cmd-source-file.c

   1 /* $OpenBSD$ */
   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
  21 #include <stdlib.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Sources a configuration file.
  27  */
  28
  29 enum cmd_retval cmd_source_file_exec(struct cmd *, struct cmd_q *);
  30
  31 void            cmd_source_file_show(struct cmd_q *);
  32 void            cmd_source_file_done(struct cmd_q *);
  33
  34 const struct cmd_entry cmd_source_file_entry = {
  35         "source-file", "source",
  36         "", 1, 1,
  37         "path",
  38         0,
  39         NULL,
  40         NULL,
  41         cmd_source_file_exec
  42 };
  43
  44 enum cmd_retval
  45 cmd_source_file_exec(struct cmd *self, struct cmd_q *cmdq)
  46 {
  47         struct args     *args = self->args;
  48         struct cmd_q    *cmdq1;
  49         char            *cause;
  50
  51         cmdq1 = cmdq_new(NULL);
  52         cmdq1->emptyfn = cmd_source_file_done;
  53         cmdq1->data = cmdq;
  54
  55         switch (load_cfg(args->argv[0], cmdq1, &cause)) {
  56         case -1:
  57                 if (cfg_references == 0) {
  58                         cmdq_free(cmdq1);
  59                         cmdq_error(cmdq, "%s", cause);
  60                         free(cause);
  61                         return (CMD_RETURN_ERROR);
  62                 }
  63                 ARRAY_ADD(&cfg_causes, cause);
  64                 /* FALLTHROUGH */
  65         case 0:
  66                 if (cfg_references == 0)
  67                         cmd_source_file_show(cmdq);
  68                 cmdq_free(cmdq1);
  69                 return (CMD_RETURN_NORMAL);
  70         }
  71
  72         cmdq->references++;
  73         cfg_references++;
  74
  75         cmdq_continue(cmdq1);
  76         return (CMD_RETURN_WAIT);
  77 }
  78
  79 void
  80 cmd_source_file_show(struct cmd_q *cmdq)
  81 {
  82         u_int    i;
  83         char    *cause;
  84
  85         for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
  86                 cause = ARRAY_ITEM(&cfg_causes, i);
  87                 cmdq_print(cmdq, "%s", cause);
  88                 free(cause);
  89         }
  90         ARRAY_FREE(&cfg_causes);
  91 }
  92
  93 void
  94 cmd_source_file_done(struct cmd_q *cmdq1)
  95 {
  96         struct cmd_q    *cmdq = cmdq1->data;
  97
  98         cmdq_free(cmdq1);
  99
 100         cfg_references--;
 101
 102         if (cmdq_free(cmdq))
 103                 return;
 104
 105         if (cfg_references == 0)
 106                 cmd_source_file_show(cmdq);
 107         cmdq_continue(cmdq);
 108 }