From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/Analysis/cstring-syntax.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 clang/test/Analysis/cstring-syntax.c (limited to 'clang/test/Analysis/cstring-syntax.c') diff --git a/clang/test/Analysis/cstring-syntax.c b/clang/test/Analysis/cstring-syntax.c new file mode 100644 index 0000000..64ecb67 --- /dev/null +++ b/clang/test/Analysis/cstring-syntax.c @@ -0,0 +1,13 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=unix.cstring.BadSizeArg -analyzer-store=region -Wno-strlcpy-strlcat-size -Wno-sizeof-array-argument -Wno-sizeof-pointer-memaccess -verify %s + +typedef __SIZE_TYPE__ size_t; +char *strncat(char *, const char *, size_t); +size_t strlen (const char *s); + +void testStrncat(const char *src) { + char dest[10]; + strncat(dest, "AAAAAAAAAAAAAAAAAAAAAAAAAAAAA", sizeof(dest) - 1); // expected-warning {{Potential buffer overflow. Replace with 'sizeof(dest) - strlen(dest) - 1' or use a safer 'strlcat' API}} + strncat(dest, "AAAAAAAAAAAAAAAAAAAAAAAAAAA", sizeof(dest)); // expected-warning {{Potential buffer overflow. Replace with}} + strncat(dest, "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", sizeof(dest) - strlen(dest)); // expected-warning {{Potential buffer overflow. Replace with}} + strncat(dest, src, sizeof(src)); // expected-warning {{Potential buffer overflow. Replace with}} +} -- cgit v1.2.3