Function sz_string_init_length

include/stringzilla/small_string.h:318–339

}

SZ_PUBLIC sz_ptr_t sz_string_init_length(sz_string_t *string, sz_size_t length, sz_memory_allocator_t *allocator) {
    sz_size_t space_needed = length + 1; // space for trailing \0
    sz_assert_(string && allocator && "String and allocator can't be SZ_NULL.");
    // Initialize the string to zeros for safety.
    string->words[1] = 0;
    string->words[2] = 0;
    string->words[3] = 0;
    // If we are lucky, no memory allocations will be needed.
    if (space_needed <= SZ_STRING_INTERNAL_SPACE) {
        string->internal.start = &string->internal.chars[0];
        string->internal.length = (sz_u8_t)length;
    }
    else {
        // If we are not lucky, we need to allocate memory.
        string->external.start = (sz_ptr_t)allocator->allocate(space_needed, allocator->handle);
        if (!string->external.start) return SZ_NULL_CHAR;
        string->external.length = length;
        string->external.space = space_needed;
    }
    string->external.start[length] = 0;
    return string->external.start;
}

SZ_PUBLIC sz_ptr_t sz_string_reserve(sz_string_t *string, sz_size_t new_capacity, sz_memory_allocator_t *allocator) {