tyler.durden
/
kernel
mirror of https://github.com/FDOS/kernel.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

From Lucho: fixes the CHKDSK I: "Invalid drive specification" bug 

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@773 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Bart Oldeman 2004-02-06 20:55:55 +00:00
parent d3447eef6c
commit 4950f7483b
1 changed files with 11 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
kernel/task.c
View File

@ -225,6 +225,15 @@ void new_psp(seg para, int psize)
p->ps_cmd.ctBuffer[0] = 0xd; /* command tail */
}
STATIC UBYTE chkdrv(unsigned drive) /* from FCB: 0 = default, 1 = A:, ... */
{
if (drive)
drive--; /* 0 = A:, 1 = B:, ... */
else
drive = default_drive;
return get_cds(drive) ? 0 : 0xff; /* return 0 if drive is valid, else 0xff */
}
STATIC UWORD patchPSP(UWORD pspseg, UWORD envseg, exec_blk FAR * exb,
BYTE FAR * fnam)
{
@ -278,8 +287,8 @@ set_name:
pspmcb->m_name[i] = '\0';
/* return value: AX value to be passed based on FCB values */
return (get_cds(psp->ps_fcb1.fcb_drive) ? 0 : 0xff) |
(get_cds(psp->ps_fcb2.fcb_drive) ? 0 : 0xff00);
return chkdrv(psp->ps_fcb1.fcb_drive) |
(chkdrv(psp->ps_fcb2.fcb_drive) << 8);
}
int load_transfer(UWORD ds, exec_blk *exp, UWORD fcbcode, COUNT mode)