/* Tests for precision-of-wording within malloc warnings. */ typedef __SIZE_TYPE__ size_t; extern void *malloc(size_t); extern void free(void *); extern char *strcpy(char *__restrict __dest, const char *__restrict __src) __attribute__((__nothrow__, __leaf__)) __attribute__((__nonnull__(1, 2))); void test_1 (void) { void *p = malloc (1024); /* { dg-message "\\(1\\) this call could return NULL" } */ strcpy ((char *)p, "hello world"); /* { dg-warning "use of possibly-NULL 'p' where non-null expected" "warning" } */ /* { dg-message "\\(2\\) argument 1 \\('p'\\) from \\(1\\) could be NULL where non-null expected" "event" { target *-*-* } .-1 } */ free (p); } int *test_2 (void) { int *i = malloc (sizeof (int)); /* { dg-message "\\(1\\) this call could return NULL" } */ *i = 42; /* { dg-warning "dereference of possibly-NULL 'i'" "warning" } */ /* { dg-message "\\(2\\) 'i' could be NULL: unchecked value from \\(1\\)" "event" { target *-*-* } .-1 } */ return i; }