diff options
author | Daniel Marjamaki <daniel.marjamaki@evidente.se> | 2014-12-15 20:22:33 +0000 |
---|---|---|
committer | Daniel Marjamaki <daniel.marjamaki@evidente.se> | 2014-12-15 20:22:33 +0000 |
commit | 09646d24b23c493569a291f32c339c15f9973f30 (patch) | |
tree | 027b9fb2c5b29651999fc87a1967eaa7c5d95e1d /test/Sema | |
parent | abc56d775ef19f709b75c676a23fcb9b6c99762d (diff) |
Sema: Cleanup and improve string-plus-char checking.
Patch by Anders Rönnholm
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@224268 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Sema')
-rw-r--r-- | test/Sema/string-plus-char.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Sema/string-plus-char.c b/test/Sema/string-plus-char.c index 322e8f5962..66c1182eb0 100644 --- a/test/Sema/string-plus-char.c +++ b/test/Sema/string-plus-char.c @@ -1,5 +1,11 @@ // RUN: %clang_cc1 -fsyntax-only -verify %s +struct AB{const char *a; const char*b;}; + +const char *foo(const struct AB *ab) { + return ab->a + 'b'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} +} + void f(const char *s) { char *str = 0; char *str2 = str + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} @@ -8,6 +14,15 @@ void f(const char *s) { str = 'c' + str;// expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} + char strArr[] = "foo"; + str = strArr + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} + char *strArr2[] = {"ac","dc"}; + str = strArr2[0] + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} + + + struct AB ab; + constStr = foo(&ab) + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} + // no-warning char c = 'c'; str = str + c; |