Annotation of src/usr.bin/tmux/cmd-source-file.c, Revision 1.42
1.42 ! nicm 1: /* $OpenBSD: cmd-source-file.c,v 1.41 2019/06/05 20:00:53 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2008 Tiago Cunha <me@tiagocunha.org>
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:
1.31 nicm 21: #include <errno.h>
22: #include <glob.h>
1.12 nicm 23: #include <stdlib.h>
1.31 nicm 24: #include <string.h>
1.34 nicm 25: #include <vis.h>
1.12 nicm 26:
1.1 nicm 27: #include "tmux.h"
28:
29: /*
30: * Sources a configuration file.
31: */
32:
1.30 nicm 33: static enum cmd_retval cmd_source_file_exec(struct cmd *, struct cmdq_item *);
1.15 nicm 34:
1.1 nicm 35: const struct cmd_entry cmd_source_file_entry = {
1.23 nicm 36: .name = "source-file",
37: .alias = "source",
38:
1.41 nicm 39: .args = { "nqv", 1, -1 },
40: .usage = "[-nqv] path ...",
1.23 nicm 41:
42: .flags = 0,
43: .exec = cmd_source_file_exec
1.1 nicm 44: };
45:
1.42 ! nicm 46: struct cmd_source_file_data {
! 47: struct cmdq_item *item;
! 48: int flags;
! 49:
! 50: struct cmdq_item *after;
! 51: enum cmd_retval retval;
! 52:
! 53: u_int current;
! 54: char **files;
! 55: u_int nfiles;
! 56: };
! 57:
! 58: static enum cmd_retval
! 59: cmd_source_file_complete_cb(struct cmdq_item *item, __unused void *data)
! 60: {
! 61: cfg_print_causes(item);
! 62: return (CMD_RETURN_NORMAL);
! 63: }
! 64:
! 65: static void
! 66: cmd_source_file_complete(struct client *c, struct cmd_source_file_data *cdata)
! 67: {
! 68: struct cmdq_item *new_item;
! 69:
! 70: if (cfg_finished) {
! 71: if (cdata->retval == CMD_RETURN_ERROR && c->session == NULL)
! 72: c->retval = 1;
! 73: new_item = cmdq_get_callback(cmd_source_file_complete_cb, NULL);
! 74: cmdq_insert_after(cdata->after, new_item);
! 75: }
! 76:
! 77: free(cdata->files);
! 78: free(cdata);
! 79: }
! 80:
! 81: static void
! 82: cmd_source_file_done(struct client *c, const char *path, int error,
! 83: int closed, struct evbuffer *buffer, void *data)
! 84: {
! 85: struct cmd_source_file_data *cdata = data;
! 86: struct cmdq_item *item = cdata->item;
! 87: void *bdata = EVBUFFER_DATA(buffer);
! 88: size_t bsize = EVBUFFER_LENGTH(buffer);
! 89: u_int n;
! 90: struct cmdq_item *new_item;
! 91:
! 92: if (!closed)
! 93: return;
! 94:
! 95: if (error != 0)
! 96: cmdq_error(item, "%s: %s", path, strerror(error));
! 97: else if (bsize != 0) {
! 98: if (load_cfg_from_buffer(bdata, bsize, path, c, cdata->after,
! 99: cdata->flags, &new_item) < 0)
! 100: cdata->retval = CMD_RETURN_ERROR;
! 101: else if (new_item != NULL)
! 102: cdata->after = new_item;
! 103: }
! 104:
! 105: n = ++cdata->current;
! 106: if (n < cdata->nfiles)
! 107: file_read(c, cdata->files[n], cmd_source_file_done, cdata);
! 108: else {
! 109: cmd_source_file_complete(c, cdata);
! 110: cmdq_continue(item);
! 111: }
! 112: }
! 113:
! 114: static void
! 115: cmd_source_file_add(struct cmd_source_file_data *cdata, const char *path)
! 116: {
! 117: cdata->files = xreallocarray(cdata->files, cdata->nfiles + 1,
! 118: sizeof *cdata->files);
! 119: cdata->files[cdata->nfiles++] = xstrdup(path);
! 120: }
! 121:
1.26 nicm 122: static enum cmd_retval
1.30 nicm 123: cmd_source_file_exec(struct cmd *self, struct cmdq_item *item)
1.15 nicm 124: {
1.42 ! nicm 125: struct args *args = self->args;
! 126: struct cmd_source_file_data *cdata;
! 127: int flags = 0;
! 128: struct client *c = item->client;
! 129: enum cmd_retval retval = CMD_RETURN_NORMAL;
! 130: char *pattern, *cwd;
! 131: const char *path, *error;
! 132: glob_t g;
! 133: int i;
! 134: u_int j;
! 135:
! 136: cdata = xcalloc(1, sizeof *cdata);
! 137: cdata->item = item;
1.15 nicm 138:
1.37 nicm 139: if (args_has(args, 'q'))
1.42 ! nicm 140: cdata->flags |= CMD_PARSE_QUIET;
1.38 nicm 141: if (args_has(args, 'n'))
1.42 ! nicm 142: cdata->flags |= CMD_PARSE_PARSEONLY;
1.41 nicm 143: if (args_has(args, 'v'))
1.42 ! nicm 144: cdata->flags |= CMD_PARSE_VERBOSE;
! 145:
1.39 nicm 146: utf8_stravis(&cwd, server_client_get_cwd(c, NULL), VIS_GLOB);
1.31 nicm 147:
1.39 nicm 148: for (i = 0; i < args->argc; i++) {
149: path = args->argv[i];
1.42 ! nicm 150: if (strcmp(path, "-") == 0) {
! 151: cmd_source_file_add(cdata, "-");
! 152: continue;
! 153: }
! 154:
1.39 nicm 155: if (*path == '/')
156: pattern = xstrdup(path);
157: else
158: xasprintf(&pattern, "%s/%s", cwd, path);
159: log_debug("%s: %s", __func__, pattern);
160:
161: if (glob(pattern, 0, NULL, &g) != 0) {
162: error = strerror(errno);
163: if (errno != ENOENT || (~flags & CMD_PARSE_QUIET)) {
164: cmdq_error(item, "%s: %s", path, error);
165: retval = CMD_RETURN_ERROR;
166: }
167: free(pattern);
168: continue;
1.34 nicm 169: }
170: free(pattern);
171:
1.42 ! nicm 172: for (j = 0; j < g.gl_pathc; j++)
! 173: cmd_source_file_add(cdata, g.gl_pathv[j]);
1.29 nicm 174: }
1.42 ! nicm 175:
! 176: cdata->after = item;
! 177: cdata->retval = retval;
! 178:
! 179: if (cdata->nfiles != 0) {
! 180: file_read(c, cdata->files[0], cmd_source_file_done, cdata);
! 181: retval = CMD_RETURN_WAIT;
! 182: } else
! 183: cmd_source_file_complete(c, cdata);
1.31 nicm 184:
1.39 nicm 185: free(cwd);
1.31 nicm 186: return (retval);
1.1 nicm 187: }
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