Function DefaultAlloc

src/fl/stl/allocator.cpp.hpp:40–52

On esp32, attempt to always allocate in psram first.

#ifdef FL_IS_ESP32
// On esp32, attempt to always allocate in psram first.
void *DefaultAlloc(fl::size size) {
#ifdef FL_VECTOR_PSRAM_ALWAYS_SRAM
    // FL_VECTOR_PSRAM_ALWAYS_SRAM: skip PSRAM, use default (SRAM) only.
    void *out = heap_caps_malloc(size, MALLOC_CAP_DEFAULT);
#else
    void *out = heap_caps_malloc(size, MALLOC_CAP_SPIRAM);
    if (out == nullptr) {
        // Fallback to default allocator.
        out = heap_caps_malloc(size, MALLOC_CAP_DEFAULT);
    }
#endif
    return out;
}
void DefaultFree(void *ptr) { heap_caps_free(ptr); }
#else
void *DefaultAlloc(fl::size size) { return malloc(size); }