minimal plan9port to cross-build Jehanne

lib/lib9/fmt/dorfmt.c

@@ -0,0 +1,50 @@
+/* Copyright (c) 2002-2006 Lucent Technologies; see LICENSE */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "fmt.h"
+#include "fmtdef.h"
+
+/* format the output into f->to and return the number of characters fmted  */
+
+/* BUG: THIS FILE IS NOT UPDATED TO THE  NEW SPEC */
+int
+dorfmt(Fmt *f, const Rune *fmt)
+{
+	Rune *rt, *rs;
+	int r;
+	char *t, *s;
+	int nfmt;
+
+	nfmt = f->nfmt;
+	for(;;){
+		if(f->runes){
+			rt = (Rune*)f->to;
+			rs = (Rune*)f->stop;
+			while((r = *fmt++) && r != '%'){
+				FMTRCHAR(f, rt, rs, r);
+			}
+			f->nfmt += rt - (Rune *)f->to;
+			f->to = rt;
+			if(!r)
+				return f->nfmt - nfmt;
+			f->stop = rs;
+		}else{
+			t = (char*)f->to;
+			s = (char*)f->stop;
+			while((r = *fmt++) && r != '%'){
+				FMTRUNE(f, t, f->stop, r);
+			}
+			f->nfmt += t - (char *)f->to;
+			f->to = t;
+			if(!r)
+				return f->nfmt - nfmt;
+			f->stop = s;
+		}
+
+		fmt = (Rune*)__fmtdispatch(f, (Rune*)fmt, 1);
+		if(fmt == nil)
+			return -1;
+	}
+	return 0;		/* not reached */
+}