1 files changed, 50 insertions, 0 deletions
diff --git a/usr/src/cmd/ptools/common/ptools_common.c b/usr/src/cmd/ptools/common/ptools_common.c
new file mode 100644
index 0000000000..a747ab213e
--- /dev/null
+++ b/usr/src/cmd/ptools/common/ptools_common.c
@@ -0,0 +1,50 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
+ */
+
+#include <sys/feature_tests.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <zone.h>
+
+/*
+ * Common routines for ptools.
+ */
+
+int
+proc_snprintf(char *_RESTRICT_KYWD s, size_t n,
+    const char *_RESTRICT_KYWD fmt, ...)
+{
+	static boolean_t ptools_zroot_valid = B_FALSE;
+	static const char *ptools_zroot = NULL;
+	va_list args;
+	int ret, nret = 0;
+
+	if (ptools_zroot_valid == B_FALSE) {
+		ptools_zroot_valid = B_TRUE;
+		ptools_zroot = zone_get_nroot();
+	}
+
+	if (ptools_zroot != NULL) {
+		nret = snprintf(s, n, "%s", ptools_zroot);
+		if (nret > n)
+			return (nret);
+	}
+	va_start(args, fmt);
+	ret = vsnprintf(s + nret, n - nret, fmt, args);
+	va_end(args);
+
+	return (ret + nret);
+}