1 files changed, 60 insertions, 0 deletions
diff --git a/contrib/openpam/lib/libpam/openpam_vasprintf.c b/contrib/openpam/lib/libpam/openpam_vasprintf.c
new file mode 100644
index 0000000..bedabf4
--- /dev/null
+++ b/contrib/openpam/lib/libpam/openpam_vasprintf.c
@@ -0,0 +1,60 @@
+/*-
+ * Copyright (c) 2011-2012 Dag-Erling Smørgrav
+ * All rights reserved.
+ *
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $Id: openpam_vasprintf.c 648 2013-03-05 17:54:27Z des $
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifndef HAVE_VASPRINTF
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "openpam_vasprintf.h"
+
+/* like vsprintf(3), but allocates memory for the result. */
+int
+openpam_vasprintf(char **str, const char *fmt, va_list ap)
+{
+        va_list apcopy;
+        int len, ret;
+
+        va_copy(apcopy, ap);
+        len = vsnprintf(NULL, 0, fmt, ap);
+        if ((*str = malloc(len + 1)) == NULL)
+                return (-1);
+        ret = vsnprintf(*str, len + 1, fmt, apcopy);
+        va_end(apcopy);
+        return (ret);
+}
+
+#endif