1 files changed, 34 insertions, 0 deletions
diff --git a/support/errno.c b/support/errno.c
new file mode 100644
index 00000000000..9794fec59a0
--- /dev/null
+++ b/support/errno.c
@@ -0,0 +1,34 @@
+/*
+ * <errno.h> wrapper functions.
+ */
+
+/* to get XPG's strerror_r declaration */
+#undef _GNU_SOURCE
+#undef _XOPEN_SOURCE
+#define _XOPEN_SOURCE 600
+
+#include <errno.h>
+#include <string.h>
+#include "mph.h"
+#include <stdio.h>
+
+G_BEGIN_DECLS
+
+void
+Mono_Posix_Syscall_SetLastError (int error_number)
+{
+	errno = error_number;
+}
+
+gint32
+Mono_Posix_Syscall_strerror_r (int errnum, char *buf, mph_size_t n)
+{
+	mph_return_if_size_t_overflow (n);
+	return strerror_r (errnum, buf, (size_t) n);
+}
+
+G_END_DECLS
+
+/*
+ * vim: noexpandtab
+ */