usr.sbin/installer/libaura/popen.h

   1 /*
   2  * Copyright (c) 2004 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Chris Pressey <cpressey@catseye.mine.nu>.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 /*
  36  * popen.h
  37  * $Id: popen.h,v 1.5 2005/02/06 06:57:30 cpressey Exp $
  38  * A modified version of the standard popen()/pclose() functions
  39  * which adds a third function, pgetpid(), which allows the program
  40  * which used popen() to obtain the pid of the process on the other
  41  * end of the pipe.
  42  */
  43
  44 #ifndef __AURA_POPEN_H_
  45 #define __AURA_POPEN_H_
  46
  47 #include <sys/types.h>
  48
  49 #include <stdio.h>
  50
  51 #define AURA_PGETS_TIMEOUT      1
  52 #define AURA_PGETS_SELECT_ERR   2
  53 #define AURA_PGETS_EOF          3
  54 #define AURA_PGETS_FGETS_ERR    4
  55
  56 FILE                    *aura_popen(const char *, const char *, ...)
  57                              __printflike(1, 3);
  58 int                      aura_pclose(FILE *);
  59 pid_t                    aura_pgetpid(FILE *);
  60 int                      aura_pgets(FILE *, char *, size_t, long, int *);
  61
  62 #endif /* !__AURA_POPEN_H_ */