add hg and python

1 files changed, 19 insertions, 0 deletions

diff --git a/sys/src/cmd/python/Python/strerror.c b/sys/src/cmd/python/Python/strerror.c
new file mode 100644
index 000000000..55f8342ec
--- /dev/null
+++ b/sys/src/cmd/python/Python/strerror.c
@@ -0,0 +1,19 @@
+
+/* PD implementation of strerror() for systems that don't have it.
+   Author: Guido van Rossum, CWI Amsterdam, Oct. 1990, <guido@cwi.nl>. */
+
+#include <stdio.h>
+#include "Python.h"
+
+extern int sys_nerr;
+extern char *sys_errlist[];
+
+char *
+strerror(int err)
+{
+	static char buf[20];
+	if (err >= 0 && err < sys_nerr)
+		return sys_errlist[err];
+	PyOS_snprintf(buf, sizeof(buf), "Unknown errno %d", err);
+	return buf;
+}