Move GetDiskFreeEx implementation in DJGPP to another file as some compilers try to index it's include files.

This commit is contained in:
2021-04-11 00:36:41 +01:00
parent 341fc84ab1
commit d57cc3a3ce
4 changed files with 78 additions and 43 deletions

View File

@@ -30,7 +30,7 @@ project(fssetter-dos
DESCRIPTION "Filesystem test creator for DOS"
LANGUAGES C)
set(PLATFORM_SOURCES attr.c deleted.c dirdepth.c filename.c files.c frag.c links.c os.c perms.c rsrcfork.c sparse.c dostime.h time.c volume.c xattr.c dos.c attr.h dosuname.c dosuname.h dosdefs.h)
set(PLATFORM_SOURCES attr.c deleted.c dirdepth.c filename.c files.c frag.c links.c os.c perms.c rsrcfork.c sparse.c dostime.h time.c volume.c xattr.c dos.c attr.h dosuname.c dosuname.h dosdefs.h djgpp.c)
set(EXECUTABLE_NAME "fssetter")

72
setter/src/dos/djgpp.c Normal file
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@@ -0,0 +1,72 @@
/****************************************************************************
Aaru Data Preservation Suite
-----------------------------------------------------------------------------
Author(s) : Natalia Portillo
--[ License ] ---------------------------------------------------------------
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------------
Copyright (C) 2011-2021 Natalia Portillo
*****************************************************************************/
#include <dpmi.h>
#include <errno.h>
#include <go32.h>
#include <sys/movedata.h>
#include "dosdefs.h"
unsigned int _djgpp_getdiskfree_ex(unsigned int drive, struct diskfree_ex_t* diskspace)
{
char drivePath[4];
__dpmi_regs regs;
drivePath[0] = (drive & 0xFF) + '@';
drivePath[1] = ':';
drivePath[2] = '\\';
drivePath[3] = 0;
// Use transferBuffer[0] for drivePath and transferBuffer[16] for diskfree_ex_t
dosmemput(drivePath, 0, __tb);
regs.x.ax = 0x7303;
regs.x.ds = __tb >> 4;
regs.x.dx = __tb & 0x0F;
regs.x.es = (__tb + 16) >> 4;
regs.x.di = (__tb + 16) & 0x0F;
regs.x.cx = sizeof(struct diskfree_ex_t);
__dpmi_int(0x21, &regs);
if(regs.h.al == 0 && !(regs.x.flags & 1))
{
errno = ENOSYS;
return -1;
}
else if(regs.x.flags & 1)
{
errno = EINVAL;
_doserrno = regs.x.ax;
return -1;
}
dosmemget(__tb + 16, sizeof(struct diskfree_ex_t), diskspace);
errno = 0;
_doserrno = regs.x.ax;
return 0;
}

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@@ -33,10 +33,6 @@ Copyright (C) 2011-2021 Natalia Portillo
#include <io.h>
#include <stdlib.h>
#include <string.h>
#elif defined(__DJGPP__)
#include <dpmi.h>
#include <go32.h>
#include <sys/movedata.h>
#endif
#include "dosdefs.h"
@@ -95,44 +91,7 @@ unsigned int _dos_getdiskfree_ex(unsigned int drive, struct diskfree_ex_t* disks
return 0;
#elif defined(__DJGPP__)
char drivePath[4];
__dpmi_regs regs;
drivePath[0] = (drive & 0xFF) + '@';
drivePath[1] = ':';
drivePath[2] = '\\';
drivePath[3] = 0;
// Use transferBuffer[0] for drivePath and transferBuffer[16] for diskfree_ex_t
dosmemput(drivePath, 0, __tb);
regs.x.ax = 0x7303;
regs.x.ds = __tb >> 4;
regs.x.dx = __tb & 0x0F;
regs.x.es = (__tb + 16) >> 4;
regs.x.di = (__tb + 16) & 0x0F;
regs.x.cx = sizeof(struct diskfree_ex_t);
__dpmi_int(0x21, &regs);
if(regs.h.al == 0 && !(regs.x.flags & 1))
{
errno = ENOSYS;
return -1;
}
else if(regs.x.flags & 1)
{
errno = EINVAL;
_doserrno = regs.x.ax;
return -1;
}
dosmemget(__tb + 16, sizeof(struct diskfree_ex_t), diskspace);
errno = 0;
_doserrno = regs.x.ax;
return 0;
return _djgpp_getdiskfree_ex(drive, diskspace);
#else
errno = ENOSYS;
return -1;

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@@ -75,6 +75,10 @@ typedef struct diskfree_ex_t
unsigned int _dos_getdiskfree_ex(unsigned int drive, struct diskfree_ex_t* diskspace);
#ifdef __DJGPP__
unsigned int _djgpp_getdiskfree_ex(unsigned int drive, struct diskfree_ex_t* diskspace);
#endif
#if defined(__WATCOMC__)
#if __WATCOMC__ >= 1100
#pragma pack(__pop)