aplfw/volume/fat/fatvol_flushfat.c

   1
   2 #include <string.h>
   3 #include "fatvol_local.h"
   4
   5
   6 /** FATのフラッシュ */
   7 void FatVol_FlushFat(C_FATVOL *self)
   8 {
   9         unsigned long i;
  10
  11         /* FAT先頭へ移動 */
  12         File_Seek(self->hBlockFile, self->uiFatStartSector * self->uiBytesPerSector, FILE_SEEK_SET);
  13
  14         for ( i = 0; i < self->uiFatNum; i++ )
  15         {
  16                 int j;
  17
  18                 for ( j = 0; j < self->uiSectorPerFat; j++ )
  19                 {
  20                         if ( self->pubFatDirty[j] )
  21                         {
  22                                 File_Write(self->hBlockFile, &self->pubFatBuf[j * self->uiBytesPerSector], self->uiBytesPerSector);
  23                         }
  24                         else
  25                         {
  26                                 File_Seek(self->hBlockFile, self->uiBytesPerSector, FILE_SEEK_CUR);
  27                         }
  28                 }
  29         }
  30
  31         /* 更新フラグクリア */
  32         memset(self->pubFatDirty, 0, self->uiSectorPerFat);
  33 }
  34
  35
  36 /* end of file */