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- /* GET FULL PATHNAME OF A FILE.
- ** Original by Guido, modified by Jack to handle FSSpecs
- */
-
- #include <string.h>
-
- #include <Files.h>
-
- #include "nfullpath.h"
-
- /* Mac file system parameters */
- #define MAXPATH 256 /* Max path name length+1 */
- #define SEP ':' /* Separator in path names */
-
- /* Macro to find out whether we can do HFS-only calls: */
- #define FSFCBLen (* (short *) 0x3f6)
- #define hfsrunning() (FSFCBLen > 0)
-
- int
- nfullpath(fsp, retbuf)
- FSSpec *fsp;
- char *retbuf;
- {
- union {
- HFileInfo f;
- DirInfo d;
- WDPBRec w;
- VolumeParam v;
- } pb;
- char cwd[2*MAXPATH];
- unsigned char namebuf[MAXPATH];
- short err;
- int dir;
- long dirid;
- char *next = cwd + sizeof cwd - 1;
- int len;
- int need_sep = 1;
-
- if (!hfsrunning())
- return -1;
-
- dir = fsp->vRefNum;
- dirid = fsp->parID;
- /* Stuff the filename into the buffer */
- len = fsp->name[0];
- *next = '\0';
- next -= len;
- memcpy(next, fsp->name+1, len);
-
- while (dirid != fsRtParID) {
- pb.d.ioNamePtr = namebuf;
- pb.d.ioVRefNum = dir;
- pb.d.ioFDirIndex = -1;
- pb.d.ioDrDirID = dirid;
- err= PBGetCatInfo((CInfoPBPtr)&pb.d, 0);
- if (err != noErr)
- return err;
- *--next = SEP;
- len = namebuf[0];
- if ( len + strlen(next) >= MAXPATH )
- return -1;
- next -= len;
- memcpy(next, (char *)namebuf+1, len);
- dirid = pb.d.ioDrParID;
- need_sep = 0;
- }
-
- strcpy(retbuf, next);
- if (need_sep) {
- next = strchr(retbuf, '\0');
- *next++ = SEP;
- *next++ = '\0';
- }
- return 0;
- }
-