_WCRTLINK unsigned _getdrive( void )
{
int dnum;
dnum = RdosGetCurDrive();
return( dnum );
}
_WCRTLINK char *getcwd( char *buf, size_t size )
{
int drive;
char *p;
char cwd[256];
if( buf == NULL ) {
size = 256;
p = lib_malloc( size );
} else {
p = buf;
}
drive = RdosGetCurDrive();
cwd[0] = drive + 'A';
cwd[1] = DRV_SEP;
cwd[2] = DIR_SEP;
if( RdosGetCurDir( drive, &cwd[3] ) ) {
return( strncpy( p, cwd, size ) );
} else {
return( NULL );
}
}
_WCRTLINK int _chdrive( int drive )
{
int dnum;
RdosSetCurDrive( drive );
dnum = RdosGetCurDrive();
return( dnum == drive ? 0 : -1 );
}
static drive_type getDriveType( char drv )
{
drive_type type;
int CurDrive = RdosGetCurDrive();
if( RdosSetCurDrive( drv - 'A' ) )
type = DRIVE_IS_FIXED;
else
type = DRIVE_NONE;
RdosSetCurDrive( CurDrive );
return( type );
}
_WCRTLINK CHAR_TYPE *getcwd( CHAR_TYPE *buf, size_t size )
{
int drive;
char *p;
char cwd[256];
if( buf == NULL ) {
size = 256;
p = lib_malloc( size );
}
else
p = buf;
drive = RdosGetCurDrive();
cwd[0] = drive + 'A';
cwd[1] = ':';
cwd[2] = '\\';
if( RdosGetCurDir( drive, &cwd[3] ) )
return( strncpy( p, cwd, size ) );
else
return( NULL );
}
_WCRTLINK int stat( CHAR_TYPE const *path, struct stat *buf )
{
const CHAR_TYPE * ptr;
CHAR_TYPE fullpath[_MAX_PATH];
CHAR_TYPE * fullp;
int isrootdir = 0;
int handle;
int RdosAttrib;
int ok;
CHAR_TYPE name[_MAX_PATH];
int attrib;
unsigned long wr_msb;
unsigned long wr_lsb;
long size;
int ms;
int us;
struct tm tm;
int i;
/* reject null string and names that has wildcard */
if( *path == '\0' || _mbspbrk( path, "*?" ) != NULL )
return( -1 );
/*** Determine if 'path' refers to a root directory ***/
if( _fullpath( fullpath, path, _MAX_PATH ) != NULL ) {
if( isalpha( fullpath[0] ) && fullpath[1] == ':' &&
fullpath[2] == '\\' && fullpath[3] == '\0' )
{
isrootdir = 1;
}
}
else
return( -1 );
ptr = path;
if( *_mbsinc(path ) ) ptr += 2;
if( ( (ptr[0] == '\\' || ptr[0] == '/') && ptr[1] == '\0' ) || isrootdir )
{
/* handle root directory */
CHAR_TYPE cwd[_MAX_PATH];
/* save current directory */
getcwd( cwd, _MAX_PATH );
/* try to change to specified root */
if( chdir( path ) != 0 ) return( -1 );
/* restore current directory */
chdir( cwd );
attrib = _A_SUBDIR;
wr_msb = 0;
wr_lsb = 0;
size = 0;
name[0] = NULLCHAR;
} else { /* not a root directory */
fullp = fullpath + strlen( fullpath ) - 1;
while( *fullp != '\\' && *fullp != '/' && fullp != fullpath )
fullp--;
*fullp = 0;
fullp++;
if( strlen( fullpath ) == 0 )
strcpy( fullpath, "*" );
handle = RdosOpenDir( fullpath );
ok = 0;
i = 0;
strlwr( fullp );
while( RdosReadDir( handle, i, _MAX_PATH, name, &size, &RdosAttrib, &wr_msb, &wr_lsb ) ) {
strlwr( name );
if( !strcmp( name, fullp ) ) {
ok = 1;
break;
}
i++;
}
RdosCloseDir( handle );
if( !ok )
return( -1 );
attrib = 0;
if( RdosAttrib & FILE_ATTRIBUTE_ARCHIVE ) {
attrib |= _A_ARCH;
}
if( RdosAttrib & FILE_ATTRIBUTE_DIRECTORY ) {
attrib |= _A_SUBDIR;
}
if( RdosAttrib & FILE_ATTRIBUTE_HIDDEN ) {
attrib |= _A_HIDDEN;
}
if( RdosAttrib & FILE_ATTRIBUTE_NORMAL ) {
attrib |= _A_NORMAL;
}
if( RdosAttrib & FILE_ATTRIBUTE_READONLY ) {
attrib |= _A_RDONLY;
}
if( RdosAttrib & FILE_ATTRIBUTE_SYSTEM ) {
attrib |= _A_SYSTEM;
}
}
/* process drive number */
if( *_mbsinc(path) ) {
buf->st_dev = tolower( fullpath[0] ) - 'a';
} else {
buf->st_dev = RdosGetCurDrive();
}
buf->st_rdev = buf->st_dev;
buf->st_size = size;
buf->st_mode = at2mode( attrib, name );
RdosDecodeMsbTics( wr_msb,
&tm.tm_year,
&tm.tm_mon,
&tm.tm_mday,
&tm.tm_hour );
RdosDecodeLsbTics( wr_lsb,
&tm.tm_min,
&tm.tm_sec,
&ms,
&us );
tm.tm_year -= 1900;
tm.tm_mon--;
tm.tm_isdst = -1;
tm.tm_wday = -1;
tm.tm_yday = -1;
buf->st_mtime = mktime( &tm );
buf->st_atime = buf->st_ctime = buf->st_btime = buf->st_mtime;
buf->st_nlink = 1;
buf->st_ino = buf->st_uid = buf->st_gid = 0;
buf->st_attr = attrib;
buf->st_archivedID = 0;
buf->st_updatedID = 0;
buf->st_inheritedRightsMask = 0;
buf->st_originatingNameSpace = 0;
return( 0 );
}