1 files changed, 104 insertions, 0 deletions
diff --git a/msg.c b/msg.c
new file mode 100644
index 00000000..6f1090fd
--- /dev/null
+++ b/msg.c
@@ -0,0 +1,104 @@
+/*
+ * msg.c - routines for error messages
+ */
+
+/* 
+ * Copyright (C) 1986, 1988, 1989 the Free Software Foundation, Inc.
+ * 
+ * This file is part of GAWK, the GNU implementation of the
+ * AWK Progamming Language.
+ * 
+ * GAWK is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 1, or (at your option)
+ * any later version.
+ * 
+ * GAWK is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GAWK; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "awk.h"
+
+int sourceline = 0;
+char *source = NULL;
+
+/* VARARGS2 */
+static void
+err(s, msg, argp)
+char *s;
+char *msg;
+va_list *argp;
+{
+	int line;
+	char *file;
+
+	(void) fprintf(stderr, "%s: %s ", myname, s);
+	vfprintf(stderr, msg, *argp);
+	(void) fprintf(stderr, "\n");
+	line = (int) FNR_node->var_value->numbr;
+	if (line) {
+		(void) fprintf(stderr, " input line number %d", line);
+		file = FILENAME_node->var_value->stptr;
+		if (file && !STREQ(file, "-"))
+			(void) fprintf(stderr, ", file `%s'", file);
+		(void) fprintf(stderr, "\n");
+	}
+	if (sourceline) {
+		(void) fprintf(stderr, " source line number %d", sourceline);
+		if (source)
+			(void) fprintf(stderr, ", file `%s'", source);
+		(void) fprintf(stderr, "\n");
+	}
+}
+
+/*VARARGS0*/
+void
+msg(va_alist)
+va_dcl
+{
+	va_list args;
+	char *mesg;
+
+	va_start(args);
+	mesg = va_arg(args, char *);
+	err("", mesg, &args);
+	va_end(args);
+}
+
+/*VARARGS0*/
+void
+warning(va_alist)
+va_dcl
+{
+	va_list args;
+	char *mesg;
+
+	va_start(args);
+	mesg = va_arg(args, char *);
+	err("warning:", mesg, &args);
+	va_end(args);
+}
+
+/*VARARGS0*/
+void
+fatal(va_alist)
+va_dcl
+{
+	va_list args;
+	char *mesg;
+
+	va_start(args);
+	mesg = va_arg(args, char *);
+	err("fatal error:", mesg, &args);
+	va_end(args);
+#ifdef DEBUG
+	abort();
+#endif
+	exit(1);
+}