Add vsnrprintf() which is just like vsnprintf() but takes a "radix"

argument for the kernel-special %r format.

1 files changed, 17 insertions, 0 deletions

diff --git a/sys/kern/subr_prf.c b/sys/kern/subr_prf.c
index 56f0c2e76905..abe059bf7610 100644
--- a/sys/kern/subr_prf.c
+++ b/sys/kern/subr_prf.c
@@ -416,6 +416,23 @@ vsnprintf(char *str, size_t size, const char *format, va_list ap)
 	return (retval);
 }
 
+/*
+ * Kernel version which takes radix argument vsnprintf(3).
+ */
+int
+vsnrprintf(char *str, size_t size, int radix, const char *format, va_list ap)
+{
+	struct snprintf_arg info;
+	int retval;
+
+	info.str = str;
+	info.remain = size;
+	retval = kvprintf(format, snprintf_func, &info, radix, ap);
+	if (info.remain >= 1)
+		*info.str++ = '\0';
+	return (retval);
+}
+
 static void
 snprintf_func(int ch, void *arg)
 {