$NetBSD: patch-ac,v 1.1.1.1 2000/12/11 13:53:26 wiz Exp $

--- /dev/null	Mon Mar 22 08:33:49 1999
+++ src/engine/asprintf.c	Mon Mar 22 09:26:19 1999
@@ -0,0 +1,95 @@
+/*	$NetBSD: patch-ac,v 1.1.1.1 2000/12/11 13:53:26 wiz Exp $	*/
+
+/*
+ * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
+ * 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 ``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 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 <sys/param.h>
+
+/*
+ * research has shown that NetBSD 1.3H was the first version of -current
+ * with asprintf in libc. agc
+ */
+#if __NetBSD_Version__ < 103080000
+
+#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+__RCSID("$NetBSD: patch-ac,v 1.1.1.1 2000/12/11 13:53:26 wiz Exp $");
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#if __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+int
+#if __STDC__
+asprintf(char **str, char const *fmt, ...)
+#else
+asprintf(str, fmt, va_alist)
+	char **str;
+	const char *fmt;
+	va_dcl
+#endif
+{
+	int ret;
+	va_list ap;
+	FILE f;
+	unsigned char *_base;
+
+#if __STDC__
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	f._flags = __SWR | __SSTR | __SALC;
+	f._bf._base = f._p = (unsigned char *)malloc(128);
+	if (f._bf._base == NULL)
+		goto err;
+	f._bf._size = f._w = 127;		/* Leave room for the NUL */
+	ret = vfprintf(&f, fmt, ap);
+	if (ret == -1)
+		goto err;
+	*f._p = '\0';
+	va_end(ap);
+	_base = realloc(f._bf._base, (size_t)(ret + 1));
+	if (_base == NULL)
+		goto err;
+	*str = (char *)_base;
+	return (ret);
+
+err:
+	if (f._bf._base)
+		free(f._bf._base);
+	*str = NULL;
+	errno = ENOMEM;
+	return (-1);
+}
+
+#endif /* NetBSD < 1.3H */