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#include <stdio.h>
#include <stdint.h>
// See comments in build_native_lib()
#define EXPORT __attribute__((visibility("default")))
/* Test: test_access_pointer */
EXPORT void print_pointer(const int32_t *ptr) {
printf("printing pointer dereference from C: %d\n", *ptr);
}
/* Test: test_access_simple */
typedef struct Simple {
int32_t field;
} Simple;
EXPORT int32_t access_simple(const Simple *s_ptr) {
return s_ptr->field;
}
/* Test: test_access_nested */
typedef struct Nested {
int32_t value;
struct Nested *next;
} Nested;
// Returns the innermost/last value of a Nested pointer chain.
EXPORT int32_t access_nested(const Nested *n_ptr) {
// Edge case: `n_ptr == NULL` (i.e. first Nested is None).
if (!n_ptr) { return 0; }
while (n_ptr->next) {
n_ptr = n_ptr->next;
}
return n_ptr->value;
}
/* Test: test_access_static */
typedef struct Static {
int32_t value;
struct Static *recurse;
} Static;
EXPORT int32_t access_static(const Static *s_ptr) {
return s_ptr->recurse->recurse->value;
}
/* Test: unexposed_reachable_alloc */
EXPORT uintptr_t do_one_deref(const int32_t ***ptr) {
return (uintptr_t)*ptr;
}
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