source: trunk/dll/copyf.c@ 985

/***********************************************************************

  $Id: copyf.c 985 2008-03-01 01:37:14Z gyoung $

  Copy functions

  Copyright (c) 1993-98 M. Kimes
  Copyright (c) 2001, 2006 Steven H.Levine

  14 Sep 02 SHL Drop obsolete debug code
  14 Oct 02 SHL Drop obsolete debug code
  10 Nov 02 SHL docopyf - don't forget to terminate longname
                optimize longname logic
  01 Aug 04 SHL Rework lstrip/rstrip usage
  28 May 05 SHL Drop debug code
  14 Jul 06 SHL Use Runtime_Error
  20 Aug 07 GKY Move #pragma alloc_text to end for OpenWatcom compat
  01 Sep 07 GKY Use xDosSetPathInfo to fix case where FS3 buffer crosses 64k boundry
  29 Feb 08 GKY Use xfree where appropriate

***********************************************************************/

#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>

#define INCL_DOS
#define INCL_DOSERRORS
#define INCL_WIN
#define INCL_LONGLONG

#include "fm3str.h"
#include "errutil.h"                    // Dos_Error...
#include "strutil.h"                    // GetPString
#include "fm3dll.h"

static PSZ pszSrcFile = __FILE__;

#ifndef WinMoveObject
HOBJECT APIENTRY WinMoveObject(HOBJECT hObjectofObject,
                               HOBJECT hObjectofDest, ULONG ulReserved);
#endif
#ifndef WinCopyObject
HOBJECT APIENTRY WinCopyObject(HOBJECT hObjectofObject,
                               HOBJECT hObjectofDest, ULONG ulReserved);
#endif

char *MakeTempName(char *buffer)
{
  FILESTATUS3 fs3;
  APIRET rc;
  char *p, *o;

  p = o = buffer + strlen(buffer);
  sprintf(p, "%08lx.%03lx", clock(), mypid);
  p = buffer + (strlen(buffer) - 1);
  for (;;) {
    DosError(FERR_DISABLEHARDERR);
    rc = DosQueryPathInfo(buffer, FIL_STANDARD, &fs3, sizeof(fs3));
    if (rc == ERROR_DISK_CHANGE) {
      DosError(FERR_ENABLEHARDERR);
      rc = DosQueryPathInfo(buffer, FIL_STANDARD, &fs3, sizeof(fs3));
    }
    if (rc)
      break;
  Loop:
    if (p < o) {
      *buffer = 0;
      return NULL;
    }
    if ((*p) + 1 < 'Z' + 1) {
      (*p)++;
      while (strchr("*?<>\":/\\|+=;,[]. ", *p))
        (*p)++;
      *p = toupper(*p);
    }
    else {
      p--;
      if (p >= o && *p == '.')
        p--;
      goto Loop;
    }
  }
  return buffer;
}

CHAR *TruncName(CHAR * oldname, CHAR * buffer)
{
  CHAR *p, *f, *s, *o;
  FILESTATUS3 fs3;
  APIRET rc;

  if (!buffer || !oldname || !*oldname) {
    if (buffer)
      *buffer = 0;
    return NULL;
  }
  strcpy(buffer, oldname);
  f = strrchr(buffer, '\\');
  if (!f)
    f = strrchr(buffer, '/');
  if (!f)
    f = buffer;
  else
    f++;
  p = f;
  o = p;
  f = oldname + (f - buffer);
  strupr(buffer);
  while (*f == '.')                     /* skip leading '.'s */
    f++;
  s = f;
  while (*f && *f != '.' && f < s + 8) {        /* skip past rootname */
    *p = toupper(*f);
    p++;
    f++;
  }
  while (*f == '.')
    f++;
  s = f;
  f = strrchr(f, '.');
  if (f) {
    while (*f == '.')
      f++;
  }
  if (f && *(f + 1))
    s = f;
  else
    f = s;
  if (*f) {
    *p = '.';
    p++;
    while (*f && *f != '.' && f < s + 3) {
      *p = toupper(*f);
      p++;
      f++;
    }
  }
  *p = 0;

