Annotation of src/usr.bin/tmux/cfg.c, Revision 1.57
1.57 ! nicm 1: /* $OpenBSD: cfg.c,v 1.56 2017/04/21 13:15:43 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:
1.55 nicm 31: static char *cfg_file;
1.51 nicm 32: int cfg_finished;
33: static char **cfg_causes;
34: static u_int cfg_ncauses;
1.40 nicm 35:
1.49 nicm 36: static enum cmd_retval
1.50 nicm 37: cfg_done(__unused struct cmdq_item *item, __unused void *data)
1.49 nicm 38: {
39: if (cfg_finished)
40: return (CMD_RETURN_NORMAL);
41: cfg_finished = 1;
42:
43: if (!RB_EMPTY(&sessions))
44: cfg_show_causes(RB_MIN(sessions, &sessions));
1.57 ! nicm 45:
! 46: status_prompt_load_history();
1.49 nicm 47:
48: return (CMD_RETURN_NORMAL);
49: }
1.40 nicm 50:
51: void
1.41 nicm 52: set_cfg_file(const char *path)
53: {
54: free(cfg_file);
55: cfg_file = xstrdup(path);
56: }
57:
58: void
1.40 nicm 59: start_cfg(void)
60: {
1.41 nicm 61: const char *home;
1.45 tim 62: int quiet = 0;
1.40 nicm 63:
1.56 nicm 64: /*
65: * Note that the configuration files are loaded without a client, so
66: * NULL is passed into load_cfg() which means that commands run in the
67: * global queue and item->client is NULL for all commands.
68: */
1.40 nicm 69:
1.56 nicm 70: load_cfg(TMUX_CONF, NULL, NULL, 1);
1.40 nicm 71:
1.41 nicm 72: if (cfg_file == NULL && (home = find_home()) != NULL) {
73: xasprintf(&cfg_file, "%s/.tmux.conf", home);
1.45 tim 74: quiet = 1;
1.41 nicm 75: }
1.45 tim 76: if (cfg_file != NULL)
1.56 nicm 77: load_cfg(cfg_file, NULL, NULL, quiet);
1.40 nicm 78:
1.56 nicm 79: cmdq_append(NULL, cmdq_get_callback(cfg_done, NULL));
1.40 nicm 80: }
1.1 nicm 81:
1.28 nicm 82: int
1.50 nicm 83: load_cfg(const char *path, struct client *c, struct cmdq_item *item, int quiet)
1.1 nicm 84: {
1.50 nicm 85: FILE *f;
1.52 nicm 86: const char delim[3] = { '\\', '\\', '\0' };
87: u_int found = 0;
1.50 nicm 88: size_t line = 0;
1.52 nicm 89: char *buf, *cause1, *p, *q, *s;
1.50 nicm 90: struct cmd_list *cmdlist;
91: struct cmdq_item *new_item;
1.52 nicm 92: int condition = 0;
93: struct format_tree *ft;
1.1 nicm 94:
1.29 nicm 95: log_debug("loading %s", path);
1.1 nicm 96: if ((f = fopen(path, "rb")) == NULL) {
1.45 tim 97: if (errno == ENOENT && quiet)
98: return (0);
99: cfg_add_cause("%s: %s", path, strerror(errno));
1.28 nicm 100: return (-1);
1.25 nicm 101: }
102:
1.42 nicm 103: while ((buf = fparseln(f, NULL, &line, delim, 0)) != NULL) {
1.32 tobias 104: log_debug("%s: %s", path, buf);
1.13 nicm 105:
1.32 tobias 106: p = buf;
1.52 nicm 107: while (isspace((u_char)*p))
1.32 tobias 108: p++;
109: if (*p == '\0') {
110: free(buf);
1.21 nicm 111: continue;
1.22 nicm 112: }
1.52 nicm 113: q = p + strlen(p) - 1;
114: while (q != p && isspace((u_char)*q))
115: *q-- = '\0';
116:
117: if (condition != 0 && strcmp(p, "%endif") == 0) {
