oem_id.c

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#include <stdio.h>
 
#include "file.h"
#include "identify.h"
#include "fat12.h"
#include "fat16.h"
#include "fat32.h"
#include "nls.h"
 
#include "oem_id.h"
 
char *read_oem_id(FILE *fp)
{
   static char szOemId[9];
   int i;
 
   szOemId[8] = 0;
   if(!read_data(fp, 3, szOemId, 8))
      return NULL;
   /* sanity check */
   for(i=0; i<8; i++)
      if(szOemId[i] < ' ')
     return NULL;
   return szOemId;
} /* read_oem_id */
 
int write_oem_id(FILE *fp, const char *szOemId)
{
   static char acOemId[8];
   int i;
 
   for(i=0; (i<8) && szOemId[i]; i++)
      acOemId[i] = szOemId[i];
   while(i<8)
      acOemId[i++] = ' ';
   return write_data(fp, 3, acOemId, 8);
} /* write_eom_id */
 
int ok_to_write_oem_id(FILE *fp, const char *szPath, int bPrintMessages)
{
   if(sanity_check(fp, szPath, FAT12_BR, 0) ||
      sanity_check(fp, szPath, FAT16_BR, 0) ||
      sanity_check(fp, szPath, FAT32_BR, 0))
      return 1;
   if(bPrintMessages)
   {
      if(is_fat_12_fs(fp)||is_fat_16_fs(fp)||is_fat_32_fs(fp))
      {
     printf(
        _("%s does not seem to be a floppy or disk partition device,\n"),
        szPath);
      }
      else
      {
     printf(_("%s does not seem to have a FAT file system,\n"),
        szPath);
      }
      printf(_("use the switch -f to force writing of OEM ID\n"));
   }
   return 0;
} /* ok_to_write_oem_id */