  p = o;
  while (*p) {
    if (strchr("*?<>\":/\\|+=;,[] ", *p) || *p < 0x20)
      *p = '_';
    if (*p == '.' && *(p + 1) == '.')
      *(p + 1) = '_';
    p++;
  }

  p = o + (strlen(o) - 1);
  for (;;) {
    DosError(FERR_DISABLEHARDERR);
    rc = DosQueryPathInfo(buffer, FIL_STANDARD, &fs3, sizeof(fs3));
    if (rc == ERROR_DISK_CHANGE) {
      DosError(FERR_ENABLEHARDERR);
      rc = DosQueryPathInfo(buffer, FIL_STANDARD, &fs3, sizeof(fs3));
    }
    if (rc)
      break;
  Loop:
    if (p < o) {
      *buffer = 0;
      return NULL;
    }
    if ((*p) + 1 < 'Z' + 1) {
      (*p)++;
      while (strchr("*?<>\":/\\|+=;,[]. ", *p))
        (*p)++;
      *p = toupper(*p);
    }
    else {
      p--;
      if (p >= o && *p == '.')
        p--;
      goto Loop;
    }
  }
  return buffer;
}

CHAR *GetLongName(CHAR * oldname, CHAR * longname)
{
  if (!longname)
    return NULL;
  *longname = 0;
  if (!oldname || !*oldname)
    return NULL;
  if (IsFullName(oldname)) {

    APIRET rc;
    EAOP2 eaop;
    PGEA2LIST pgealist;
    PFEA2LIST pfealist;
    PGEA2 pgea;
    PFEA2 pfea;
    CHAR *value;

    strcpy(longname, oldname);
    value = longname;
    while (*value) {
      if (*value == '/')
        *value = '\\';
      value++;
    }
    value = strrchr(longname, '\\');
    if (value) {
      value++;
      *value = 0;
    }
    pgealist = xmallocz(sizeof(GEA2LIST) + 32, pszSrcFile, __LINE__);
    if (pgealist) {
      pgea = &pgealist->list[0];
      strcpy(pgea->szName, LONGNAME);
      pgea->cbName = strlen(pgea->szName);
      pgea->oNextEntryOffset = 0L;
      pgealist->cbList = (sizeof(GEA2LIST) + pgea->cbName);
      pfealist = xmallocz(1536, pszSrcFile, __LINE__);
      if (pfealist) {
        pfealist->cbList = 1024;
        eaop.fpGEA2List = pgealist;
        eaop.fpFEA2List = pfealist;
        eaop.oError = 0L;
        DosError(FERR_DISABLEHARDERR);
        rc = DosQueryPathInfo(oldname,
                              FIL_QUERYEASFROMLIST,
                              (PVOID) & eaop, (ULONG) sizeof(EAOP2));
        if (!rc) {
          pfea = &eaop.fpFEA2List->list[0];
          value = pfea->szName + pfea->cbName + 1;
          value[pfea->cbValue] = 0;
          if (*(USHORT *) value == EAT_ASCII)
            strncat(longname,
                    value + (sizeof(USHORT) * 2),
                    CCHMAXPATH - strlen(longname));
          longname[CCHMAXPATH - 1] = 0;
        }
        xfree(pfealist);
      }
      xfree(pgealist);
    }
  }
  return longname;
}

BOOL ZapLongName(char *filename)
{
  return WriteLongName(filename, "");
}

BOOL WriteLongName(CHAR * filename, CHAR * longname)
{
  APIRET rc;
  EAOP2 eaop;
  PFEA2LIST pfealist = NULL;
  ULONG ealen;
  USHORT len;
  CHAR *eaval, *p;

