diff --git a/src/misc/ulimit.c b/src/misc/ulimit.c
new file mode 100644
index 0000000000000000000000000000000000000000..f0eee3a0692e11d4a870187b48958a19038d721e
--- /dev/null
+++ b/src/misc/ulimit.c
@@ -0,0 +1,19 @@
+#include <sys/resource.h>
+#include <ulimit.h>
+#include <stdarg.h>
+
+long ulimit(int cmd, ...)
+{
+	struct rlimit rl;
+	getrlimit(RLIMIT_FSIZE, &rl);
+	if (cmd == UL_SETFSIZE) {
+		long val;
+		va_list ap;
+		va_start(ap, cmd);
+		val = va_arg(ap, long);
+		va_end(ap);
+		rl.rlim_cur = 512ULL * val;
+		if (setrlimit(RLIMIT_FSIZE, &rl)) return -1; 
+	}
+	return rl.rlim_cur / 512;
+}