src/io-dump/dump-remover.c

   1 #include "io-dump/dump-remover.h"
   2 #include "io-dump/dump-util.h"
   3 #include "io/read-pref-file.h"
   4 #include "util/angband-files.h"
   5
   6 /*!
   7  * @brief prefファイルを選択して処理する /
   8  * Ask for a "user pref line" and process it
   9  * @brief prf出力内容を消去する /
  10  * Remove old lines automatically generated before.
  11  * @param orig_file 消去を行うファイル名
  12  */
  13 void remove_auto_dump(concptr orig_file, concptr auto_dump_mark)
  14 {
  15         char buf[1024];
  16         bool between_mark = FALSE;
  17         bool changed = FALSE;
  18         int line_num = 0;
  19         long header_location = 0;
  20         char header_mark_str[80];
  21         char footer_mark_str[80];
  22
  23         sprintf(header_mark_str, auto_dump_header, auto_dump_mark);
  24         sprintf(footer_mark_str, auto_dump_footer, auto_dump_mark);
  25         size_t mark_len = strlen(footer_mark_str);
  26
  27         FILE *orig_fff;
  28         orig_fff = angband_fopen(orig_file, "r");
  29         if (!orig_fff) return;
  30
  31         FILE *tmp_fff = NULL;
  32         char tmp_file[FILE_NAME_SIZE];
  33         if (!open_temporary_file(&tmp_fff, tmp_file)) return;
  34
  35         while (TRUE)
  36         {
  37                 if (angband_fgets(orig_fff, buf, sizeof(buf)))
  38                 {
  39                         if (between_mark)
  40                         {
  41                                 fseek(orig_fff, header_location, SEEK_SET);
  42                                 between_mark = FALSE;
  43                                 continue;
  44                         }
  45                         else
  46                         {
  47                                 break;
  48                         }
  49                 }
  50
  51                 if (!between_mark)
  52                 {
  53                         if (!strcmp(buf, header_mark_str))
  54                         {
  55                                 header_location = ftell(orig_fff);
  56                                 line_num = 0;
  57                                 between_mark = TRUE;
  58                                 changed = TRUE;
  59                         }
  60                         else
  61                         {
  62                                 fprintf(tmp_fff, "%s\n", buf);
  63                         }
  64
  65                         continue;
  66                 }
  67
  68                 if (!strncmp(buf, footer_mark_str, mark_len))
  69                 {
  70                         int tmp;
  71                         if (!sscanf(buf + mark_len, " (%d)", &tmp)
  72                                 || tmp != line_num)
  73                         {
  74                                 fseek(orig_fff, header_location, SEEK_SET);
  75                         }
  76
  77                         between_mark = FALSE;
  78                         continue;
  79                 }
  80
  81                 line_num++;
  82         }
  83
  84         angband_fclose(orig_fff);
  85         angband_fclose(tmp_fff);
  86
  87         if (changed)
  88         {
  89                 tmp_fff = angband_fopen(tmp_file, "r");
  90                 orig_fff = angband_fopen(orig_file, "w");
  91                 while (!angband_fgets(tmp_fff, buf, sizeof(buf)))
  92                         fprintf(orig_fff, "%s\n", buf);
  93
  94                 angband_fclose(orig_fff);
  95                 angband_fclose(tmp_fff);
  96         }
  97
  98         fd_kill(tmp_file);
  99 }