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   1 /*
   2  * Copyright © 2016 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  */
  14
  15 #include "ao_scheme.h"
  16 #include <stdio.h>
  17
  18 static char save_file[] = "scheme.image";
  19
  20 int
  21 ao_scheme_os_save(void)
  22 {
  23         FILE    *save = fopen(save_file, "w");
  24
  25         if (!save) {
  26                 perror(save_file);
  27                 return 0;
  28         }
  29         fwrite(ao_scheme_pool, 1, AO_SCHEME_POOL_TOTAL, save);
  30         fclose(save);
  31         return 1;
  32 }
  33
  34 int
  35 ao_scheme_os_restore_save(struct ao_scheme_os_save *save, int offset)
  36 {
  37         FILE    *restore = fopen(save_file, "r");
  38         size_t  ret;
  39
  40         if (!restore) {
  41                 perror(save_file);
  42                 return 0;
  43         }
  44         fseek(restore, offset, SEEK_SET);
  45         ret = fread(save, sizeof (struct ao_scheme_os_save), 1, restore);
  46         fclose(restore);
  47         if (ret != 1)
  48                 return 0;
  49         return 1;
  50 }
  51
  52 int
  53 ao_scheme_os_restore(void)
  54 {
  55         FILE    *restore = fopen(save_file, "r");
  56         size_t  ret;
  57
  58         if (!restore) {
  59                 perror(save_file);
  60                 return 0;
  61         }
  62         ret = fread(ao_scheme_pool, 1, AO_SCHEME_POOL_TOTAL, restore);
  63         fclose(restore);
  64         if (ret != AO_SCHEME_POOL_TOTAL)
  65                 return 0;
  66         return 1;
  67 }
  68
  69 int
  70 main (int argc, char **argv)
  71 {
  72         (void) argc;
  73
  74         while (*++argv) {
  75                 FILE *in = fopen(*argv, "r");
  76                 if (!in) {
  77                         perror(*argv);
  78                         exit(1);
  79                 }
  80                 ao_scheme_read_eval_print(in, stdout, false);
  81                 fclose(in);
  82         }
  83         ao_scheme_read_eval_print(stdin, stdout, true);
  84
  85 #ifdef DBG_MEM_STATS
  86         printf ("collects: full: %lu incremental %lu\n",
  87                 ao_scheme_collects[AO_SCHEME_COLLECT_FULL],
  88                 ao_scheme_collects[AO_SCHEME_COLLECT_INCREMENTAL]);
  89
  90         printf ("freed: full %lu incremental %lu\n",
  91                 ao_scheme_freed[AO_SCHEME_COLLECT_FULL],
  92                 ao_scheme_freed[AO_SCHEME_COLLECT_INCREMENTAL]);
  93
  94         printf("loops: full %lu incremental %lu\n",
  95                 ao_scheme_loops[AO_SCHEME_COLLECT_FULL],
  96                 ao_scheme_loops[AO_SCHEME_COLLECT_INCREMENTAL]);
  97
  98         printf("loops per collect: full %f incremental %f\n",
  99                (double) ao_scheme_loops[AO_SCHEME_COLLECT_FULL] /
 100                (double) ao_scheme_collects[AO_SCHEME_COLLECT_FULL],
 101                (double) ao_scheme_loops[AO_SCHEME_COLLECT_INCREMENTAL] /
 102                (double) ao_scheme_collects[AO_SCHEME_COLLECT_INCREMENTAL]);
 103
 104         printf("freed per collect: full %f incremental %f\n",
 105                (double) ao_scheme_freed[AO_SCHEME_COLLECT_FULL] /
 106                (double) ao_scheme_collects[AO_SCHEME_COLLECT_FULL],
 107                (double) ao_scheme_freed[AO_SCHEME_COLLECT_INCREMENTAL] /
 108                (double) ao_scheme_collects[AO_SCHEME_COLLECT_INCREMENTAL]);
 109
 110         printf("freed per loop: full %f incremental %f\n",
 111                (double) ao_scheme_freed[AO_SCHEME_COLLECT_FULL] /
 112                (double) ao_scheme_loops[AO_SCHEME_COLLECT_FULL],
 113                (double) ao_scheme_freed[AO_SCHEME_COLLECT_INCREMENTAL] /
 114                (double) ao_scheme_loops[AO_SCHEME_COLLECT_INCREMENTAL]);
 115 #endif
 116 }