Module Name: src
Committed By: rillig
Date: Sat Oct 9 14:22:42 UTC 2021
Modified Files:
src/tests/usr.bin/xlint/lint1: msg_338.c msg_338.exp
src/usr.bin/xlint/lint1: ckgetopt.c
Log Message:
lint: warn if a getopt switch tries to handle unreachable ':'
To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/tests/usr.bin/xlint/lint1/msg_338.c
cvs rdiff -u -r1.4 -r1.5 src/tests/usr.bin/xlint/lint1/msg_338.exp
cvs rdiff -u -r1.11 -r1.12 src/usr.bin/xlint/lint1/ckgetopt.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/usr.bin/xlint/lint1/msg_338.c
diff -u src/tests/usr.bin/xlint/lint1/msg_338.c:1.6 src/tests/usr.bin/xlint/lint1/msg_338.c:1.7
--- src/tests/usr.bin/xlint/lint1/msg_338.c:1.6 Sat Oct 9 13:57:55 2021
+++ src/tests/usr.bin/xlint/lint1/msg_338.c Sat Oct 9 14:22:42 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: msg_338.c,v 1.6 2021/10/09 13:57:55 rillig Exp $ */
+/* $NetBSD: msg_338.c,v 1.7 2021/10/09 14:22:42 rillig Exp $ */
# 3 "msg_338.c"
// Test for message: option '%c' should be handled in the switch [338]
@@ -141,7 +141,7 @@ unreachable_colon(int argc, char **argv)
/* expect+1: warning: option 'b' should be handled in the switch [338] */
while ((c = getopt(argc, argv, "b:")) != -1) {
switch (c) {
- /* TODO: expect+1: warning: option ':' should be listed in the options string [339] */
+ /* expect+1: warning: option ':' should be listed in the options string [339] */
case ':':
return 'm';
default:
Index: src/tests/usr.bin/xlint/lint1/msg_338.exp
diff -u src/tests/usr.bin/xlint/lint1/msg_338.exp:1.4 src/tests/usr.bin/xlint/lint1/msg_338.exp:1.5
--- src/tests/usr.bin/xlint/lint1/msg_338.exp:1.4 Sat Oct 9 13:57:55 2021
+++ src/tests/usr.bin/xlint/lint1/msg_338.exp Sat Oct 9 14:22:42 2021
@@ -4,4 +4,5 @@ msg_338.c(14): warning: option 'c' shoul
msg_338.c(14): warning: option 'd' should be handled in the switch [338]
msg_338.c(94): warning: option 'o' should be handled in the switch [338]
msg_338.c(116): warning: option 'o' should be handled in the switch [338]
+msg_338.c(145): warning: option ':' should be listed in the options string [339]
msg_338.c(142): warning: option 'b' should be handled in the switch [338]
Index: src/usr.bin/xlint/lint1/ckgetopt.c
diff -u src/usr.bin/xlint/lint1/ckgetopt.c:1.11 src/usr.bin/xlint/lint1/ckgetopt.c:1.12
--- src/usr.bin/xlint/lint1/ckgetopt.c:1.11 Sun Aug 22 22:15:07 2021
+++ src/usr.bin/xlint/lint1/ckgetopt.c Sat Oct 9 14:22:42 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: ckgetopt.c,v 1.11 2021/08/22 22:15:07 rillig Exp $ */
+/* $NetBSD: ckgetopt.c,v 1.12 2021/10/09 14:22:42 rillig Exp $ */
/*-
* Copyright (c) 2021 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: ckgetopt.c,v 1.11 2021/08/22 22:15:07 rillig Exp $");
+__RCSID("$NetBSD: ckgetopt.c,v 1.12 2021/10/09 14:22:42 rillig Exp $");
#endif
#include <stdbool.h>
@@ -113,13 +113,16 @@ check_unlisted_option(char opt)
{
lint_assert(ck.options != NULL);
+ if (opt == ':' && ck.options[0] != ':')
+ goto warn;
+
char *optptr = strchr(ck.options, opt);
if (optptr != NULL)
*optptr = ' ';
else if (opt != '?') {
+ warn:
/* option '%c' should be listed in the options string */
warning(339, opt);
- return;
}
}