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mktemp.c

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1985-2009 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#pragma prototyped
/*
 * mktemp,mkstemp implementation
 */

#define mktemp          ______mktemp
#define mkstemp         ______mkstemp

#include <ast.h>
#include <stdio.h>

#undef      mktemp
#undef      mkstemp

#undef      _def_map_ast
#include <ast_map.h>

#if defined(__EXPORT__)
#define extern    __EXPORT__
#endif

static char*
temp(char* buf, int* fdp)
{
      char* s;
      char* d;
      int   n;
      size_t      len;

      len = strlen(buf);
      if (s = strrchr(buf, '/'))
      {
            *s++ = 0;
            d = buf;
      }
      else
      {
            s = buf;
            d = "";
      }
      if ((n = strlen(s)) < 6 || strcmp(s + n - 6, "XXXXXX"))
            *buf = 0;
      else
      {
            *(s + n - 6) = 0;
            if (!pathtemp(buf, len, d, s, fdp))
                  *buf = 0;
      }
      return buf;
}

extern char*
mktemp(char* buf)
{
      return temp(buf, NiL);
}

extern int
mkstemp(char* buf)
{
      int   fd;

      return *temp(buf, &fd) ? fd : -1;
}

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