1 files changed, 67 insertions, 0 deletions
diff --git a/util/et/error_message.c b/util/et/error_message.c
new file mode 100644
index 0000000..507e0f1
--- /dev/null
+++ b/util/et/error_message.c
@@ -0,0 +1,67 @@
+/*
+ * util/et/error_message.c
+ *
+ * Copyright 1987 by the Student Information Processing Board
+ * of the Massachusetts Institute of Technology
+ *
+ * For copyright info, see "mit-sipb-copyright.h".
+ */
+
+#include <stdio.h>
+#include "error_table.h"
+#include "mit-sipb-copyright.h"
+#include "internal.h"
+
+static const char copyright[] =
+    "Copyright 1986, 1987, 1988 by the Student Information Processing Board\nand the department of Information Systems\nof the Massachusetts Institute of Technology";
+
+static char buffer[25];
+
+struct et_list * _et_list = (struct et_list *) NULL;
+
+const char * error_message (code)
+long	code;
+{
+    int offset;
+    struct et_list *et;
+    int table_num;
+    int started = 0;
+    char *cp;
+
+    offset = code & ((1<<ERRCODE_RANGE)-1);
+    table_num = code - offset;
+    if (!table_num) {
+	if (offset < sys_nerr)
+	    return(sys_errlist[offset]);
+	else
+	    goto oops;
+    }
+    for (et = _et_list; et; et = et->next) {
+	if (et->table->base == table_num) {
+	    /* This is the right table */
+	    if (et->table->n_msgs <= offset)
+		goto oops;
+	    return(et->table->msgs[offset]);
+	}
+    }
+oops:
+    strcpy (buffer, "Unknown code ");
+    if (table_num) {
+	strcat (buffer, error_table_name (table_num));
+	strcat (buffer, " ");
+    }
+    for (cp = buffer; *cp; cp++)
+	;
+    if (offset >= 100) {
+	*cp++ = '0' + offset / 100;
+	offset %= 100;
+	started++;
+    }
+    if (started || offset >= 10) {
+	*cp++ = '0' + offset / 10;
+	offset %= 10;
+    }
+    *cp++ = '0' + offset;
+    *cp = '\0';
+    return(buffer);
+}