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 ANY 11 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY 12 * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. 13 */ 14 #include <stdarg.h> 15 #include <stdlib.h> 16 #include "utf.h" 17 #include "fmt.h" 18 #include "fmtdef.h" 19 20 /* 21 * print into an allocated string buffer 22 */ 23 Rune* 24 runevsmprint(char *fmt, va_list args) 25 { 26 Fmt f; 27 int n; 28 29 if(runefmtstrinit(&f) < 0) 30 return nil; 31 f.args = args; 32 n = dofmt(&f, fmt); 33 if(n < 0) 34 return nil; 35 *(Rune*)f.to = '\0'; 36 return (Rune*)f.start; 37 } 38