#define UUID_CHARS (UUID_BYTES * 2)
#define UUID_LENGTH (UUID_CHARS + 4)
-char *getUUID(void)
+static unsigned int uuid_random_function(int max)
+{
+ return GetBetterRandom(max);
+}
+
+char *getUUIDExt(unsigned int (*random_function)(int max))
{
static char uuid[UUID_LENGTH + 1];
int data[UUID_BYTES];
int i;
for (i = 0; i < UUID_BYTES; i++)
- data[i] = GetSimpleRandom(256);
+ data[i] = random_function(256);
data[6] = 0x40 | (data[6] & 0x0f);
data[8] = 0x80 | (data[8] & 0x3f);
return uuid;
}
+char *getUUID(void)
+{
+ return getUUIDExt(uuid_random_function);
+}
+
// ----------------------------------------------------------------------------
// counter functions
sleep_milliseconds(delay);
}
-boolean DelayReachedExt(unsigned int *counter_var, unsigned int delay,
- unsigned int actual_counter)
+boolean DelayReachedExt2(unsigned int *counter_var, unsigned int delay,
+ unsigned int actual_counter)
{
if (actual_counter >= *counter_var &&
actual_counter < *counter_var + delay)
return TRUE;
}
-boolean FrameReached(unsigned int *frame_counter_var, unsigned int frame_delay)
+boolean DelayReachedExt(DelayCounter *counter, unsigned int actual_counter)
+{
+ return DelayReachedExt2(&counter->count, counter->value, actual_counter);
+}
+
+boolean FrameReached(DelayCounter *counter)
{
- return DelayReachedExt(frame_counter_var, frame_delay, FrameCounter);
+ return DelayReachedExt(counter, FrameCounter);
}
-boolean DelayReached(unsigned int *counter_var, unsigned int delay)
+boolean DelayReached(DelayCounter *counter)
{
- return DelayReachedExt(counter_var, delay, Counter());
+ return DelayReachedExt(counter, Counter());
}
-void ResetDelayCounterExt(unsigned int *counter_var,
- unsigned int actual_counter)
+void ResetDelayCounterExt(DelayCounter *counter, unsigned int actual_counter)
{
- DelayReachedExt(counter_var, 0, actual_counter);
+ DelayReachedExt2(&counter->count, 0, actual_counter);
}
-void ResetFrameCounter(unsigned int *frame_counter_var)
+void ResetFrameCounter(DelayCounter *counter)
{
- FrameReached(frame_counter_var, 0);
+ ResetDelayCounterExt(counter, FrameCounter);
}
-void ResetDelayCounter(unsigned int *counter_var)
+void ResetDelayCounter(DelayCounter *counter)
{
- DelayReached(counter_var, 0);
+ ResetDelayCounterExt(counter, Counter());
}
-int WaitUntilDelayReached(unsigned int *counter_var, unsigned int delay)
+int WaitUntilDelayReached(DelayCounter *counter)
{
+ unsigned int *counter_var = &counter->count;
+ unsigned int delay = counter->value;
unsigned int actual_counter;
int skip_frames = 0;
return skip_frames;
}
-void SkipUntilDelayReached(unsigned int *counter_var, unsigned int delay,
+void SkipUntilDelayReached(DelayCounter *counter,
int *loop_var, int last_loop_value)
{
- int skip_frames = WaitUntilDelayReached(counter_var, delay);
+ int skip_frames = WaitUntilDelayReached(counter);
#if 0
#if DEBUG
if (skip_frames)
Debug("internal:SkipUntilDelayReached",
"%d: %d ms -> SKIP %d FRAME(S) [%d ms]",
- *loop_var, delay,
- skip_frames, skip_frames * delay);
+ *loop_var, counter->value,
+ skip_frames, skip_frames * counter->value);
else
Debug("internal:SkipUntilDelayReached",
"%d: %d ms",
- *loop_var, delay);
+ *loop_var, counter->value);
#endif
#endif
// random generator functions
// ----------------------------------------------------------------------------
-unsigned int init_random_number(int nr, int seed)
+static unsigned int init_random_number_ext(int nr, int seed)
{
if (seed == NEW_RANDOMIZE)
{
// default random seed
seed = (int)time(NULL); // seconds since the epoch
-#if !defined(PLATFORM_WIN32)
+#if !defined(PLATFORM_WINDOWS)
// add some more randomness
struct timeval current_time;
return (unsigned int) seed;
}
+static unsigned int prng_seed_gettimeofday(void)
+{
+ struct timeval current_time;
+
+ gettimeofday(¤t_time, NULL);
+
+ prng_seed_bytes(¤t_time, sizeof(current_time));
+
+ return 0;
+}
+
+unsigned int init_random_number(int nr, int seed)
+{
+ return (nr == RANDOM_BETTER ? prng_seed_gettimeofday() :
+ init_random_number_ext(nr, seed));
+}
+
+static unsigned int get_random_number_ext(int nr)
+{
+ return (nr == RANDOM_BETTER ? prng_get_uint() :
+ random_linux_libc(nr));
+}
+
unsigned int get_random_number(int nr, int max)
{
- return (max > 0 ? random_linux_libc(nr) % max : 0);
+ return (max > 0 ? get_random_number_ext(nr) % max : 0);
}
{
static char *login_name = NULL;
-#if defined(PLATFORM_WIN32)
+#if defined(PLATFORM_WINDOWS)
if (login_name == NULL)
{
unsigned long buffer_size = MAX_USERNAME_LEN + 1;
{
