153 lines
3.5 KiB
C
153 lines
3.5 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Damien Doligez, projet Para, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* en Automatique. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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/* MacOS-specific stuff */
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#include <stdio.h>
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#include <stdlib.h>
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#include <Files.h>
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#include <IntEnv.h>
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#include <MacTypes.h>
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#include <TextUtils.h>
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#include "rotatecursor.h"
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/* The user interface defaults to MPW tool. The standalone application
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overrides the ui_* functions, as well as [main], [InitCursorCtl],
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[RotateCursor], [atexit], [getenv], and the terminfo functions.
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*/
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void ui_exit (int return_code)
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{
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exit (return_code);
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}
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int ui_read (int file_desc, char *buf, unsigned int length)
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{
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ROTATECURSOR_MAGIC ();
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return read (file_desc, buf, length);
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}
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int ui_write (int file_desc, char *buf, unsigned int length)
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{
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ROTATECURSOR_MAGIC ();
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return write (file_desc, buf, length);
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}
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void ui_print_stderr (char *format, void *arg)
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{
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ROTATECURSOR_MAGIC ();
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fprintf (stderr, format, arg);
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fflush (stderr);
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}
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/* Unix emulation stuff */
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static short prevdir = 0;
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int chdir (char *dir)
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{
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WDPBRec pb;
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int result;
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short curdir;
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pb.ioCompletion = NULL;
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pb.ioNamePtr = c2pstr (dir);
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pb.ioVRefNum = 0;
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pb.ioWDProcID = 'Caml';
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pb.ioWDDirID = 0;
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result = PBOpenWDSync (&pb);
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p2cstr ((unsigned char *) dir);
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if (result != noErr) return -1;
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curdir = pb.ioVRefNum;
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result = SetVol (NULL, curdir);
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if (result != noErr) return -1;
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if (prevdir != 0){
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pb.ioVRefNum = prevdir;
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PBCloseWDSync (&pb);
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}
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prevdir = curdir;
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return 0;
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}
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Handle macos_getfullpathname (short vrefnum, long dirid)
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{
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Handle result = NewHandle (0);
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CInfoPBRec mypb;
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Str255 dirname;
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OSErr err;
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if (result == NULL) goto failed;
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mypb.dirInfo.ioNamePtr = dirname;
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mypb.dirInfo.ioVRefNum = vrefnum;
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mypb.dirInfo.ioDrParID = dirid;
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mypb.dirInfo.ioFDirIndex = -1;
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do{
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mypb.dirInfo.ioDrDirID = mypb.dirInfo.ioDrParID;
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err = PBGetCatInfo (&mypb, false);
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if (err) goto failed;
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Munger (result, 0, NULL, 0, ":", 1);
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Munger (result, 0, NULL, 0, dirname+1, dirname[0]);
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/* XXX out of memory ?! */
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}while (mypb.dirInfo.ioDrDirID != fsRtDirID);
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return result;
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failed:
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if (result != NULL) DisposeHandle (result);
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return NULL;
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}
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char *getcwd (char *buf, long size)
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{
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size_t len;
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Handle path = macos_getfullpathname (0, 0);
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if (path == NULL) return NULL;
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len = GetHandleSize (path);
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if (len+1 >= size){
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DisposeHandle (path);
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return NULL;
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}
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if (buf == NULL){
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buf = malloc (len+1);
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if (buf == NULL) return NULL;
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}
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memcpy (buf, *path, len);
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buf [len] = '\000';
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DisposeHandle (path);
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return buf;
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}
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int system (char const *cmd)
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{
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char *filename;
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FILE *f;
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if (StandAlone) return -1;
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filename = getenv ("ocamlcommands");
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if (filename == NULL) return 1;
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f = fopen (filename, "a");
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if (f == NULL) return 1;
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fprintf (f, "%s\n", cmd);
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fclose (f);
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return 0;
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}
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