lib/stdio/fclose.c

   1 /*
   2  * fclose.c - flush a stream and close the file
   3  */
   4 /* $Header$ */
   5
   6 #include        <stdio.h>
   7 #include        <stdlib.h>
   8 #include        "loc_incl.h"
   9
  10 int _close(int d);
  11
  12 int
  13 fclose(FILE *fp)
  14 {
  15         register int i, retval = 0;
  16
  17         for (i=0; i<FOPEN_MAX; i++)
  18                 if (fp == __iotab[i]) {
  19                         __iotab[i] = 0;
  20                         break;
  21                 }
  22         if (i >= FOPEN_MAX)
  23                 return EOF;
  24         if (fflush(fp)) retval = EOF;
  25         if (_close(fileno(fp))) retval = EOF;
  26         if ( io_testflag(fp,_IOMYBUF) && fp->_buf )
  27                 free((void *)fp->_buf);
  28         if (fp != stdin && fp != stdout && fp != stderr)
  29                 free((void *)fp);
  30         return retval;
  31 }