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 <u.h> 15 #include <libc.h> 16 #include "fmtdef.h" 17 18 char* 19 vseprint(char *buf, char *e, char *fmt, va_list args) 20 { 21 Fmt f; 22 23 if(e <= buf) 24 return nil; 25 f.runes = 0; 26 f.start = buf; 27 f.to = buf; 28 f.stop = e - 1; 29 f.flush = 0; 30 f.farg = nil; 31 f.nfmt = 0; 32 VA_COPY(f.args,args); 33 dofmt(&f, fmt); 34 VA_END(f.args); 35 *(char*)f.to = '\0'; 36 return (char*)f.to; 37 } 38 39