static char *real_name = NULL;
-#if defined(PLATFORM_WIN32)
+#if defined(PLATFORM_WINDOWS)
if (real_name == NULL)
{
static char buffer[MAX_USERNAME_LEN + 1];
return match;
}
+boolean isURL(char *s)
+{
+ while (*s && *s >= 'a' && *s <= 'z')
+ s++;
+
+ return strPrefix(s, "://");
+}
+
// ----------------------------------------------------------------------------
// command line option handling functions
options.identifier = NULL;
options.level_nr = NULL;
+ options.display_nr = 0;
+
options.mytapes = FALSE;
options.serveronly = FALSE;
options.network = FALSE;
if (option_arg == next_option)
options_left++;
}
-#if defined(PLATFORM_MACOSX)
+ else if (strncmp(option, "-display", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ FailWithHelp("option '%s' requires an argument", option_str);
+
+ if (option_arg == next_option)
+ options_left++;
+
+ int display_nr = atoi(option_arg);
+
+#if 1
+ // dirty hack: SDL_GetNumVideoDisplays() seems broken on some systems
+ options.display_nr = display_nr;
+#else
+ options.display_nr =
+ MAX(0, MIN(display_nr, SDL_GetNumVideoDisplays() - 1));
+
+ if (display_nr != options.display_nr)
+ Warn("invalid display %d -- using display %d",
+ display_nr, options.display_nr);
+#endif
+ }
+#if defined(PLATFORM_MAC)
else if (strPrefix(option, "-psn"))
{
// ignore process serial number when launched via GUI on Mac OS X
void clear_mem(void *ptr, unsigned int size)
{
-#if defined(PLATFORM_WIN32)
+#if defined(PLATFORM_WINDOWS)
// for unknown reason, memset() sometimes crashes when compiled with MinGW
char *cptr = (char *)ptr;
return latin1;
}
+int getTextEncoding(char *text)
+{
+ unsigned char *src = (unsigned char *)text;
+ int encoding = TEXT_ENCODING_ASCII; // default: assume encoding is ASCII
+
+ while (*src)
+ {
+ if (*src >= 128)
+ encoding = TEXT_ENCODING_UTF_8; // non-ASCII character: assume UTF-8
+
+ if (*src < 128)
+ {
+ src++;
+ }
+ else if (src[0] >= 192 && src[0] < 224 &&
+ src[1] >= 128 && src[1] < 192)
+ {
+ src += 2;
+ }
+ else if (src[0] >= 224 && src[0] < 240 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192)
+ {
+ src += 3;
+ }
+ else if (src[0] >= 240 && src[0] < 248 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192 &&
+ src[3] >= 128 && src[3] < 192)
+ {
+ src += 4;
+ }
+ else if (src[0] >= 248 && src[0] < 252 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192 &&
+ src[3] >= 128 && src[3] < 192 &&
+ src[4] >= 128 && src[4] < 192)
+ {
+ src += 5;
+ }
+ else if (src[0] >= 252 && src[0] < 254 &&
+ src[1] >= 128 && src[1] < 192 &&
+ src[2] >= 128 && src[2] < 192 &&
+ src[3] >= 128 && src[3] < 192 &&
+ src[4] >= 128 && src[4] < 192 &&
+ src[5] >= 128 && src[5] < 192)
+ {
+ src += 6;
+ }
+ else
+ {
+ return TEXT_ENCODING_UNKNOWN; // non-UTF-8 character: unknown encoding
+ }
+ }
+
+ return encoding;
+}
+
// ----------------------------------------------------------------------------
// functions for JSON handling
int get_integer_from_string(char *s)
{
- static char *number_text[][3] =
- {
- { "0", "zero", "null", },
- { "1", "one", "first" },
- { "2", "two", "second" },
- { "3", "three", "third" },
- { "4", "four", "fourth" },
- { "5", "five", "fifth" },
- { "6", "six", "sixth" },
- { "7", "seven", "seventh" },
- { "8", "eight", "eighth" },
- { "9", "nine", "ninth" },
- { "10", "ten", "tenth" },
- { "11", "eleven", "eleventh" },
- { "12", "twelve", "twelfth" },
-
- { NULL, NULL, NULL },
- };
+ // check for the most common case first
+ if (s[0] >= '0' && s[0] <= '9')
+ return atoi(s);
- int i, j;
char *s_lower = getStringToLower(s);
int result = -1;
- for (i = 0; number_text[i][0] != NULL; i++)
- for (j = 0; j < 3; j++)
- if (strEqual(s_lower, number_text[i][j]))
- result = i;
-
- if (result == -1)
- {
- if (strEqual(s_lower, "false") ||
- strEqual(s_lower, "no") ||
- strEqual(s_lower, "off"))
- result = 0;
- else if (strEqual(s_lower, "true") ||
- strEqual(s_lower, "yes") ||
- strEqual(s_lower, "on"))
- result = 1;
- else
- result = atoi(s);
- }
+ if (strEqual(s_lower, "false") ||
+ strEqual(s_lower, "no") ||
+ strEqual(s_lower, "off"))
+ result = 0;
+ else if (strEqual(s_lower, "true") ||
+ strEqual(s_lower, "yes") ||
+ strEqual(s_lower, "on"))
+ result = 1;
+ else
+ result = atoi(s);
free(s_lower);
void NotifyUserAboutErrorFile(void)
{
-#if defined(PLATFORM_WIN32)
+#if defined(PLATFORM_WINDOWS)
char *title_text = getStringCat2(program.program_title, " Error Message");
char *error_text = getStringCat2("The program was aborted due to an error; "
"for details, see the following error file:"