  if (!filename || !*filename || !longname)
    return FALSE;
  p = strrchr(longname, '\\');
  if (p)
    memmove(longname, p + 1, strlen(p + 1) + 1);
  p = strrchr(longname, '/');
  if (p)
    memmove(longname, p + 1, strlen(p + 1) + 1);
  bstrip(longname);
  len = strlen(longname);
  if (len)
    ealen = sizeof(FEA2LIST) + 10 + len + 4;
  else
    ealen = sizeof(FEALIST) + 10;
  rc = DosAllocMem((PPVOID) & pfealist,
                   ealen + 32L, OBJ_TILE | PAG_COMMIT | PAG_READ | PAG_WRITE);
  if (rc)
    Dos_Error(MB_CANCEL, rc, HWND_DESKTOP, pszSrcFile, __LINE__,
              GetPString(IDS_OUTOFMEMORY));
  else {
    memset(pfealist, 0, ealen + 1);
    pfealist->cbList = ealen;
    pfealist->list[0].oNextEntryOffset = 0;
    pfealist->list[0].fEA = 0;
    pfealist->list[0].cbName = 9;
    strcpy(pfealist->list[0].szName, LONGNAME);
    if (len) {
      eaval = pfealist->list[0].szName + 10;
      *(USHORT *) eaval = (USHORT) EAT_ASCII;
      eaval += sizeof(USHORT);
      *(USHORT *) eaval = (USHORT) len;
      eaval += sizeof(USHORT);
      memcpy(eaval, longname, len);
      pfealist->list[0].cbValue = len + (sizeof(USHORT) * 2);
    }
    else
      pfealist->list[0].cbValue = 0;
    eaop.fpGEA2List = (PGEA2LIST) 0;
    eaop.fpFEA2List = pfealist;
    eaop.oError = 0L;
    DosError(FERR_DISABLEHARDERR);
    rc = xDosSetPathInfo(filename, FIL_QUERYEASIZE,
                         &eaop, sizeof(eaop), DSPI_WRTTHRU);
    DosFreeMem(pfealist);
    if (rc)
      return FALSE;
  }
  return TRUE;
}

BOOL AdjustWildcardName(CHAR * oldname, CHAR * newname)
{
  BOOL ret = FALSE;

  /* NOTE: newname should be CCHMAXPATH chars long! */

  if (strchr(newname, '*') || strchr(newname, '?')) {

    CHAR srce[CCHMAXPATHCOMP], dest[CCHMAXPATHCOMP], result[CCHMAXPATHCOMP],
      *p;

    p = strrchr(newname, '\\');
    if (p && *(p + 1)) {
      strcpy(dest, p + 1);
      p = strrchr(oldname, '\\');
      if (p && *(p + 1)) {
        strcpy(srce, p + 1);
        DosError(FERR_DISABLEHARDERR);
        if (!DosEditName(1L, srce, dest, result, (ULONG) sizeof(result))) {
          p = strrchr(newname, '\\');
          p++;
          strcpy(p, result);
          ret = TRUE;
        }
      }
    }
  }
  return ret;
}

CHAR default_disk(VOID)
{
  ULONG ulDriveNum, ulDriveMap;

  DosError(FERR_DISABLEHARDERR);
  DosQCurDisk(&ulDriveNum, &ulDriveMap);
  return (CHAR) toupper((INT) ulDriveNum) + '@';
}

#ifdef NEVER

APIRET docopyallf(INT type, CHAR * oldname, CHAR * newname, ...)
{
  FILEFINDBUF3 fb;
  ULONG nm;
  HDIR hdir;
  APIRET rc = 0;
  CHAR *enddir, fullname[CCHMAXPATH];

  va_start(ap, newname);
  vsprintf(fullname, newname, ap);
  va_end(ap);

  DosError(FERR_DISABLEHARDERR);
  if (!DosFindFirst(oldname)) {
    do {

      /* build target name */

      if (fb.attrFile & FILE_DIRECTORY) {
        DosError(FERR_ENABLEHARDERR);
        rc = DosCreateDir();
        if (rc == ERROR_INVALID_NAME || rc == ERROR_FILENAME_EXCED_RANGE) {

          /* truncate directory name */
          /* create that directory */
          /* update containers for name used */

        }
        rc = docopyallf(type,, "%s",);  /* recurse */
      }
      else
        rc = docopyf(type,, "%s",);     /* copy file */
      DosError(FERR_DISABLEHARDERR);
    } while (!rc && !DosFindNext());
    DosFindClose(hdir);
  }
  else
    rc = ERROR_FILE_NOT_FOUND;
  return rc;
}

#endif

APIRET docopyf(INT type, CHAR * oldname, CHAR * newname, ...)
{
  /*
   * returns:
   *   0:  success
   *  -1:  bad string parameter(s)
   *  -2:  source didn't exist
   *  -3:  bad type
   *   anything else: API return
   */

