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fix size check on overflow when padding is enabled in debug mode

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This commit is contained in:
daan 2020-02-17 09:59:34 -08:00
parent f2ac272baa
commit baf08e8d54
3 changed files with 37 additions and 20 deletions
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42
test/test-api.c
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@ -31,7 +31,7 @@ we therefore test the API over various inputs. Please add more tests :-)
#endif
#include "mimalloc.h"
#include "mimalloc-internal.h"
// #include "mimalloc-internal.h"
// ---------------------------------------------------------------------------
// Test macros: CHECK(name,predicate) and CHECK_BODY(name,body)
@ -98,38 +98,34 @@ int main() {
// ---------------------------------------------------
// Extended
// ---------------------------------------------------
#if defined(MI_MALLOC_OVERRIDE) && !defined(_WIN32)
// ---------------------------------------------------
CHECK_BODY("posix_memalign1", {
void* p = &p;
int err = posix_memalign(&p, sizeof(void*), 32);
mi_assert((err==0 && (uintptr_t)p % sizeof(void*) == 0) || p==&p);
int err = mi_posix_memalign(&p, sizeof(void*), 32);
result = ((err==0 && (uintptr_t)p % sizeof(void*) == 0) || p==&p);
mi_free(p);
result = (err==0);
});
CHECK_BODY("posix_memalign_no_align", {
void* p = &p;
int err = posix_memalign(&p, 3, 32);
mi_assert(p==&p);
result = (err==EINVAL);
int err = mi_posix_memalign(&p, 3, 32);
result = (err==EINVAL && p==&p);
});
CHECK_BODY("posix_memalign_zero", {
void* p = &p;
int err = posix_memalign(&p, sizeof(void*), 0);
int err = mi_posix_memalign(&p, sizeof(void*), 0);
mi_free(p);
result = (err==0);
});
CHECK_BODY("posix_memalign_nopow2", {
void* p = &p;
int err = posix_memalign(&p, 3*sizeof(void*), 32);
int err = mi_posix_memalign(&p, 3*sizeof(void*), 32);
result = (err==EINVAL && p==&p);
});
CHECK_BODY("posix_memalign_nomem", {
void* p = &p;
int err = posix_memalign(&p, sizeof(void*), SIZE_MAX);
int err = mi_posix_memalign(&p, sizeof(void*), SIZE_MAX);
result = (err==ENOMEM && p==&p);
});
#endif
// ---------------------------------------------------
// Aligned API
@ -147,12 +143,30 @@ int main() {
mi_free(p1);
result = (result1&&result2);
});
CHECK_BODY("malloc-aligned4", {
void* p;
bool ok = true;
for (int i = 0; i < 8 && ok; i++) {
p = mi_malloc_aligned(8, 16);
ok = (p != NULL && (uintptr_t)(p) % 16 == 0); mi_free(p);
}
result = ok;
});
CHECK_BODY("malloc-aligned-at1", {
void* p = mi_malloc_aligned_at(48,32,0); result = (p != NULL && ((uintptr_t)(p) + 0) % 32 == 0); mi_free(p);
});
CHECK_BODY("malloc-aligned-at2", {
void* p = mi_malloc_aligned_at(50,32,8); result = (p != NULL && ((uintptr_t)(p) + 8) % 32 == 0); mi_free(p);
});
});
CHECK_BODY("memalign1", {
void* p;
bool ok = true;
for (int i = 0; i < 8 && ok; i++) {
p = mi_memalign(16,8);
ok = (p != NULL && (uintptr_t)(p) % 16 == 0); mi_free(p);
}
result = ok;
});
// ---------------------------------------------------
// Heaps