Function parseInt

src/fl/stl/charconv.cpp.hpp:253–285

}

int parseInt(const char *str, fl::size len) {
    int result = 0;
    int sign = 1;
    fl::size pos = 0;

    // Handle empty input
    if (len == 0) {
        return 0;
    }

    // Skip leading whitespace
    while (pos < len &&
           (str[pos] == ' ' || str[pos] == '\t' || str[pos] == '\n' ||
            str[pos] == '\r' || str[pos] == '\f' || str[pos] == '\v')) {
        pos++;
    }

    // Handle optional sign
    if (pos < len && str[pos] == '-') {
        sign = -1;
        pos++;
    } else if (pos < len && str[pos] == '+') {
        pos++;
    }

    // Parse digits
    while (pos < len && str[pos] >= '0' && str[pos] <= '9') {
        result = result * 10 + (str[pos] - '0');
        pos++;
    }

    return sign * result;
}

int parseInt(const char *str) {
    // Calculate length manually to avoid strlen dependency