dmake/mac/tempnam.c

   1 /* RCS  $Id: tempnam.c,v 1.1.1.1 2000-09-22 15:33:27 hr Exp $
   2 --
   3 -- SYNOPSIS
   4 --      Fake tempnam function for the mac
   5 --
   6 -- DESCRIPTION
   7 --  Get a temporary file name.
   8 --
   9 -- AUTHOR
  10 --      Dennis Vadura, dvadura@dmake.wticorp.com
  11 --
  12 --
  13 -- WWW
  14 --      http://dmake.wticorp.com/
  15 --
  16 -- COPYRIGHT
  17 --      Copyright (c) 1996,1997 by WTI Corp.  All rights reserved.
  18 --
  19 --      This program is NOT free software; you can redistribute it and/or
  20 --      modify it under the terms of the Software License Agreement Provided
  21 --      in the file <distribution-root>/readme/license.txt.
  22 --
  23 -- LOG
  24 --      Use cvs log to obtain detailed change logs.
  25 */
  26
  27
  28 #include "extern.h"
  29 #include <StdIO.h>
  30 #include <String.h>
  31
  32
  33
  34 /*
  35  * Try to open a temporary file in the given directory (if non-NULL)
  36  * with the given prefix (if non-NULL).
  37  *
  38  * We ignore the directory argument.
  39  */
  40 PUBLIC char *
  41 tempnam(char *pDir, char * pPrefix)
  42 {
  43     char *pName;
  44     char *pFullName;
  45
  46     pName = tmpnam ((char *) NULL);
  47
  48     /* Assume that if the name returned by tmpnam is not being used,
  49        the name with the prefix is also not being used. */
  50     pFullName = MALLOC (((pPrefix != NULL) ? strlen (pPrefix) : 0) +
  51                         strlen (pName) + 1, char);
  52
  53     /* Copy in the name if we successfully allocated space for it. */
  54     if (pFullName != NULL) {
  55         if (pPrefix != NULL) {
  56             strcpy (pFullName, pPrefix);
  57         } else {
  58             *pFullName = '\0';
  59         } /* if ... else */
  60
  61         strcat (pFullName, pName);
  62     } /* if */
  63
  64     return (pFullName);
  65 } /* PUBLIC char *tempnam () */