  CHAR fullnewname[CCHMAXPATH + 1], longname[CCHMAXPATH],
    shortname[CCHMAXPATH];
  CHAR olddisk, newdisk, dir[CCHMAXPATH], *p, *pp;
  APIRET ret = -1, rc;
  FILESTATUS3L st, st2, dummy;
  BOOL diskchange = FALSE, zaplong = FALSE;
  va_list ap;

  *fullnewname = *shortname = *dir = 0;

  va_start(ap, newname);
  vsprintf(fullnewname, newname, ap);
  va_end(ap);

  if (!oldname || !*oldname || !*fullnewname)   /* bad string args */
    return (APIRET) - 1;

  DosError(FERR_DISABLEHARDERR);
  if (DosQueryPathInfo(oldname, FIL_STANDARDL, &st, sizeof(FILESTATUS3L)))
    return (APIRET) - 2;                /* no source */

  AdjustWildcardName(oldname, fullnewname);
  MakeFullName(oldname);
  MakeFullName(fullnewname);
  olddisk = toupper(*oldname);          /* source drive */
  newdisk = toupper(*fullnewname);      /* destination drive */
  if (!(driveflags[toupper(*oldname) - 'A'] & DRIVE_NOLONGNAMES))
    *longname = 0;
  else {
    GetLongName(oldname, longname);
    if (*longname) {
      p = RootName(longname);
      if (p != longname)
        memmove(longname, p, strlen(p) + 1);
    }
  }
  /* If root name changed make sure longname EA goes away */
  p = RootName(oldname);
  pp = RootName(fullnewname);
  if (stricmp(p, pp)) {
    zaplong = TRUE;
  }

  DosError(FERR_DISABLEHARDERR);
  switch (type) {
  case WPSMOVE:
    {
      HOBJECT hobjsrc;
      HOBJECT hobjdest;

      ret = ERROR_FILE_NOT_FOUND;
      hobjsrc = WinQueryObject(oldname);
      if (hobjsrc) {
        strcpy(dir, fullnewname);
        p = strrchr(dir, '\\');
        if (p < dir + 3)
          p++;
        *p = 0;
        ret = ERROR_PATH_NOT_FOUND;
        hobjdest = WinQueryObject(dir);
        if (hobjdest) {
          ret = ERROR_GEN_FAILURE;
          hobjsrc = WinMoveObject(hobjsrc, hobjdest, 0);
          if (hobjsrc)
            ret = 0;
        }
      }
    }
    return ret;

  case WPSCOPY:
    {
      HOBJECT hobjsrc;
      HOBJECT hobjdest;

      ret = ERROR_FILE_NOT_FOUND;
      hobjsrc = WinQueryObject(oldname);
      if (hobjsrc) {
        strcpy(dir, fullnewname);
        p = strrchr(dir, '\\');
        if (p < dir + 3)
          p++;
        *p = 0;
        ret = ERROR_PATH_NOT_FOUND;
        hobjdest = WinQueryObject(dir);
        if (hobjdest) {
          ret = ERROR_GEN_FAILURE;
          hobjsrc = WinCopyObject(hobjsrc, hobjdest, 0);
          if (hobjsrc)
            ret = 0;
        }
      }
    }
    return ret;

