initial import of NetBSD tree

1 files changed, 183 insertions, 0 deletions

diff --git a/usr.bin/xlint/lint1/main1.c b/usr.bin/xlint/lint1/main1.c
new file mode 100644
index 00000000000..0add2067946
--- /dev/null
+++ b/usr.bin/xlint/lint1/main1.c
@@ -0,0 +1,183 @@
+/*	$NetBSD: main1.c,v 1.3 1995/10/02 17:29:56 jpo Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Jochen Pohl
+ * All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Jochen Pohl for
+ *	The NetBSD Project.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char rcsid[] = "$NetBSD: main1.c,v 1.3 1995/10/02 17:29:56 jpo Exp $";
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <err.h>
+
+#include "lint1.h"
+
+/* set yydebug to 1*/
+int	yflag;
+
+/*
+ * Print warnings if an assignment of an integertype to another integertype
+ * causes an implizit narrowing conversion. If aflag is 1, these warnings
+ * are printed only if the source type is at least as wide as long. If aflag
+ * is greather then 1, they are always printed.
+ */
+int	aflag;
+
+/* Print a warning if a break statement cannot be reached. */
+int	bflag;
+
+/* Print warnings for pointer casts. */
+int	cflag;
+
+/* Print various debug information. */
+int	dflag;
+
+/* Perform stricter checking of enum types and operations on enum types. */
+int	eflag;
+
+/* Print complete pathnames, not only the basename. */
+int	Fflag;
+
+/* Enable some extensions of gcc */
+int	gflag;
+
+/*
+ * Apply a number of heuristic tests to attempt to intuit bugs, improve
+ * style, and reduce waste.
+ */
+int	hflag;
+
+/* Attempt to check portability to other dialects of C. */
+int	pflag;
+
+/*
+ * In case of redeclarations/redefinitions print the location of the
+ * previous declaration/definition.
+ */
+int	rflag;
+
+/* Strict ANSI C mode. */
+int	sflag;
+
+/* Traditional C mode. */
+int	tflag;
+
+/*
+ * Complain about functions and external variables used and not defined,
+ * or defined and not used.
+ */
+int	uflag = 1;
+
+/* Complain about unused function arguments. */
+int	vflag = 1;
+
+/* Complain about structures which are never defined. */
+int	zflag = 1;
+
+static	void	usage __P((void));
+
+int
+main(argc, argv)
+	int	argc;
+	char	*argv[];
+{
+	int	c;
+
+	while ((c = getopt(argc, argv, "abcdeghprstuvyzF")) != -1) {
+		switch (c) {
+		case 'a':	aflag++;	break;
+		case 'b':	bflag = 1;	break;
+		case 'c':	cflag = 1;	break;
+		case 'd':	dflag = 1;	break;
+		case 'e':	eflag = 1;	break;
+		case 'F':	Fflag = 1;	break;
+		case 'g':	gflag = 1;	break;
+		case 'h':	hflag = 1;	break;
+		case 'p':	pflag = 1;	break;
+		case 'r':	rflag = 1;	break;
+		case 's':	sflag = 1;	break;
+		case 't':	tflag = 1;	break;
+		case 'u':	uflag = 0;	break;
+		case 'v':	vflag = 0;	break;
+		case 'y':	yflag = 1;	break;
+		case 'z':	zflag = 0;	break;
+		case '?':	usage();
+		}
+	}
+	argc -= optind;
+	argv += optind;
+
+	if (argc != 2)
+		usage();
+
+	/* open the input file */
+	if ((yyin = fopen(argv[0], "r")) == NULL)
+		err(1, "cannot open '%s'", argv[0]);
+
+	/* initialize output */
+	outopen(argv[1]);
+
+	if (yflag)
+		yydebug = 1;
+
+	initmem();
+	initdecl();
+	initscan();
+	initmtab();
+
+	yyparse();
+
+	/* Following warnings cannot be suppressed by LINTED */
+	nowarn = 0;
+
+	chkglsyms();
+
+	outclose();
+
+	return (nerr != 0);
+}
+
+static void
+usage()
+{
+	(void)fprintf(stderr, "usage: lint1 [-abcdeghprstuvyzF] src dest\n");
+	exit(1);
+}
+	
+void
+norecover()
+{
+	/* cannot recover from previous errors */
+	error(224);
+	exit(1);
+}