Function FileSystem_open

Tools/ToolsBootstrap.c:595–612

FileSystem functions

    // For StringBuilder, join is not typical, but perhaps split by sep and join
    // Actually, looking at usage, it might not be needed, but implement as simple copy
    char* result = (char*)malloc(sb->length + 1);
    if (result) {
        memcpy(result, sb->buffer, sb->length + 1);
    }
    return result;
}

char* String_duplicate(const char* str) {
    if (!str) return NULL;
    char* result = (char*)malloc(strlen(str) + 1);
    if (result) strcpy(result, str);
    return result;
}

char* String_concat3(const char* a, const char* b, const char* c) {
    size_t lenA = strlen(a);
    size_t lenB = strlen(b);
    size_t lenC = strlen(c);
    char* result = (char*)malloc(lenA + lenB + lenC + 1);
    if (!result) return NULL;
    memcpy(result, a, lenA);