lordoftrident / cnake Goto Github PK

// src/game.c:32
static char *get_exec_folder_path(void) {
	char *buf = (char*)malloc(PATH_MAX);
	if (buf == NULL)
		UNREACHABLE("malloc() fail");
#if defined(PLATFORM_LINUX)
	ssize_t len = readlink("/proc/self/exe", buf, PATH_MAX);
	if (len != -1)
		buf[len] = '\0';
	else
		strcpy(buf, argv[0]);
#elif defined(PLATFORM_APPLE)
	uint32_t size = PATH_MAX;
	if (_NSGetExecutablePath(buffer, &size) != 0)
                //               ^-----  should be `buf`
		strcpy(buf, argv[0]);
#elif defined(PLATFORM_WINDOWS)
	GetModuleFileName(NULL, buf, PATH_MAX);
#elif defined(PLATFORM_UNIX) || defined(PLATFORM_UNKNOWN)
	strcpy(buf, argv[0]);
#endif
        //   v----- type for `i` is different for every platform. Just use what is needed
	for (size_t i = len - 1; i > 0; -- i) {
                //      ^--- is defined for linux, but not mac or windows
		if (buf[i] == '/' || buf[i] == '\\') {
			buf[i] = '\0';
			break;
		}
	}

	return buf;
}

// src/snake.h:34
static_assert(SNAKE_TONGUE_MAX_DELAY > SNAKE_TONGUE_MIN_DELAY, "");

// src/game.c:32
static char *get_exec_folder_path(void) {
	char *buf = (char*)malloc(PATH_MAX);
	if (buf == NULL)
		UNREACHABLE("malloc() fail");

#if defined(PLATFORM_LINUX)
	ssize_t len = readlink("/proc/self/exe", buf, PATH_MAX);
	if (len != -1)
		buf[len] = '\0';
	else
		strcpy(buf, argv[0]);
#elif defined(PLATFORM_APPLE)
	uint32_t len = PATH_MAX;
	if (_NSGetExecutablePath(buf, &len) != 0)
		strcpy(buf, argv[0]);
#elif defined(PLATFORM_WINDOWS)
	GetModuleFileName(NULL, buf, PATH_MAX);
#else
    strcpy(buf, argv[0]);
#endif

    // Use the same type that was used store `len` for iterating
#if defined(PLATFORM_LINUX)
    ssize_t i = len - 1;
#elif defined(PLATFORM_APPLE)
    uint32_t i = len - 1;
#elif defined(PLATFORM_WINDOWS)
    // Docs says 'The size of the lpFilename buffer, in TCHARs'.
    // I have no idea what that means so I used size_t here.
    size_t i = len - 1;
#else

#endif
    for (; i > 0; -- i) {
		if (buf[i] == '/' || buf[i] == '\\') {
			buf[i] = '\0';
			break;
		}
	}

	return buf;
}