wr_bytes.c

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/* $Header: /opt/proj/minix/cvsroot/src/commands/aal/wr_bytes.c,v 1.1.1.1 2005/04/21 14:53:58 beng Exp $ */
/*
 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
 * See the copyright notice in the ACK home directory, in the file "Copyright".
 */
#define MININT          (1 << (sizeof(int) * 8 - 1))
#define MAXCHUNK        (~MININT)       /* Highest count we write(2).   */
/* Notice that MAXCHUNK itself might be too large with some compilers.
   You have to put it in an int!
*/

static int maxchunk = MAXCHUNK;

/*
 * Just write "cnt" bytes to file-descriptor "fd".
 */
wr_bytes(fd, string, cnt)
        register char   *string;
        register long   cnt;
{

        while (cnt) {
                register int n = cnt >= maxchunk ? maxchunk : cnt;

                if (write(fd, string, n) != n)
                        wr_fatal();
                string += n;
                cnt -= n;
        }
}

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