fmtvprint.c (1319B)
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 <stdarg.h> 15 #include <string.h> 16 #include "plan9.h" 17 #include "fmt.h" 18 #include "fmtdef.h" 19 20 21 /* 22 * format a string into the output buffer 23 * designed for formats which themselves call fmt, 24 * but ignore any width flags 25 */ 26 int 27 fmtvprint(Fmt *f, const char *fmt, va_list args) 28 { 29 va_list va; 30 int n; 31 32 f->flags = 0; 33 f->width = 0; 34 f->prec = 0; 35 va_copy(va,f->args); 36 va_end(f->args); 37 va_copy(f->args,args); 38 n = dofmt(f, fmt); 39 f->flags = 0; 40 f->width = 0; 41 f->prec = 0; 42 va_end(f->args); 43 va_copy(f->args,va); 44 va_end(va); 45 if(n >= 0) 46 return 0; 47 return n; 48 } 49