diff options
Diffstat (limited to 'test/Sema/warn-strlcpycat-size.c')
-rw-r--r-- | test/Sema/warn-strlcpycat-size.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Sema/warn-strlcpycat-size.c b/test/Sema/warn-strlcpycat-size.c new file mode 100644 index 0000000000..e9e617488c --- /dev/null +++ b/test/Sema/warn-strlcpycat-size.c @@ -0,0 +1,28 @@ +// RUN: %clang_cc1 -Wstrl-incorrect-size -verify -fsyntax-only %s + +typedef __SIZE_TYPE__ size_t; +size_t strlcpy (char * restrict dst, const char * restrict src, size_t size); +size_t strlcat (char * restrict dst, const char * restrict src, size_t size); +size_t strlen (const char *s); + +char s1[100]; +char s2[200]; +char * s3; + +struct { + char f1[100]; + char f2[100][3]; +} s4, **s5; + +int x; + +void f(void) +{ + strlcpy(s1, s2, sizeof(s1)); // no warning + strlcpy(s1, s2, sizeof(s2)); // expected-warning {{size argument in 'strlcpy' call appears to be size of the source; expected the size of the destination}} expected-note {{change size argument to be the size of the destination}} + strlcpy(s1, s3, strlen(s3)+1); // expected-warning {{size argument in 'strlcpy' call appears to be size of the source; expected the size of the destination}} expected-note {{change size argument to be the size of the destination}} + strlcat(s2, s3, sizeof(s3)); // expected-warning {{size argument in 'strlcat' call appears to be size of the source; expected the size of the destination}} expected-note {{change size argument to be the size of the destination}} + strlcpy(s4.f1, s2, sizeof(s2)); // expected-warning {{size argument in 'strlcpy' call appears to be size of the source; expected the size of the destination}} expected-note {{change size argument to be the size of the destination}} + strlcpy((*s5)->f2[x], s2, sizeof(s2)); // expected-warning {{size argument in 'strlcpy' call appears to be size of the source; expected the size of the destination}} expected-note {{change size argument to be the size of the destination}} + strlcpy(s1+3, s2, sizeof(s2)); // expected-warning {{size argument in 'strlcpy' call appears to be size of the source; expected the size of the destination}} +} |