  case MOVE:
    *dir = 0;
    if (olddisk == newdisk) {           /* same drive */
      /* make temporary copy in case move fails */
      if (IsFile(fullnewname) != -1 && stricmp(oldname, fullnewname)) {
        strcpy(dir, fullnewname);
        p = strrchr(dir, '\\');
        if (p)
          *p = 0;
        strcat(dir, "\\");
        MakeTempName(dir);
        if (DosMove(fullnewname, dir))
          *dir = 0;
      }
      DosError(FERR_DISABLEHARDERR);
      ret = DosMove(oldname, fullnewname);      /* move it */
      if (ret && *dir) {                /* failed -- clean up */
        DosError(FERR_DISABLEHARDERR);
        if (!DosMove(dir, fullnewname))
          Broadcast((HAB) 0, hwndMain, UM_UPDATERECORD, MPFROMP(dir), MPVOID);
      }
      else if (!ret && *dir) {
        if (!IsFile(dir)) {
          if (!strchr(dir, '?') && !strchr(dir, '*'))
            wipeallf("%s\\*", dir);
          DosError(FERR_DISABLEHARDERR);
          if (DosDeleteDir(dir)) {
            make_deleteable(dir);
            DosDeleteDir(dir);
          }
        }
        else if (IsFile(dir) > 0) {
          DosError(FERR_DISABLEHARDERR);
          if (DosForceDelete(dir)) {
            make_deleteable(dir);
            DosForceDelete(dir);
          }
          if (zaplong)
            ZapLongName(dir);
          Broadcast((HAB) 0, hwndMain, UM_UPDATERECORD, MPFROMP(dir), MPVOID);
        }
      }
    }
    else {                              /* different drives */
      DosError(FERR_DISABLEHARDERR);
      ret = DosCopy(oldname, fullnewname, DCPY_EXISTING);       /* <=-NOTE! */
      if (ret == ERROR_DISK_CHANGE) {
        DosError(FERR_ENABLEHARDERR);
        ret = DosCopy(oldname, fullnewname, DCPY_EXISTING);
        diskchange = TRUE;
      }
      if (ret == ERROR_INVALID_NAME || ret == ERROR_FILENAME_EXCED_RANGE) {
        if (TruncName(fullnewname, shortname)) {        /* make 8.3 filename */
          DosError(FERR_DISABLEHARDERR);
          ret = DosCopy(oldname, shortname, DCPY_EXISTING);
          if (!ret) {                   /* success -- write longname ea */
            WriteLongName(shortname, fullnewname);
            strcpy(fullnewname, shortname);
            /* broadcast fixup msg to windows */
            Broadcast((HAB) 0,
                      hwndMain, UM_UPDATERECORD, MPFROMP(shortname), MPVOID);
          }
        }
      }
      else if (!ret && *longname) {

        CHAR fixname[CCHMAXPATH];

        strcpy(fixname, fullnewname);
        p = strrchr(fixname, '\\');
        if (p) {
          p++;
          *p = 0;
        }
        strcat(fixname, longname);
        DosError(FERR_DISABLEHARDERR);
        DosMove(fullnewname, fixname);
        strcpy(fullnewname, fixname);
        if (zaplong)
          ZapLongName(fixname);
        Broadcast((HAB) 0,
                  hwndMain, UM_UPDATERECORD, MPFROMP(fixname), MPVOID);
      }
      if (!ret) {                       /* double-check success */
        DosError(FERR_DISABLEHARDERR);
        rc = DosQueryPathInfo(fullnewname,
                              FIL_STANDARDL, &st2, sizeof(FILESTATUS3L));
        if (rc == ERROR_DISK_CHANGE) {
          DosError(FERR_ENABLEHARDERR);
          rc = DosQueryPathInfo(fullnewname,
                                FIL_STANDARDL, &st2, sizeof(FILESTATUS3L));
        }
        if (!rc && st2.cbFile == st.cbFile) {   /* seems to have worked... */
          DosError(FERR_DISABLEHARDERR);
          if (diskchange) {
            DosError(FERR_ENABLEHARDERR);
            DosQueryPathInfo(oldname, FIL_STANDARDL, &dummy, sizeof(FILESTATUS3L));     /* force disk change */
          }
          if (!(st2.attrFile & FILE_DIRECTORY)) /* erase file */
            unlinkf("%s", oldname);
          else {                        /* remove directory */
            wipeallf("%s\\*", oldname);
            DosError(FERR_DISABLEHARDERR);
            if (DosDeleteDir(oldname)) {
              make_deleteable(oldname);
              DosDeleteDir(oldname);
            }
          }
        }
      }
    }
    return ret;

