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

   1
   2 /*
   3  * m_scratch.c -- construct a scratch file
   4  *
   5  * $Id$
   6  */
   7
   8 #include <h/mh.h>
   9
  10
  11 char *
  12 m_scratch (char *file, char *template)
  13 {
  14     char *cp;
  15     static char buffer[BUFSIZ], tmpfil[BUFSIZ];
  16
  17     snprintf (tmpfil, sizeof(tmpfil), "%sXXXXXX", template);
  18 #ifdef HAVE_MKSTEMP
  19     mkstemp (tmpfil);
  20 #else
  21     mktemp (tmpfil);
  22 #endif
  23     if ((cp = r1bindex (file, '/')) == file)
  24         strncpy (buffer, tmpfil, sizeof(buffer));
  25     else
  26         snprintf (buffer, sizeof(buffer), "%.*s%s", cp - file, file, tmpfil);
  27     unlink (buffer);
  28
  29     return buffer;
  30 }