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If FAT32 and a "backup boot sector" exists, also update the

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backup boot sector to the contents of the main boot sector.


git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@1356 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Eric Auer 2007-09-07 12:46:54 +00:00
parent b08c612f36
commit 0b8ae53670
1 changed files with 18 additions and 2 deletions
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20
sys/sys.c
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@ -898,7 +898,7 @@ void put_boot(int drive, char *bsFile, char *kernel_name, int load_seg, int both
{ {
#ifdef DEBUG #ifdef DEBUG
printf("writing new bootsector to drive %c:\n", drive + 'A'); printf("Writing new bootsector to drive %c:\n", drive + 'A');
#endif #endif
/* write newboot to a drive */ /* write newboot to a drive */
@ -907,6 +907,22 @@ void put_boot(int drive, char *bsFile, char *kernel_name, int load_seg, int both
printf("Can't write new boot sector to drive %c:\n", drive + 'A'); printf("Can't write new boot sector to drive %c:\n", drive + 'A');
exit(1); exit(1);
} }
if (fs==FAT32)
{
bs32 = (struct bootsectortype32 *)&newboot;
if ((bs32->bsBackupBoot > 0) && (bs32->bsBackupBoot < bs32->bsResSectors))
{
#ifdef DEBUG
printf("Writing backup of new bootsector to drive %c:\n", drive + 'A');
#endif
/* write backup of newboot to a drive (errors acceptable here) */
if (MyAbsReadWrite(drive, 1, bs32->bsBackupBoot, newboot, 1) != 0)
printf("Can't write backup of new boot sector to drive %c:\n", drive + 'A');
} /* backup*/
} /* fat32 */
} /* if write boot sector */ } /* if write boot sector */
if (bsFile != NULL) if (bsFile != NULL)
@ -914,7 +930,7 @@ void put_boot(int drive, char *bsFile, char *kernel_name, int load_seg, int both
int fd; int fd;
#ifdef DEBUG #ifdef DEBUG
printf("writing new bootsector to file %s\n", bsFile); printf("Writing new bootsector to file %s\n", bsFile);
#endif #endif
/* write newboot to bsFile */ /* write newboot to bsFile */