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procrun.c

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*           Copyright (c) 1990-2007 AT&T Knowledge Ventures            *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                      by AT&T Knowledge Ventures                      *
*                                                                      *
*                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>                  *
*                                                                      *
***********************************************************************/
#pragma prototyped
/*
 * Glenn Fowler
 * AT&T Research
 *
 * coshell procrun(3)
 */

#include "colib.h"

#include <proc.h>

int
coprocrun(const char* path, char** argv)
{
      register char*          s;
      register char**         a;
      register Sfio_t*  tmp;
      int               n;

      if (!(a = argv))
            return procclose(procopen(path, a, NiL, NiL, PROC_FOREGROUND|PROC_GID|PROC_UID));
      if (!(tmp = sfstropen()))
            return -1;
      sfputr(tmp, path ? path : "sh", -1);
      while (s = *++a)
      {
            sfputr(tmp, " '", -1);
            coquote(tmp, s, 0);
            sfputc(tmp, '\'');
      }
      if (!(s = costash(tmp)))
            return -1;
      n = cosystem(s);
      sfstrclose(tmp);
      return n;
}

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