1 files changed, 67 insertions, 0 deletions
diff --git a/libmisc/ttytype.c b/libmisc/ttytype.c
new file mode 100644
index 0000000..f72d957
--- /dev/null
+++ b/libmisc/ttytype.c
@@ -0,0 +1,67 @@
+/*
+ * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1996 - 1997, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2008 - 2010, Nicolas François
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <config.h>
+
+#ident "$Id$"
+
+#include <stdio.h>
+#include "prototypes.h"
+#include "defines.h"
+#include "getdef.h"
+/*
+ * ttytype - set ttytype from port to terminal type mapping database
+ */
+void ttytype (const char *line)
+{
+	FILE *fp;
+	char buf[BUFSIZ];
+	const char *typefile;
+	char *cp;
+	char type[1024] = "";
+	char port[1024];
+
+	if (getenv ("TERM") != NULL) {
+		return;
+	}
+	typefile = getdef_str ("TTYTYPE_FILE");
+	if (NULL == typefile) {
+		return;
+	}
+	if (access (typefile, F_OK) != 0) {
+		return;
+	}
+
+	fp = fopen (typefile, "r");
+	if (NULL == fp) {
+		perror (typefile);
+		return;
+	}
+	while (fgets (buf, (int) sizeof buf, fp) == buf) {
+		if (buf[0] == '#') {
+			continue;
+		}
+
+		cp = strchr (buf, '\n');
+		if (NULL != cp) {
+			*cp = '\0';
+		}
+
+		if (   (sscanf (buf, "%1023s %1023s", type, port) == 2)
+		    && (strcmp (line, port) == 0)) {
+			break;
+		}
+	}
+	if ((feof (fp) == 0) && (ferror (fp) == 0) && (type[0] != '\0')) {
+		addenv ("TERM", type);
+	}
+
+	(void) fclose (fp);
+}
+