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Annotation of src/usr.bin/tmux/cmd-source-file.c, Revision 1.28

1.28    ! nicm        1: /* $OpenBSD: cmd-source-file.c,v 1.27 2016/10/13 22:48:51 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:
1.12      nicm       21: #include <stdlib.h>
                     22:
1.1       nicm       23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * Sources a configuration file.
                     27:  */
                     28:
1.26      nicm       29: static enum cmd_retval cmd_source_file_exec(struct cmd *, struct cmd_q *);
1.15      nicm       30:
1.26      nicm       31: static void            cmd_source_file_done(struct cmd_q *);
1.1       nicm       32:
                     33: const struct cmd_entry cmd_source_file_entry = {
1.23      nicm       34:        .name = "source-file",
                     35:        .alias = "source",
                     36:
1.25      tim        37:        .args = { "q", 1, 1 },
                     38:        .usage = "[-q] path",
1.23      nicm       39:
                     40:        .flags = 0,
                     41:        .exec = cmd_source_file_exec
1.1       nicm       42: };
                     43:
1.26      nicm       44: static enum cmd_retval
1.15      nicm       45: cmd_source_file_exec(struct cmd *self, struct cmd_q *cmdq)
                     46: {
                     47:        struct args     *args = self->args;
                     48:        struct cmd_q    *cmdq1;
1.25      tim        49:        int              quiet;
1.15      nicm       50:
1.22      nicm       51:        cmdq1 = cmdq_new(cmdq->client);
1.15      nicm       52:        cmdq1->emptyfn = cmd_source_file_done;
                     53:        cmdq1->data = cmdq;
                     54:
1.25      tim        55:        quiet = args_has(args, 'q');
                     56:        switch (load_cfg(args->argv[0], cmdq1, quiet)) {
1.15      nicm       57:        case -1:
1.25      tim        58:                cmdq_free(cmdq1);
1.15      nicm       59:                if (cfg_references == 0) {
1.25      tim        60:                        cfg_print_causes(cmdq);
1.15      nicm       61:                        return (CMD_RETURN_ERROR);
                     62:                }
1.25      tim        63:                return (CMD_RETURN_NORMAL);
1.15      nicm       64:        case 0:
1.25      tim        65:                cmdq_free(cmdq1);
1.15      nicm       66:                if (cfg_references == 0)
1.21      nicm       67:                        cfg_print_causes(cmdq);
1.15      nicm       68:                return (CMD_RETURN_NORMAL);
                     69:        }
                     70:
1.28    ! nicm       71:        log_debug("%s: cmdq %p, parent %p", __func__, cmdq1, cmdq);
        !            72:
1.15      nicm       73:        cmdq->references++;
                     74:        cfg_references++;
                     75:
                     76:        cmdq_continue(cmdq1);
                     77:        return (CMD_RETURN_WAIT);
                     78: }
                     79:
1.26      nicm       80: static void
1.15      nicm       81: cmd_source_file_done(struct cmd_q *cmdq1)
                     82: {
                     83:        struct cmd_q    *cmdq = cmdq1->data;
1.19      nicm       84:
1.28    ! nicm       85:        log_debug("%s: cmdq %p, parent %p", __func__, cmdq1, cmdq);
        !            86:
1.19      nicm       87:        if (cmdq1->client_exit >= 0)
                     88:                cmdq->client_exit = cmdq1->client_exit;
1.15      nicm       89:        cmdq_free(cmdq1);
                     90:
                     91:        cfg_references--;
1.16      nicm       92:        if (cmdq_free(cmdq))
1.15      nicm       93:                return;
1.16      nicm       94:        if (cfg_references == 0)
1.21      nicm       95:                cfg_print_causes(cmdq);
1.15      nicm       96:        cmdq_continue(cmdq);
1.1       nicm       97: }