1 files changed, 68 insertions, 0 deletions
diff --git a/shells/v7sh/files/ulimit.c b/shells/v7sh/files/ulimit.c
new file mode 100644
index 000000000000..97b686c0bf04
--- /dev/null
+++ b/shells/v7sh/files/ulimit.c
@@ -0,0 +1,68 @@
+/*-
+ * Copyright (c) 2002 Kyle Martin <mkm@ieee.org>
+ * 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.
+ *
+ * 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.
+ *
+ * from FreeBSD: /repoman/r/ncvs/src/lib/libc/gen/ulimit.c,v 1.1.2.1 2003/01/08 01:23:00 tjr Exp $
+ */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <stdarg.h>
+#include "ulimit.h"
+
+long
+ulimit(int cmd, ...)
+{
+	struct rlimit limit;
+	va_list ap;
+	long arg;
+
+	if (cmd == UL_GETFSIZE) {
+		if (getrlimit(RLIMIT_FSIZE, &limit) == -1)
+			return (-1);
+		limit.rlim_cur /= 512;
+		if (limit.rlim_cur > LONG_MAX)
+			return (LONG_MAX);
+		return ((long)limit.rlim_cur);
+	} else if (cmd == UL_SETFSIZE) {
+		va_start(ap, cmd);
+		arg = va_arg(ap, long);
+		va_end(ap);
+		limit.rlim_max = limit.rlim_cur = (rlim_t)arg * 512;
+
+		/* The setrlimit() function sets errno to EPERM if needed. */
+		if (setrlimit(RLIMIT_FSIZE, &limit) == -1)
+			return (-1);
+		if (arg * 512 > LONG_MAX)
+			return (LONG_MAX);
+		return (arg);
+	} else {
+		errno = EINVAL;
+		return (-1);
+	}
+}