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-rw-r--r--src/libfmt/runevsnprint.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/libfmt/runevsnprint.c b/src/libfmt/runevsnprint.c
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+++ b/src/libfmt/runevsnprint.c
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+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * 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 MAKE ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <string.h>
+#include "utf.h"
+#include "fmt.h"
+#include "fmtdef.h"
+
+int
+runevsnprint(Rune *buf, int len, char *fmt, va_list args)
+{
+ Fmt f;
+
+ if(len <= 0)
+ return -1;
+ f.runes = 1;
+ f.start = buf;
+ f.to = buf;
+ f.stop = buf + len - 1;
+ f.flush = nil;
+ f.farg = nil;
+ f.nfmt = 0;
+ f.args = args;
+ dofmt(&f, fmt);
+ *(Rune*)f.to = '\0';
+ return (Rune*)f.to - buf;
+}