contrib/libjeffpc/init.c

   1 /*
   2  * Copyright (c) 2016 Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #include <jeffpc/jeffpc.h>
  24
  25 #include "init.h"
  26 #include "error_impl.h"
  27
  28 /*
  29  * We initialize these to the defaults to allow cmn_err to work even before
  30  * the library is initialized.
  31  */
  32 struct jeffpc_ops libops = {
  33         .print          = default_print,
  34         .log            = default_log,
  35         .assfail        = default_assfail,
  36         .assfail3       = default_assfail3,
  37 };
  38
  39 #define SET_OP(mem, def)                                \
  40         do {                                            \
  41                 libops.mem = ops->mem ? ops->mem : def; \
  42         } while (0)
  43
  44 void jeffpc_init(struct jeffpc_ops *ops)
  45 {
  46         struct jeffpc_ops dummy;
  47
  48         if (!ops) {
  49                 memset(&dummy, 0, sizeof(dummy));
  50                 ops = &dummy;
  51         }
  52
  53         SET_OP(print,    default_print);
  54         SET_OP(log,      default_log);
  55         SET_OP(assfail,  default_assfail);
  56         SET_OP(assfail3, default_assfail3);
  57
  58         init_str_subsys();
  59         init_val_subsys();
  60
  61 }