Mercurial > cpython-lru_cache-weakref

annotate Mac/Compat/chdir.c @ 5817:48b94de85bf3 legacy-trunk

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Extensive changes by AMK.
author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 1997 16:29:42 +0000
parents 520e1855a24d
children
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1 /* Chdir for the Macintosh.
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2 Public domain by Guido van Rossum, CWI, Amsterdam (July 1987).
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3 Pathnames must be Macintosh paths, with colons as separators. */
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4
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5 #include "macdefs.h"
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6
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7 #ifdef __MWERKS__
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8 /* XXXX All compilers should use this, really */
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9 #include <LowMem.h>
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10 #else
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11 /* Last directory used by Standard File */
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12 #define SFSaveDisk (*(short *)0x214)
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13 #define CurDirStore (*(long *)0x398)
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14 #endif
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15
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16 /* Change current directory. */
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17
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18 int
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19 chdir(path)
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20 char *path;
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21 {
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22 WDPBRec pb;
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23
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24 pb.ioNamePtr= (StringPtr) Pstring(path);
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25 pb.ioVRefNum= 0;
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26 pb.ioWDDirID= 0;
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27 if (PBHSetVol(&pb, FALSE) != noErr) {
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28 errno= ENOENT;
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29 return -1;
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30 }
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31 if (PBHGetVol(&pb, FALSE) == noErr) {
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32 /* Set the Standard File directory */
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33 #ifdef __MWERKS__
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34 LMSetSFSaveDisk(-pb.ioWDVRefNum);
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35 LMSetCurDirStore(pb.ioWDDirID);
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36 #else
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37 SFSaveDisk= -pb.ioWDVRefNum;
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38 CurDirStore= pb.ioWDDirID;
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39 #endif
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40 }
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41 return 0;
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42 }