A newer version of files has been put here, since the old version does not

work with strip.prg. QUESTION : Manuel can overwrite this one once you've finished
testing yours ?
This commit is contained in:
Eddie Runia
1999-05-05 12:58:34 +00:00
parent a34900391f
commit 8af62607db

View File

@@ -1,52 +1,311 @@
/*
$Id$
*/
#include <extend.h>
#if defined(_SO_LINUX)
#include <unistd.h>
#endif
#if defined(__GNUC__) || defined(__DJGPP__)
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#if defined(__GNUC__)
#include <unistd.h>
/* This is ugly, but we are using FOPEN, etc., and those names collide
with names in the standard C library. */
extern int open _PARAMS ((const char *, int, ...));
extern int creat _PARAMS ((const char *, mode_t));
#if !defined(HAVE_POSIX_IO)
#define HAVE_POSIX_IO
#endif
#endif
#if defined(__WATCOMC__)
#include <unistd.h>
#include <sys/stat.h>
#include <share.h>
#include <fcntl.h>
#include <io.h>
#include <errno.h>
#if !defined(HAVE_POSIX_IO)
#define HAVE_POSIX_IO
#endif
#endif
#if defined(__BORLANDC__)
#include <fcntl.h>
#include <io.h>
#include <io.h>
#endif
#if defined(_SO_DOS)
#if defined(_CC_DJGPP)
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#endif
#endif
#ifndef __WATCOMC__
extern int errno;
#endif
HARBOUR BIN2I( void );
HARBOUR I2BIN( void );
#define IT_NUMBER (IT_INTEGER|IT_LONG|IT_DOUBLE)
static int last_error = 0;
#if !defined(PATH_MAX)
// if PATH_MAX isn't defined, 256 bytes is a good number :)
#define PATH_MAX 256
#endif
static char cwd_buff[PATH_MAX+1];
#define MKLONG(_1,_2,_3,_4) (((long)_4)<<24)|(((long)_3)<<16)|(((long)_2)<<8)|_1
#define MKINT(_1,_2) (((long)_2)<<8)|_1
#define MKINT(_1,_2) (((long)_2)<<8)|_1
// FLAGS TO FOPEN
#define FO_READ 0
#define FO_WRITE 1
#define FO_READWRITE 2
#define FO_COMPAT 0
#define FO_EXCLUSIVE 16
#define FO_DENYWRITE 32
#define FO_DENYREAD 48
#define FO_DENYONE 64
#define FO_SHARE FO_DENYONE
// FLAGS TO FCREATE
#define FC_NORMAL 0
#define FC_READONLY 1
#define FC_HIDDEN 2
#define FC_SYSTEM 4
// FLAGS TO SEEK
#define FS_SET 0
#define FS_RELATIVE 1
#define FS_END 2
// NOTE: for avoid include stdio.h,
// this include define as an 'struct FILE'
// and we have a HARBOUR function named FILE() this
// made a name conflict
extern int rename( const char *, const char * );
// Convert HARBOUR flags to IO subsystem flags
static int convert_open_flags( int flags )
{
// by default FO_READ+FO_COMPAT is set
int result_flags = 0;
#if defined(HAVE_POSIX_IO)
result_flags |= O_BINARY;
if( flags == 0 )
result_flags |= O_RDONLY|SH_COMPAT;
// read & write flags
if( flags & FO_WRITE )
result_flags |= O_WRONLY;
if( flags & FO_READWRITE )
result_flags |= O_RDWR;
// shared flags
if( flags & FO_EXCLUSIVE )
result_flags |= SH_DENYRW;
if( flags & FO_DENYWRITE )
result_flags |= SH_DENYWR;
if( flags & FO_DENYREAD )
result_flags |= SH_DENYRD;
if( flags & FO_DENYONE )
result_flags |= SH_DENYNO;
if( flags & FO_SHARE )
result_flags |= SH_DENYNO;
#endif
return result_flags;
}
static int convert_seek_flags( int flags )
{
// by default FS_SET is set
int result_flags=0;
#if defined(HAVE_POSIX_IO)
result_flags = SEEK_SET;
if( flags & FS_RELATIVE )
result_flags = SEEK_CUR;
