1 /* 2 * The authors of this software are Rob Pike and Ken Thompson. 3 * Copyright (c) 2002 by Lucent Technologies. 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose without fee is hereby granted, provided that this entire notice 6 * is included in all copies of any software which is or includes a copy 7 * or modification of this software and in all copies of the supporting 8 * documentation for such software. 9 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED 10 * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE 11 * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY 12 * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. 13 */ 14 #include <inttypes.h> 15 #include <u.h> 16 #include <libc.h> 17 #include "fmtdef.h" 18 19 /* 20 * public routine for final flush of a formatting buffer 21 * to a file descriptor; returns total char count. 22 */ 23 int 24 fmtfdflush(Fmt *f) 25 { 26 if(__fmtFdFlush(f) <= 0) 27 return -1; 28 return f->nfmt; 29 } 30 31 /* 32 * initialize an output buffer for buffered printing 33 */ 34 int 35 fmtfdinit(Fmt *f, int fd, char *buf, int size) 36 { 37 f->runes = 0; 38 f->start = buf; 39 f->to = buf; 40 f->stop = buf + size; 41 f->flush = __fmtFdFlush; 42 f->farg = (void*)(uintptr_t)fd; 43 f->nfmt = 0; 44 return 0; 45 } 46