/*- * Copyright (c) 1982, 1988, 1993 * The Regents of the University of California. All rights reserved. * * This module is believed to contain source code proprietary to AT&T. * Use and redistribution is subject to the Berkeley Software License * Agreement and your Software Agreement with AT&T (Western Electric). * * @(#)write.c 8.1 (Berkeley) 6/11/93 */ #include <sys/param.h> #include <stand.att/saio.h> #ifndef SMALL write(fdesc, buf, count) int fdesc, count; char *buf; { register i; register struct iob *file; errno = 0; if (fdesc >= 0 && fdesc <= 2) { i = count; while (i--) putchar(*buf++); return (count); } fdesc -= 3; if (fdesc < 0 || fdesc >= SOPEN_MAX || ((file = &iob[fdesc])->i_flgs&F_ALLOC) == 0) { errno = EBADF; return (-1); } if ((file->i_flgs&F_WRITE) == 0) { errno = EBADF; return (-1); } file->i_cc = count; file->i_ma = buf; file->i_bn = file->i_boff + (file->i_offset / DEV_BSIZE); i = devwrite(file); file->i_offset += count; if (i < 0) errno = file->i_error; return (i); } #endif