118: condition = 0;
119: continue;
120: }
121: if (strncmp(p, "%if ", 4) == 0) {
122: if (condition != 0) {
123: cfg_add_cause("%s:%zu: nested %%if", path,
124: line);
125: continue;
126: }
1.54 nicm 127: ft = format_create(NULL, FORMAT_NONE, FORMAT_NOJOBS);
1.52 nicm 128:
129: s = p + 3;
130: while (isspace((u_char)*s))
131: s++;
132: s = format_expand(ft, s);
133: if (*s != '\0' && (s[0] != '0' || s[1] != '\0'))
134: condition = 1;
135: else
136: condition = -1;
137: free(s);
138:
139: format_free(ft);
140: continue;
141: }
142: if (condition == -1)
143: continue;
1.21 nicm 144:
1.53 nicm 145: cmdlist = cmd_string_parse(p, path, line, &cause1);
146: if (cmdlist == NULL) {
1.32 tobias 147: free(buf);
1.28 nicm 148: if (cause1 == NULL)
1.1 nicm 149: continue;
1.33 nicm 150: cfg_add_cause("%s:%zu: %s", path, line, cause1);
1.28 nicm 151: free(cause1);
1.9 nicm 152: continue;
1.20 nicm 153: }
1.32 tobias 154: free(buf);
1.28 nicm 155:
1.1 nicm 156: if (cmdlist == NULL)
157: continue;
1.50 nicm 158: new_item = cmdq_get_command(cmdlist, NULL, NULL, 0);
159: if (item != NULL)
160: cmdq_insert_after(item, new_item);
1.49 nicm 161: else
1.50 nicm 162: cmdq_append(c, new_item);
1.1 nicm 163: cmd_list_free(cmdlist);
1.49 nicm 164:
1.28 nicm 165: found++;
1.1 nicm 166: }
167: fclose(f);
1.25 nicm 168:
1.28 nicm 169: return (found);
1.33 nicm 170: }
171:
172: void
1.36 nicm 173: cfg_add_cause(const char *fmt, ...)
1.33 nicm 174: {
1.36 nicm 175: va_list ap;
176: char *msg;
1.33 nicm 177:
178: va_start(ap, fmt);
179: xvasprintf(&msg, fmt, ap);
1.38 nicm 180: va_end(ap);
1.33 nicm 181:
1.35 nicm 182: cfg_ncauses++;
183: cfg_causes = xreallocarray(cfg_causes, cfg_ncauses, sizeof *cfg_causes);
184: cfg_causes[cfg_ncauses - 1] = msg;
1.33 nicm 185: }
186:
187: void
1.50 nicm 188: cfg_print_causes(struct cmdq_item *item)
1.33 nicm 189: {
190: u_int i;
191:
1.35 nicm 192: for (i = 0; i < cfg_ncauses; i++) {
1.50 nicm 193: cmdq_print(item, "%s", cfg_causes[i]);
1.35 nicm 194: free(cfg_causes[i]);
1.33 nicm 195: }
1.35 nicm 196:
197: free(cfg_causes);
198: cfg_causes = NULL;
1.37 nicm 199: cfg_ncauses = 0;
1.17 nicm 200: }
201:
202: void
1.28 nicm 203: cfg_show_causes(struct session *s)
1.17 nicm 204: {
205: struct window_pane *wp;
206: u_int i;
207:
1.35 nicm 208: if (s == NULL || cfg_ncauses == 0)
1.17 nicm 209: return;
210: wp = s->curw->window->active;
211:
212: window_pane_set_mode(wp, &window_copy_mode);
213: window_copy_init_for_output(wp);
1.35 nicm 214: for (i = 0; i < cfg_ncauses; i++) {
215: window_copy_add(wp, "%s", cfg_causes[i]);
216: free(cfg_causes[i]);
1.17 nicm 217: }
1.35 nicm 218:
219: free(cfg_causes);
220: cfg_causes = NULL;
1.37 nicm 221: cfg_ncauses = 0;
1.1 nicm 222: }
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