| /* |
| * The authors of this software are Rob Pike and Ken Thompson, |
| * with contributions from Mike Burrows and Sean Dorward. |
| * |
| * Copyright (c) 2002-2006 by Lucent Technologies. |
| * Portions Copyright (c) 2004 Google Inc. |
| * |
| * Permission to use, copy, modify, and distribute this software for any |
| * purpose without fee is hereby granted, provided that this entire notice |
| * is included in all copies of any software which is or includes a copy |
| * or modification of this software and in all copies of the supporting |
| * documentation for such software. |
| * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED |
| * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES |
| * NOR GOOGLE INC MAKE ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING |
| * THE MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. |
| */ |
| |
| #include <u.h> |
| #include <libc.h> |
| #include "fmtdef.h" |
| |
| |
| /* |
| * Format a string into the output buffer. |
| * Designed for formats which themselves call fmt. |
| * Flags, precision and width are preserved. |
| */ |
| int |
| fmtvprint(Fmt *f, char *fmt, va_list args) |
| { |
| va_list va; |
| int n, w, p; |
| unsigned long fl; |
| |
| w = f->width; |
| p = f->prec; |
| fl = f->flags; |
| VA_COPY(va, f->args); |
| VA_END(f->args); |
| VA_COPY(f->args, args); |
| n = dofmt(f, fmt); |
| VA_END(f->args); |
| VA_COPY(f->args, va); |
| VA_END(va); |
| f->width = w; |
| f->prec = p; |
| f->flags = fl; |
| if(n >= 0) |
| return 0; |
| return n; |
| } |