if( flags & FS_END )
result_flags = SEEK_END;
#endif
return result_flags;
}
static int convert_create_flags( int flags )
{
// by default FC_NORMAL is set
int result_flags=S_IWUSR;
#if defined(HAVE_POSIX_IO)
if( flags & FC_READONLY )
result_flags = result_flags & ~(S_IWUSR);
if( flags & FC_HIDDEN )
result_flags |= 0;
if( flags & FC_SYSTEM )
result_flags |= 0;
#endif
return result_flags;
}
// FILESYS.API FUNCTIONS --
// ------------------------
int _fsOpen( char * name, int flags )
{
#if defined(HAVE_POSIX_IO)
return open(name,convert_open_flags(flags));
#endif
}
int _fsCreate( char * name, int flags )
{
#if defined(HAVE_POSIX_IO)
return creat(name,convert_create_flags(flags));
#endif
}
void _fsClose( int handle )
{
#if defined(HAVE_POSIX_IO)
close(handle);
return;
#endif
}
long _fsRead( int handle, char * buff, long count )
{
#if defined(HAVE_POSIX_IO)
return read(handle,buff,count);
#endif
}
long _fsWrite( int handle, char * buff, long count )
{
#if defined(HAVE_POSIX_IO)
return write(handle,buff,count);
#endif
}
long _fsSeek( int handle, long offset, int flags )
{
#if defined(HAVE_POSIX_IO)
return lseek(handle,offset,convert_seek_flags(flags));
#endif
}
int _fsError()
{
return last_error;
}
void _fsDelete( char * name )
{
#if defined(HAVE_POSIX_IO)
unlink(name);
#endif
}
void _fsRename( char * older, char * newer )
{
#if defined(HAVE_POSIX_IO)
rename(older,newer);
return;
#endif
}
int _fsLock( int handle, long start, long length, long mode )
{
int result=0;
#if defined(HAVE_POSIX_IO)
// TODO: I'm thinking about this :)
#endif
return result;
}
void _fsCommit( int handle )
{
#if defined(HAVE_POSIX_IO)
// TODO: I'm thinking about this :)
#endif
return;
}
int _fsMkDir( char * name )
{
#if defined(HAVE_POSIX_IO)
return mkdir(name,S_IWUSR|S_IRUSR);
#endif
}
int _fsChDir( char * name )
{
#if defined(HAVE_POSIX_IO)
return chdir(name);
#endif
}
int _fsRmDir( char * name )
{
#if defined(HAVE_POSIX_IO)
return rmdir(name);
#endif
}
char * _fsCurDir( int driver )
{
#if defined(HAVE_POSIX_IO)
getcwd(cwd_buff,PATH_MAX);
return cwd_buff;
#endif
}
int _fsCurDrv( void )
{
#if defined(HAVE_POSIX_IO)
return 0;
#endif
}
long _fsChDrv( int driver )
{
#if defined(HAVE_POSIX_IO)
return 0;
#endif
}
long _fsIsDrv( int driver )
{
#if defined(HAVE_POSIX_IO)
return 0;
#endif
}
#ifdef NOT_IMPLEMENTED_YET
// Unknow that it make :( if anyone can say me !!
int _fsExtOpen(PBYTE filename, PBYTE defExt, ULONG flags,
PBYTE paths, ERRORP error );
#endif
// -- HARBOUR FUNCTIONS --
// -----------------------
HARBOUR FOPEN()
{
PITEM arg1_it = _param(1,IT_STRING);
PITEM arg2_it = _param(1,IT_NUMERIC);
PITEM arg2_it = _param(2,IT_NUMBER);
int open_flags;
int file_handle = -1;
@@ -58,10 +317,7 @@ HARBOUR FOPEN()
else
open_flags = 0;
/* TODO: Study equivalence between Clipper Flags & SO Flags
they are very so dependent */
file_handle = open(_parc(1),open_flags);
file_handle = _fsOpen(_parc(1),open_flags);
last_error = errno;
}
@@ -72,7 +328,7 @@ HARBOUR FOPEN()
HARBOUR FCREATE()
{
PITEM arg1_it = _param(1,IT_STRING);
PITEM arg2_it = _param(1,IT_NUMERIC);
PITEM arg2_it = _param(2,IT_NUMBER);
int create_flags;
int file_handle = -1;
@@ -84,10 +340,7 @@ HARBOUR FCREATE()
