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kernel
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corrections for prior sys changes 

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/branches/UNSTABLE@1076 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Kenneth J Davis 2004-12-20 00:13:32 +00:00
parent fc19c3584f
commit d3482e2c86
1 changed files with 28 additions and 11 deletions
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39
sys/sys.c
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@ -152,12 +152,14 @@ int write(int fd, const void *buf, unsigned count)
#define close _dos_close
int stat(const char *file_name, struct stat *buf)
int stat(const char *file_name, struct stat *statbuf)
{
struct find_t find_tbuf;
UNREFERENCED_PARAMETER(buf);
return _dos_findfirst(file_name, _A_NORMAL | _A_HIDDEN | _A_SYSTEM, &find_tbuf);
int ret = _dos_findfirst(file_name, _A_NORMAL | _A_HIDDEN | _A_SYSTEM, &find_tbuf);
statbuf->st_size = (off_t)find_tbuf.size;
/* statbuf->st_attr = (ULONG)find_tbuf.attrib; */
return ret;
}
/* WATCOM's getenv is case-insensitive which wastes a lot of space
@ -297,6 +299,16 @@ DOSBootFiles bootFiles[] = {
#define OEM_MS 3 /* use PC-DOS compatible BS with MS names */
#define OEM_W9x 4 /* use FreeDOS boot sector but with MS names */
CONST char * msgDOS[DOSFLAVORS] = {
"\n", /* In standard FreeDOS mode, don't print anything special */
"DR DOS (OpenDOS Enhancement Project) mode\n",
#ifdef WITHOEMCOMPATBS
"PC-DOS compatibility mode\n",
"MS-DOS compatibility mode\n",
#endif
"Win9x DOS compatibility mode\n",
};
typedef struct SYSOptions {
BYTE srcDrive[SYS_MAXPATH]; /* source drive:[path], root assumed if no path */
BYTE dstDrive; /* destination drive [STD SYS option] */
@ -512,8 +524,8 @@ void initOptions(int argc, char *argv[], SYSOptions *opts)
{
int slen;
/* set source path, reserving room to append filename */
if ( (argv[drivearg][1] == ':') || (argv[drivearg][1] == '\\') )
strncpy(opts->srcDrive, argv[drivearg], SYS_MAXPATH-13);
if ( (argv[srcarg][1] == ':') /* || ((argv[srcarg][0]=='\\') && (argv[srcarg][1] == '\\'))*/ )
strncpy(opts->srcDrive, argv[srcarg], SYS_MAXPATH-13);
else /* only path provided, append to default drive */
strncat(opts->srcDrive, argv[srcarg], SYS_MAXPATH-15);
slen = strlen(opts->srcDrive);
@ -584,9 +596,12 @@ void initOptions(int argc, char *argv[], SYSOptions *opts)
}
}
}
/* if unable to determine DOS, assume FreeDOS */
if (opts->flavor == OEM_AUTO) opts->flavor = OEM_FD;
printf(msgDOS[opts->flavor]);
/* set compatibility settings not explicitly set */
if (!opts->kernel.kernel) opts->kernel.kernel = bootFiles[opts->flavor].kernel;
if (!opts->kernel.dos) opts->kernel.dos = bootFiles[opts->flavor].dos;
@ -657,7 +672,7 @@ int main(int argc, char **argv)
SYSOptions opts; /* boot options and other flags */
BYTE srcFile[SYS_MAXPATH]; /* full path+name of [kernel] file [to copy] */
printf("FreeDOS System Installer " SYS_VERSION ", " __DATE__ "\n\n");
printf("FreeDOS System Installer " SYS_VERSION ", " __DATE__ "\n");
if (argc > 1 && memicmp(argv[1], "CONFIG", 6) == 0)
{
@ -1132,7 +1147,7 @@ void put_boot(SYSOptions *opts)
ULONG fatSize, totalSectors, dataSectors, clusters;
UCOUNT rootDirSectors;
bs32 = (struct bootsectortype32 *)&oldboot;
bs32 = (struct bootsectortype32 *)bs;
rootDirSectors = (bs->bsRootDirEnts * DIRENT_SIZE /* 32 */
+ bs32->bsBytesPerSec - 1) / bs32->bsBytesPerSec;
fatSize = bs32->bsFATsecs ? bs32->bsFATsecs : bs32->bsBigFatSize;
@ -1187,12 +1202,14 @@ void put_boot(SYSOptions *opts)
correct_bpb((struct bootsectortype *)(default_bpb + 7 - 11), bs);
if (opts->kernel.stdbs)
{
memcpy(newboot, (fs == FAT16) ? fat16com : fat12com, SEC_SIZE);
}
else
{
printf("Using PC-DOS compatible boot sector.\n");
printf("Using OEM (PC/MS-DOS) compatible boot sector.\n");
memcpy(newboot, (fs == FAT16) ? oemfat16 : oemfat12, SEC_SIZE);
}
else
memcpy(newboot, (fs == FAT16) ? fat16com : fat12com, SEC_SIZE);
}
/* Copy disk parameter from old sector to new sector */
@ -1272,7 +1289,7 @@ void put_boot(SYSOptions *opts)
if (opts->ignoreBIOS)
{
if ( ((int *)newboot)[bsBiosMovOff/sizeof(int)] == 0x5688 )
if ( (newboot[bsBiosMovOff]==0x88) && (newboot[bsBiosMovOff+1]==0x56) )
{
newboot[bsBiosMovOff] = 0x90; /* NOP */ ++bsBiosMovOff;
newboot[bsBiosMovOff] = 0x90; /* NOP */ ++bsBiosMovOff;