1 files changed, 16 insertions, 0 deletions
diff --git a/lib/libc/gen/setprogname.c b/lib/libc/gen/setprogname.c
new file mode 100644
index 000000000000..853c5f277386
--- /dev/null
+++ b/lib/libc/gen/setprogname.c
@@ -0,0 +1,16 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "libc_private.h"
+
+void
+setprogname(const char *progname)
+{
+	const char *p;
+
+	p = strrchr(progname, '/');
+	if (p != NULL)
+		__progname = p + 1;
+	else
+		__progname = progname;
+}