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 "tmux.h"
  22
  23 /*
  24  * Sources a configuration file.
  25  */
  26
  27 int     cmd_source_file_parse(struct cmd *, int, char **, char **);
  28 int     cmd_source_file_exec(struct cmd *, struct cmd_ctx *);
  29 void    cmd_source_file_free(struct cmd *);
  30 void    cmd_source_file_init(struct cmd *, int);
  31 size_t  cmd_source_file_print(struct cmd *, char *, size_t);
  32
  33 struct cmd_source_file_data {
  34         char *path;
  35 };
  36
  37 const struct cmd_entry cmd_source_file_entry = {
  38         "source-file", "source",
  39         "path",
  40         0, "",
  41         cmd_source_file_init,
  42         cmd_source_file_parse,
  43         cmd_source_file_exec,
  44         cmd_source_file_free,
  45         cmd_source_file_print
  46 };
  47
  48 /* ARGSUSED */
  49 void
  50 cmd_source_file_init(struct cmd *self, unused int arg)
  51 {
  52         struct cmd_source_file_data     *data;
  53
  54         self->data = data = xmalloc(sizeof *data);
  55         data->path = NULL;
  56 }
  57
  58 int
  59 cmd_source_file_parse(struct cmd *self, int argc, char **argv, char **cause)
  60 {
  61         struct cmd_source_file_data     *data;
  62         int                              opt;
  63
  64         self->entry->init(self, KEYC_NONE);
  65         data = self->data;
  66
  67         while ((opt = getopt(argc, argv, "")) != -1) {
  68                 switch (opt) {
  69                 default:
  70                         goto usage;
  71                 }
  72         }
  73         argc -= optind;
  74         argv += optind;
  75         if (argc != 1)
  76                 goto usage;
  77
  78         data->path = xstrdup(argv[0]);
  79         return (0);
  80
  81 usage:
  82         xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
  83
  84         self->entry->free(self);
  85         return (-1);
  86 }
  87
  88 int
  89 cmd_source_file_exec(struct cmd *self, struct cmd_ctx *ctx)
  90 {
  91         struct cmd_source_file_data     *data = self->data;
  92         struct causelist                 causes;
  93         char                            *cause;
  94         u_int                            i;
  95
  96         ARRAY_INIT(&causes);
  97         if (load_cfg(data->path, ctx, &causes) != 0) {
  98                 for (i = 0; i < ARRAY_LENGTH(&causes); i++) {
  99                         cause = ARRAY_ITEM(&causes, i);
 100                         ctx->print(ctx, "%s", cause);
 101                         xfree(cause);
 102                 }
 103                 ARRAY_FREE(&causes);
 104         }
 105
 106         return (0);
 107 }
 108
 109 void
 110 cmd_source_file_free(struct cmd *self)
 111 {
 112         struct cmd_source_file_data     *data = self->data;
 113
 114         if (data->path != NULL)
 115                 xfree(data->path);
 116         xfree(data);
 117 }
 118
 119 size_t
 120 cmd_source_file_print(struct cmd *self, char *buf, size_t len)
 121 {
 122         struct cmd_source_file_data     *data = self->data;
 123         size_t                          off = 0;
 124
 125         off += xsnprintf(buf, len, "%s", self->entry->name);
 126         if (data == NULL)
 127                 return (off);
 128         if (off < len && data->path != NULL)
 129                 off += cmd_prarg(buf + off, len - off, " ", data->path);
 130         return (off);
 131 }