Feldman's stdio changes

[unix-history] / usr / src / lib / libc / stdio / rdwr.c

/* @(#)rdwr.c   4.1 (Berkeley) %G% */
#include        <stdio.h>

fread(ptr, size, count, iop)
unsigned size, count;
register char *ptr;
register FILE *iop;
{
       register c;
       unsigned ndone, s;

       ndone = 0;
       if (size)
       for (; ndone<count; ndone++) {
               s = size;
               do {
                       if ((c = getc(iop)) >= 0)
                               *ptr++ = c;
                       else
                               return(ndone);
               } while (--s);
       }
       return(ndone);
}

fwrite(ptr, size, count, iop)
unsigned size, count;
register char *ptr;
register FILE *iop;
{
       register unsigned s;
       unsigned ndone;

       ndone = 0;
       if (size)
       for (; ndone<count; ndone++) {
               s = size;
               do {
                       putc(*ptr++, iop);
               } while (--s);
               if (ferror(iop))
                       break;
       }
       return(ndone);
}