external/bsd/pcc/dist/pcc-libs/libI77/close.c

   1 /*      $Id: close.c,v 1.1.1.1 2008/08/24 05:34:47 gmcgarry Exp $       */
   2 /*
   3  * Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * Redistributions of source code and documentation must retain the above
  10  * copyright notice, this list of conditions and the following disclaimer.
  11  * Redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditionsand the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution.
  14  * All advertising materials mentioning features or use of this software
  15  * must display the following acknowledgement:
  16  *      This product includes software developed or owned by Caldera
  17  *      International, Inc.
  18  * Neither the name of Caldera International, Inc. nor the names of other
  19  * contributors may be used to endorse or promote products derived from
  20  * this software without specific prior written permission.
  21  *
  22  * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
  23  * INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
  24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  26  * DISCLAIMED.  IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OFLIABILITY, WHETHER IN CONTRACT,
  31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  32  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33  * POSSIBILITY OF SUCH DAMAGE.
  34  */
  35 #include <stdlib.h>
  36 #include <unistd.h>
  37
  38 #include "fio.h"
  39
  40 int
  41 f_clos(cllist *a)
  42 {       unit *b;
  43         if(a->cunit >= MXUNIT) return(0);
  44         b= &units[a->cunit];
  45         if(b->ufd==NULL) return(0);
  46         b->uend=0;
  47         if(a->csta!=0)
  48                 switch(*a->csta)
  49                 {
  50                 default:
  51                 keep:
  52                 case 'k':
  53                         if(b->uwrt) t_runc(b);
  54                         fclose(b->ufd);
  55                         if(b->ufnm!=0) free(b->ufnm);
  56                         b->ufnm=NULL;
  57                         b->ufd=NULL;
  58                         return(0);
  59                 case 'd':
  60                 delete:
  61                         fclose(b->ufd);
  62                         if(b->ufnm!=0)
  63                         {       unlink(b->ufnm); /*SYSDEP*/
  64                                 free(b->ufnm);
  65                         }
  66                         b->ufnm=NULL;
  67                         b->ufd=NULL;
  68                         return(0);
  69                 }
  70         else if(b->uscrtch==1) goto delete;
  71         else goto keep;
  72 }
  73
  74 void
  75 f_exit()
  76 {       int i;
  77         cllist xx;
  78         xx.cerr=1;
  79         xx.csta=NULL;
  80         for(i=0;i<MXUNIT;i++)
  81         {
  82                 xx.cunit=i;
  83                 f_clos(&xx);
  84         }
  85 }
  86
  87 void
  88 flush_()
  89 {       int i;
  90         for(i=0;i<MXUNIT;i++)
  91                 if(units[i].ufd != NULL) fflush(units[i].ufd);
  92 }