  case COPY:
    DosError(FERR_DISABLEHARDERR);
    ret = DosCopy(oldname, fullnewname, DCPY_EXISTING); /* <=-NOTE! */
    if (ret == ERROR_DISK_CHANGE) {
      DosError(FERR_ENABLEHARDERR);
      ret = DosCopy(oldname, fullnewname, DCPY_EXISTING);
      diskchange = TRUE;
    }
    if (ret == ERROR_INVALID_NAME || ret == ERROR_FILENAME_EXCED_RANGE) {
      if (TruncName(fullnewname, shortname)) {
        DosError((diskchange) ? FERR_ENABLEHARDERR : FERR_DISABLEHARDERR);
        ret = DosCopy(oldname, shortname, DCPY_EXISTING);
        if (!ret) {
          WriteLongName(shortname, fullnewname);
          strcpy(fullnewname, shortname);
          Broadcast((HAB) 0,
                    hwndMain, UM_UPDATERECORD, MPFROMP(shortname), MPVOID);
        }
      }
    }
    else if (!ret && *longname) {

      CHAR fixname[CCHMAXPATH];

      strcpy(fixname, fullnewname);
      p = strrchr(fixname, '\\');
      if (p) {
        p++;
        *p = 0;
      }
      strcat(fixname, longname);
      DosError(FERR_DISABLEHARDERR);
      DosMove(fullnewname, fixname);
      if (zaplong)
        ZapLongName(fixname);
      Broadcast((HAB) 0, hwndMain, UM_UPDATERECORD, MPFROMP(fixname), MPVOID);
    }
    return ret;

  default:                              /* shouldn't happen */
    Runtime_Error(pszSrcFile, __LINE__, "bad case %u", type);
    break;
  }
  return (APIRET) - 3;                  /* bad type */
}

INT make_deleteable(CHAR * filename)
{
  INT ret = -1;
  FILESTATUS3 fsi;

  DosError(FERR_DISABLEHARDERR);
  if (!DosQueryPathInfo(filename, FIL_STANDARD, &fsi, sizeof(fsi))) {
    fsi.attrFile = 0;
    DosError(FERR_DISABLEHARDERR);
    if (!xDosSetPathInfo(filename, FIL_STANDARD, &fsi, sizeof(fsi), 0))
      ret = 0;
  }
  return ret;
}

INT wipeallf(CHAR *string, ...)
{
  /* unlink everything from directory on down... */

  FILEFINDBUF3 *f;
  HDIR search_handle;
  ULONG num_matches;
  CHAR *p, *ss, *str;
  CHAR s[CCHMAXPATH], mask[257];
  va_list ap;
  INT rc;

  va_start(ap, string);
  vsprintf(s, string, ap);
  va_end(ap);

  if (!*s)
    return -1;
  p = s;
  while ((p = strchr(p, '/')) != NULL) {
    *p = '\\';
    p++;
  }

  str = xstrdup(s, pszSrcFile, __LINE__);
  if (!str)
    return -1;

  {                                     /* safety net -- disallow deleting a root dir or partial name */
    CHAR temp;

    p = strrchr(str, '\\');
    if (p) {
      p++;
      temp = *p;
      *p = 0;
      if (IsRoot(str) || !IsFullName(str)) {
        /* under no circumstances! */
        Runtime_Error(pszSrcFile, __LINE__, "bad name %s", str);
        xfree(str);
        return -1;
      }
      *p = temp;
    }
  }

  p = s;
  p = strrchr(s, '\\');                 /* strip s to just path */
  if (!p)
    p = strrchr(s, ':');
  if (p) {
    p++;
    strncpy(mask, p, 256);
    mask[256] = 0;
    *p = 0;
  }
  else {
    *mask = 0;
    *s = 0;
  }

  ss = xmalloc(CCHMAXPATH, pszSrcFile, __LINE__);
  f = xmalloc(sizeof(FILEFINDBUF3), pszSrcFile, __LINE__);
  if (!ss || !f) {
    xfree(ss);
    xfree(f);
    xfree(str);
    return -1;
  }

  search_handle = HDIR_CREATE;
  num_matches = 1;

