diff options
| author | Otto Moerbeek <otto@cvs.openbsd.org> | 2006-05-05 20:02:12 +0000 |
|---|---|---|
| committer | Otto Moerbeek <otto@cvs.openbsd.org> | 2006-05-05 20:02:12 +0000 |
| commit | 05073aa4a229b774efd26755d5b7d55d80a5f6a9 (patch) | |
| tree | 7f3c7526424c5980cb7f47b187c321db468a2a50 /regress/usr.bin/xlint | |
| parent | b13853901a1ffc2e1d3686eaef4f6731037f19d5 (diff) | |
test pointer casts
Diffstat (limited to 'regress/usr.bin/xlint')
| -rw-r--r-- | regress/usr.bin/xlint/Makefile | 5 | ||||
| -rw-r--r-- | regress/usr.bin/xlint/test-23.c | 65 | ||||
| -rw-r--r-- | regress/usr.bin/xlint/test-23.c.exp | 17 |
3 files changed, 85 insertions, 2 deletions
diff --git a/regress/usr.bin/xlint/Makefile b/regress/usr.bin/xlint/Makefile index 110509395ff..8e1994580e0 100644 --- a/regress/usr.bin/xlint/Makefile +++ b/regress/usr.bin/xlint/Makefile @@ -1,6 +1,7 @@ -# $OpenBSD: Makefile,v 1.25 2006/05/03 18:45:25 cloder Exp $ +# $OpenBSD: Makefile,v 1.26 2006/05/05 20:02:11 otto Exp $ -TEST_MODULES= 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 +TEST_MODULES= 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 \ + 23 LINT= lint LINTFLAGS?= -chabx diff --git a/regress/usr.bin/xlint/test-23.c b/regress/usr.bin/xlint/test-23.c new file mode 100644 index 00000000000..ae88f440f79 --- /dev/null +++ b/regress/usr.bin/xlint/test-23.c @@ -0,0 +1,65 @@ +/* $OpenBSD: test-23.c,v 1.1 2006/05/05 20:02:11 otto Exp $ */ + +/* + * Placed in the public domain by Otto Moerbeek <otto@drijf.net>. + * + * Test pointer casts + */ + +struct foo { + int a; +}; + +void +f(void) +{ + void *vp = 0; + char *cp = 0; + signed char *scp = 0; + unsigned char *ucp = 0; + short *sp = 0; + struct foo *fp = 0; + + vp = (void *)vp; + vp = (void *)cp; + vp = (void *)scp; + vp = (void *)ucp; + vp = (void *)sp; + vp = (void *)fp; + + cp = (char *)vp; + cp = (char *)cp; + cp = (char *)ucp; + cp = (char *)scp; + cp = (char *)sp; + cp = (char *)fp; + + scp = (signed char *)vp; + scp = (signed char *)cp; + scp = (signed char *)ucp; + scp = (signed char *)scp; + scp = (signed char *)sp; + scp = (signed char *)fp; + + ucp = (unsigned char *)vp; + ucp = (unsigned char *)cp; + ucp = (unsigned char *)ucp; + ucp = (unsigned char *)scp; + ucp = (unsigned char *)sp; + ucp = (unsigned char *)fp; + + sp = (short *)vp; + sp = (short *)cp; + sp = (short *)ucp; + sp = (short *)scp; + sp = (short *)sp; + sp = (short *)fp; + + fp = (struct foo *)vp; + fp = (struct foo *)cp; + fp = (struct foo *)ucp; + fp = (struct foo *)scp; + fp = (struct foo *)sp; + fp = (struct foo *)fp; + +} diff --git a/regress/usr.bin/xlint/test-23.c.exp b/regress/usr.bin/xlint/test-23.c.exp new file mode 100644 index 00000000000..6c3fdcc4b34 --- /dev/null +++ b/regress/usr.bin/xlint/test-23.c.exp @@ -0,0 +1,17 @@ +test-23.c:52: warning: possible pointer alignment problem +test-23.c:52: warning: pointer casts may be troublesome +test-23.c:53: warning: possible pointer alignment problem +test-23.c:53: warning: pointer casts may be troublesome +test-23.c:54: warning: possible pointer alignment problem +test-23.c:54: warning: pointer casts may be troublesome +test-23.c:56: warning: pointer casts may be troublesome +test-23.c:59: warning: possible pointer alignment problem +test-23.c:59: warning: pointer casts may be troublesome +test-23.c:60: warning: possible pointer alignment problem +test-23.c:60: warning: pointer casts may be troublesome +test-23.c:61: warning: possible pointer alignment problem +test-23.c:61: warning: pointer casts may be troublesome +test-23.c:62: warning: possible pointer alignment problem +test-23.c:62: warning: pointer casts may be troublesome +Lint pass2: +test-23.c:14: f defined, but never used |