fmtprint.c (1310B)
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 * format a string into the output buffer 22 * designed for formats which themselves call fmt, 23 * but ignore any width flags 24 */ 25 int 26 fmtprint(Fmt *f, const char *fmt, ...) 27 { 28 va_list va; 29 int n; 30 31 f->flags = 0; 32 f->width = 0; 33 f->prec = 0; 34 va_copy(va, f->args); 35 va_end(f->args); 36 va_start(f->args, fmt); 37 n = dofmt(f, fmt); 38 va_end(f->args); 39 f->flags = 0; 40 f->width = 0; 41 f->prec = 0; 42 va_copy(f->args,va); 43 va_end(va); 44 if(n >= 0) 45 return 0; 46 return n; 47 } 48