  DosError(FERR_DISABLEHARDERR);
  if (!DosFindFirst(str, &search_handle, FILE_NORMAL | FILE_DIRECTORY |
                     FILE_SYSTEM | FILE_READONLY | FILE_HIDDEN | FILE_ARCHIVED,
                     f, sizeof(FILEFINDBUF3), &num_matches, FIL_STANDARD)) {

    strcpy(ss, s);
    p = &ss[strlen(ss)];

    do {
      strcpy(p, f->achName);
      if (f->attrFile & FILE_DIRECTORY) {
        if (strcmp(f->achName, ".") && strcmp(f->achName, "..")) {
          wipeallf("%s/%s", ss, mask);  /* recurse to wipe files */
          DosError(FERR_DISABLEHARDERR);
          if (DosDeleteDir(ss)) {       /* remove directory */
            make_deleteable(ss);
            DosError(FERR_DISABLEHARDERR);
            DosDeleteDir(ss);
          }
        }
      }
      else {
        DosError(FERR_DISABLEHARDERR);
        if (DosForceDelete(ss)) {
          make_deleteable(ss);
          DosError(FERR_DISABLEHARDERR);
          rc = (INT) DosForceDelete(ss);
          if (rc)
            return rc;
        }
      }
      num_matches = 1;
      DosError(FERR_DISABLEHARDERR);
    } while (!DosFindNext(search_handle, f, sizeof(FILEFINDBUF3),
                          &num_matches));
    DosFindClose(search_handle);
  }

  xfree(f);
  xfree(ss);
  xfree(str);
  return 0;
}

INT unlink_allf(CHAR * string, ...)
{
  /* wildcard delete */

  FILEFINDBUF3 *f;
  HDIR search_handle;
  ULONG num_matches;
  CHAR *p, *ss, *str;
  CHAR s[CCHMAXPATH];
  va_list ap;

  va_start(ap, string);
  vsprintf(s, string, ap);
  va_end(ap);

  if (!*s)
    return -1;
  p = s;
  while ((p = strchr(p, '/')) != NULL) {
    *p = '\\';
    p++;
  }

  str = xstrdup(s, pszSrcFile, __LINE__);
  if (!str)
    return -1;

  p = s;
  p = strrchr(s, '\\');                 /* strip s to just path */
  if (!p)
    p = strrchr(s, ':');
  if (p) {
    p++;
    *p = 0;
  }
  else
    *s = 0;

  ss = xmalloc(CCHMAXPATH, pszSrcFile, __LINE__);
  f = xmalloc(sizeof(FILEFINDBUF3), pszSrcFile, __LINE__);
  if (!ss || !f) {
    xfree(ss);
    xfree(f);
    xfree(str);
    return -1;
  }

  search_handle = HDIR_CREATE;
  num_matches = 1;

  DosError(FERR_DISABLEHARDERR);
  if (!DosFindFirst(str, &search_handle, FILE_NORMAL, f,
                    sizeof(FILEFINDBUF3), &num_matches, FIL_STANDARD)) {

    strcpy(ss, s);
    p = &ss[strlen(ss)];

    do {
      strcpy(p, f->achName);
      unlinkf("%s", ss);
      num_matches = 1;
      DosError(FERR_DISABLEHARDERR);
    } while (!DosFindNext(search_handle, f, sizeof(FILEFINDBUF3),
                          &num_matches));
    DosFindClose(search_handle);
  }

  xfree(f);
  xfree(ss);
  xfree(str);
  return 0;
}

INT unlinkf(CHAR * string, ...)
{
  CHAR buffer[CCHMAXPATH];
  va_list ap;

  va_start(ap, string);
  vsprintf(buffer, string, ap);
  va_end(ap);

  if (!strstr(buffer, ArcTempRoot)) {
    DosError(FERR_DISABLEHARDERR);
    if (DosDelete(buffer)) {
      make_deleteable(buffer);
      DosError(FERR_DISABLEHARDERR);
      return DosDelete(buffer);
    }
  }
  else {
    DosError(FERR_DISABLEHARDERR);
    if (DosForceDelete(buffer)) {
      make_deleteable(buffer);
      DosError(FERR_DISABLEHARDERR);
      return DosForceDelete(buffer);
    }
  }
  return 0;
}

#pragma alloc_text(LONGNAMES,TruncName,GetLongName,WriteLongName)
#pragma alloc_text(LONGNAMES,ZapLongName,AdjustWildcardName)
#pragma alloc_text(COPYF,default_disk,docopyf)
#pragma alloc_text(UNLINKF,unlinkf,unlink_allf,make_deleteable,wipeallf)