Move to kernel style SPDX license identifiers

[lttng-ust.git] / snprintf / snprintf.c

diff --git a/snprintf/snprintf.c b/snprintf/snprintf.c
index b0ea5d3b0373cd46e282335d303beb136e1f21f4..200120882a59bdbb9586c83f6c204637606fe3f3 100644 (file)
--- a/snprintf/snprintf.c
+++ b/snprintf/snprintf.c
@@ -1,57 +1,38 @@
 /*     $OpenBSD: snprintf.c,v 1.16 2009/10/22 01:23:16 guenther Exp $ */
-/*-
- * Copyright (c) 1990, 1993
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (C) 1990, 1993
  *     The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed to Berkeley by
  * Chris Torek.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
  */
 
 #include <limits.h>
+#include <stddef.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdarg.h>
 #include "local.h"
 #include "ust_snprintf.h"
 
+#define DUMMY_LEN      1
+
 int ust_safe_vsnprintf(char *str, size_t n, const char *fmt, va_list ap)
 {
        int ret;
-       char dummy;
-       LFILE f;
-       struct __sfileext fext;
+       char dummy[DUMMY_LEN];
+       LTTNG_UST_LFILE f;
+       struct __lttng_ust_sfileext fext;
 
        /* While snprintf(3) specifies size_t stdio uses an int internally */
        if (n > INT_MAX)
                n = INT_MAX;
        /* Stdio internals do not deal correctly with zero length buffer */
        if (n == 0) {
-               str = &dummy;
-               n = 1;
+               str = dummy;
+               n = DUMMY_LEN;
        }
        _FILEEXT_SETUP(&f, &fext);
        f._file = -1;