// RUN: %check_clang_tidy %s cppcoreguidelines-no-malloc %t \ // RUN: -config='{CheckOptions: \ // RUN: [{key: cppcoreguidelines-no-malloc.Allocations, value: "::malloc;::align_malloc;::calloc"},\ // RUN: {key: cppcoreguidelines-no-malloc.Reallocations, value: "::realloc;::align_realloc"},\ // RUN: {key: cppcoreguidelines-no-malloc.Deallocations, value: "::free;::align_free"}]}' \ // RUN: -- using size_t = __SIZE_TYPE__; void *malloc(size_t size); void *align_malloc(size_t size, unsigned short aligmnent); void *calloc(size_t num, size_t size); void *realloc(void *ptr, size_t size); void *align_realloc(void *ptr, size_t size, unsigned short alignment); void free(void *ptr); void *align_free(void *ptr); void malloced_array() { int *array0 = (int *)malloc(sizeof(int) * 20); // CHECK-MESSAGES: :[[@LINE-1]]:24: warning: do not manage memory manually; consider a container or a smart pointer [cppcoreguidelines-no-malloc] int *zeroed = (int *)calloc(20, sizeof(int)); // CHECK-MESSAGES: :[[@LINE-1]]:24: warning: do not manage memory manually; consider a container or a smart pointer [cppcoreguidelines-no-malloc] int *aligned = (int *)align_malloc(20 * sizeof(int), 16); // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: do not manage memory manually; consider a container or a smart pointer [cppcoreguidelines-no-malloc] // reallocation memory, std::vector shall be used char *realloced = (char *)realloc(array0, 50 * sizeof(int)); // CHECK-MESSAGES: :[[@LINE-1]]:29: warning: do not manage memory manually; consider std::vector or std::string [cppcoreguidelines-no-malloc] char *align_realloced = (char *)align_realloc(aligned, 50 * sizeof(int), 16); // CHECK-MESSAGES: :[[@LINE-1]]:35: warning: do not manage memory manually; consider std::vector or std::string [cppcoreguidelines-no-malloc] // freeing memory the bad way free(realloced); // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: do not manage memory manually; use RAII [cppcoreguidelines-no-malloc] align_free(align_realloced); // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: do not manage memory manually; use RAII [cppcoreguidelines-no-malloc] // check if a call to malloc as function argument is found as well free(malloc(20)); // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: do not manage memory manually; use RAII [cppcoreguidelines-no-malloc] // CHECK-MESSAGES: :[[@LINE-2]]:8: warning: do not manage memory manually; consider a container or a smart pointer [cppcoreguidelines-no-malloc] } /// newing an array is still not good, but not relevant to this checker void newed_array() { int *new_array = new int[10]; // OK(1) } void arbitrary_call() { // we dont want every function to raise the warning even if malloc is in the name malloced_array(); // OK(2) // completly unrelated function call to malloc newed_array(); // OK(3) }