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Implemented PyMac_GetFullPathname for MacPython.

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Jack Jansen 2001-09-11 09:22:19 +00:00
parent 78e0fc74bc
commit cf0319326a
1 changed files with 13 additions and 3 deletions
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16
Mac/Python/macglue.c
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@ -203,7 +203,7 @@ get_folder_parent (FSSpec * fss, FSSpec * parent)
/* Given an FSSpec return a full, colon-separated pathname */ /* Given an FSSpec return a full, colon-separated pathname */
OSErr OSErr
PyMac_GetFullPath (FSSpec *fss, char *buf) PyMac_GetFullPathname (FSSpec *fss, char *buf, int length)
{ {
short err; short err;
FSSpec fss_parent, fss_current; FSSpec fss_parent, fss_current;
@ -212,6 +212,10 @@ PyMac_GetFullPath (FSSpec *fss, char *buf)
fss_current = *fss; fss_current = *fss;
plen = fss_current.name[0]; plen = fss_current.name[0];
if ( plen+2 > length ) {
*buf = 0;
return errFSNameTooLong;
}
memcpy(buf, &fss_current.name[1], plen); memcpy(buf, &fss_current.name[1], plen);
buf[plen] = 0; buf[plen] = 0;
/* Special case for disk names */ /* Special case for disk names */
@ -222,19 +226,25 @@ PyMac_GetFullPath (FSSpec *fss, char *buf)
} }
while (fss_current.parID > 1) { while (fss_current.parID > 1) {
/* Get parent folder name */ /* Get parent folder name */
if (err = get_folder_parent(&fss_current, &fss_parent)) if (err = get_folder_parent(&fss_current, &fss_parent)) {
*buf = 0;
return err; return err;
}
fss_current = fss_parent; fss_current = fss_parent;
/* Prepend path component just found to buf */ /* Prepend path component just found to buf */
plen = fss_current.name[0]; plen = fss_current.name[0];
if (strlen(buf) + plen + 1 > 1024) { if (strlen(buf) + plen + 1 > 1024) {
/* Oops... Not enough space (shouldn't happen) */ /* Oops... Not enough space (shouldn't happen) */
*buf = 0; *buf = 0;
return -1; return errFSNameTooLong;
} }
memcpy(tmpbuf, &fss_current.name[1], plen); memcpy(tmpbuf, &fss_current.name[1], plen);
tmpbuf[plen] = ':'; tmpbuf[plen] = ':';
strcpy(&tmpbuf[plen+1], buf); strcpy(&tmpbuf[plen+1], buf);
if ( strlen(tmpbuf) > length ) {
*buf = 0;
return errFSNameTooLong;
}
strcpy(buf, tmpbuf); strcpy(buf, tmpbuf);
} }
return 0; return 0;