diplodocus.org Git - nmh/blob - sbr/m_scratch.c

   1
   2 /*
   3  * m_scratch.c -- construct a scratch file
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11
  12 /***************************************************************************
  13  * DO NOT USE THIS FUNCTION!  IT WILL BE REMOVED IN THE FUTURE.
  14  * THIS FUNCTION IS INSECURE.  USE THE FUNCTIONS DEFINED IN m_mktemp.c.
  15  ***************************************************************************/
  16 char *
  17 m_scratch (char *file, char *template)
  18 {
  19     char *cp;
  20     static char buffer[BUFSIZ], tmpfil[BUFSIZ];
  21
  22     snprintf (tmpfil, sizeof(tmpfil), "%sXXXXXX", template);
  23 /*
  24   Mkstemp work postponed until later -Doug
  25 #ifdef HAVE_MKSTEMP
  26     mkstemp (tmpfil);
  27 #else
  28 */
  29     mktemp (tmpfil);
  30 /*
  31 #endif
  32 */
  33     /* nasty - this really means: if there is no '/' in the path */
  34     if ((cp = r1bindex (file, '/')) == file)
  35         strncpy (buffer, tmpfil, sizeof(buffer));
  36     else
  37         snprintf (buffer, sizeof(buffer), "%.*s%s", (int)(cp - file), file, tmpfil);
  38     unlink (buffer);
  39
  40     return buffer;
  41 }