else
create_flags = 0;
/* TODO: Study equivalence between Clipper Flags & SO Flags
they are very so dependent */
file_handle = creat(_parc(1),create_flags);
file_handle = _fsCreate(_parc(1),create_flags);
last_error = errno;
}
@@ -97,15 +350,15 @@ HARBOUR FCREATE()
HARBOUR FREAD()
{
PITEM arg1_it = _param(1,IT_NUMERIC);
PITEM arg2_it = _param(1,IT_STRING+IT_BYREF);
PITEM arg3_it = _param(1,IT_NUMERIC);
PITEM arg1_it = _param(1,IT_NUMBER);
PITEM arg2_it = _param(2,IT_STRING+IT_BYREF);
PITEM arg3_it = _param(3,IT_NUMBER);
long bytes=0;
if( arg1_it && arg2_it && arg3_it )
{
bytes = read(_parni(1),_parc(2),_parnl(3));
bytes = _fsRead(_parni(1),_parc(2),_parnl(3));
last_error = errno;
}
@@ -115,28 +368,31 @@ HARBOUR FREAD()
HARBOUR FWRITE()
{
PITEM arg1_it = _param( 1, IT_NUMERIC );
PITEM arg2_it = _param( 2, IT_STRING );
long bytes = 0;
PITEM arg1_it = _param(1,IT_NUMBER);
PITEM arg2_it = _param(2,IT_STRING);
PITEM arg3_it = _param(3,IT_NUMBER);
if( arg1_it && arg2_it )
{
bytes = write( _parni( 1 ), _parc( 2 ),
_parnl( 3 ) ? _parnl( 3 ): _parclen( 2 ) );
last_error = errno;
}
_retnl( bytes );
long bytes=0;
if( arg1_it && arg2_it && arg3_it )
{
bytes = _fsWrite(_parni(1),_parc(2),_parnl(3));
last_error = errno;
}
_retnl(bytes);
return;
}
HARBOUR FERROR()
{
_retni(last_error);
_retni(_fsError());
return;
}
HARBOUR FCLOSE()
{
PITEM arg1_it = _param(1,IT_NUMERIC);
PITEM arg1_it = _param(1,IT_NUMBER);
int result=-1;
if( arg1_it )
@@ -168,7 +424,7 @@ HARBOUR FERASE()
HARBOUR FRENAME()
{
PITEM arg1_it = _param(1,IT_STRING);
PITEM arg2_it = _param(1,IT_STRING);
PITEM arg2_it = _param(2,IT_STRING);
int result=-1;
@@ -184,15 +440,15 @@ HARBOUR FRENAME()
HARBOUR FSEEK()
{
PITEM arg1_it = _param(1,IT_NUMERIC);
PITEM arg2_it = _param(1,IT_NUMERIC);
PITEM arg3_it = _param(1,IT_NUMERIC);
PITEM arg1_it = _param(1,IT_NUMBER);
PITEM arg2_it = _param(2,IT_NUMBER);
PITEM arg3_it = _param(3,IT_NUMBER);
long bytes=0;
long bytes=0;
if( arg1_it && arg2_it && arg3_it )
{
bytes = lseek(_parni(1),_parnl(2),_parni(3));
bytes = _fsSeek(_parni(1),_parnl(2),_parni(3));
last_error = errno;
}
@@ -200,22 +456,26 @@ HARBOUR FSEEK()
return;
}
HARBOUR File()
HARBOUR _FILE()
{
PITEM arg1_it = _param( 1, IT_STRING );
if( arg1_it )
{
// TODO: In this moment I'm thinking about two alternatives
// TODO: I'm thinking about this :(
}
_retl(0);
return;
}
HARBOUR FREADSTR()
{
PITEM arg1_it = _param( 1, IT_NUMERIC );
PITEM arg1_it = _param( 1, IT_NUMBER );
PITEM arg2_it = _param( 2, IT_NUMBER );
int handle;
long bytes;
long nRead;
long readed;
char * buffer;
char ch[1];
@@ -223,14 +483,14 @@ HARBOUR FREADSTR()
if( arg1_it )
{
handle = _parni(1);
bytes = _parnl(2);
bytes = (arg2_it ? _parnl(2) : 0);
buffer = ( char * ) _xgrab(bytes);
readed=0; ch[0]=1;
while( readed < bytes )
{
bytes = read(handle,ch,1);
if( bytes < 1 || ch[0] == 0 )
nRead = read(handle,ch,1);
if( nRead < 1 || ch[0] == 0 )
break;
buffer[readed]=ch[0];
readed++;
@@ -304,7 +564,7 @@ HARBOUR I2BIN()
_retclen(s,3);
}
else
_retclen("\0\0\0",3);
_retclen("\0\0",2);
return;
}
@@ -326,7 +586,7 @@ HARBOUR L2BIN()
_retclen(s,5);
}
else
_retclen("\0\0\0\0\0",5);
_retclen("\0\0\0\0",4);
return;
}