1.33 nicm 163: }
1.35 nicm 164:
165: free(cfg_causes);
166: cfg_causes = NULL;
1.37 nicm 167: cfg_ncauses = 0;
1.17 nicm 168: }
169:
170: void
1.28 nicm 171: cfg_show_causes(struct session *s)
1.17 nicm 172: {
173: struct window_pane *wp;
174: u_int i;
175:
1.35 nicm 176: if (s == NULL || cfg_ncauses == 0)
1.17 nicm 177: return;
178: wp = s->curw->window->active;
179:
180: window_pane_set_mode(wp, &window_copy_mode);
181: window_copy_init_for_output(wp);
1.35 nicm 182: for (i = 0; i < cfg_ncauses; i++) {
183: window_copy_add(wp, "%s", cfg_causes[i]);
184: free(cfg_causes[i]);
1.17 nicm 185: }
1.35 nicm 186:
187: free(cfg_causes);
188: cfg_causes = NULL;
1.37 nicm 189: cfg_ncauses = 0;
1.1 nicm 190: }
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