From e5dd70708596ae51455a0ffa086a00c5b29f8583 Mon Sep 17 00:00:00 2001 From: patrick Date: Mon, 3 Aug 2020 14:31:31 +0000 Subject: Import LLVM 10.0.0 release including clang, lld and lldb. ok hackroom tested by plenty --- .../docs/analyzer/checkers/unix_api_example.c | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 gnu/llvm/clang/docs/analyzer/checkers/unix_api_example.c (limited to 'gnu/llvm/clang/docs/analyzer/checkers/unix_api_example.c') diff --git a/gnu/llvm/clang/docs/analyzer/checkers/unix_api_example.c b/gnu/llvm/clang/docs/analyzer/checkers/unix_api_example.c new file mode 100644 index 00000000000..66ed56fd866 --- /dev/null +++ b/gnu/llvm/clang/docs/analyzer/checkers/unix_api_example.c @@ -0,0 +1,37 @@ + +// Currently the check is performed for apple targets only. +void test(const char *path) { + int fd = open(path, O_CREAT); + // warn: call to 'open' requires a third argument when the + // 'O_CREAT' flag is set +} + +void f(); + +void test() { + pthread_once_t pred = {0x30B1BCBA, {0}}; + pthread_once(&pred, f); + // warn: call to 'pthread_once' uses the local variable +} + +void test() { + void *p = malloc(0); // warn: allocation size of 0 bytes +} + +void test() { + void *p = calloc(0, 42); // warn: allocation size of 0 bytes +} + +void test() { + void *p = malloc(1); + p = realloc(p, 0); // warn: allocation size of 0 bytes +} + +void test() { + void *p = alloca(0); // warn: allocation size of 0 bytes +} + +void test() { + void *p = valloc(0); // warn: allocation size of 0 bytes +} + -- cgit v1.2.3-59-g8ed1b