1 files changed, 74 insertions, 0 deletions
diff --git a/lib/iolog/iolog_util.c b/lib/iolog/iolog_util.c
new file mode 100644
index 0000000..bb1dde8
--- /dev/null
+++ b/lib/iolog/iolog_util.c
@@ -0,0 +1,74 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2009-2021 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * This is an open source non-commercial project. Dear PVS-Studio, please check it.
+ * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# include "compat/stdbool.h"
+#endif
+#include <time.h>
+
+#include "sudo_compat.h"
+#include "sudo_debug.h"
+#include "sudo_iolog.h"
+
+/*
+ * Map IOFD_* -> name.
+ */
+const char *
+iolog_fd_to_name(int iofd)
+{
+    const char *ret;
+    debug_decl(iolog_fd_to_name, SUDO_DEBUG_UTIL);
+
+    switch (iofd) {
+    case IOFD_STDIN:
+	ret = "stdin";
+	break;
+    case IOFD_STDOUT:
+	ret = "stdout";
+	break;
+    case IOFD_STDERR:
+	ret = "stderr";
+	break;
+    case IOFD_TTYIN:
+	ret = "ttyin";
+	break;
+    case IOFD_TTYOUT:
+	ret = "ttyout";
+	break;
+    case IOFD_TIMING:
+	ret = "timing";
+	break;
+    default:
+	ret = "unknown";
+	sudo_debug_printf(SUDO_DEBUG_ERROR, "%s: unexpected iofd %d",
+	    __func__, iofd);
+	break;
+    }
+    debug_return_const_str(ret);
+}