Mercurial > cpython-lru_cache-weakref

annotate Mac/Compat/macstat.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 d41eee6d2ff7
children 16155989fa93
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1 /* Minimal 'stat' emulation: tells directories from files and
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2 gives length and mtime.
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3 Public domain by Guido van Rossum, CWI, Amsterdam (July 1987).
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4 Updated to give more info, August 1994.
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5 */
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6
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7 #include "macstat.h"
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8 #include "macdefs.h"
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9
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10 /* Bits in ioFlAttrib: */
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11 #define LOCKBIT (1<<0) /* File locked */
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12 #define DIRBIT (1<<4) /* It's a directory */
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13
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14 int
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15 macstat(path, buf)
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16 char *path;
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17 struct macstat *buf;
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18 {
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19 union {
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20 DirInfo d;
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21 FileParam f;
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22 HFileInfo hf;
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23 } pb;
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24 short err;
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25
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26 pb.d.ioNamePtr = (unsigned char *)Pstring(path);
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27 pb.d.ioVRefNum = 0;
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28 pb.d.ioFDirIndex = 0;
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29 pb.d.ioDrDirID = 0;
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30 pb.f.ioFVersNum = 0; /* Fix found by Timo! See Tech Note 102 */
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31 if (hfsrunning())
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32 err = PBGetCatInfoSync((CInfoPBPtr)&pb);
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33 else
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34 err = PBGetFInfoSync((ParmBlkPtr)&pb);
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35 if (err != noErr) {
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36 errno = ENOENT;
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37 return -1;
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38 }
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39 if (pb.d.ioFlAttrib & LOCKBIT)
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40 buf->st_mode = 0444;
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41 else
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42 buf->st_mode = 0666;
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43 if (pb.d.ioFlAttrib & DIRBIT) {
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44 buf->st_mode |= 0111 | S_IFDIR;
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45 buf->st_size = pb.d.ioDrNmFls;
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46 buf->st_rsize = 0;
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47 }
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48 else {
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49 buf->st_mode |= S_IFREG;
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50 if (pb.f.ioFlFndrInfo.fdType == 'APPL')
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51 buf->st_mode |= 0111;
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52 }
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53 buf->st_ino = pb.hf.ioDirID;
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54 buf->st_nlink = 1;
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55 buf->st_uid = 1;
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56 buf->st_gid = 1;
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57 buf->st_size = (buf->st_mode & S_IFDIR) ? 0 : pb.f.ioFlLgLen;
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58 buf->st_mtime = buf->st_atime = pb.f.ioFlMdDat;
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59 buf->st_ctime = pb.f.ioFlCrDat;
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60 buf->st_rsize = (buf->st_mode & S_IFDIR) ? 0 : pb.f.ioFlRLgLen;
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61 *(unsigned long *)buf->st_type =
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62 (buf->st_mode & S_IFDIR) ? 0 : pb.f.ioFlFndrInfo.fdType;
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63 *(unsigned long *)buf->st_creator =
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64 (buf->st_mode & S_IFDIR) ? 0 : pb.f.ioFlFndrInfo.fdCreator;
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65 return 0;
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66 }