ccore/src/HashMap.c

#include "core/HashMap.h"

size_t hashString(const char* key) {
    size_t h = 0;
    while(*key != '\0') {
        h = 2'120'251'889lu * h + (size_t)(*(key++));
    }
    return h;
}

size_t roundUp2(size_t n) {
    n -= n != 0;
    n |= n >> 1;
    n |= n >> 2;
    n |= n >> 4;
    n |= n >> 8;
    if(sizeof(n) >= 4) {
        n |= n >> 16;
    }
    if(sizeof(n) >= 8) {
        n |= n >> 32;
    }
    return n + 1;
}