X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=para.h;h=9ee318e54e4cb1dae4798f41d60c9187dde517b2;hp=eb99ec68e6f2609da70f8d75d3dc038c1c4ea59e;hb=c9381f1e1f60439f0edd8d67100cc13ad8f4c0bf;hpb=cb6d1dfb9e4067229a4bbde0abd05784d97ef14b diff --git a/para.h b/para.h index eb99ec68..9ee318e5 100644 --- a/para.h +++ b/para.h @@ -52,9 +52,10 @@ /** last message before exit */ #define EMERG 7 -/** log messages with lower proirity than that will not be compiled in*/ +/** Log messages with lower priority than that will not be compiled in. */ #define COMPILE_TIME_LOGLEVEL 0 +/** \cond */ #if DEBUG > COMPILE_TIME_LOGLEVEL #define PARA_DEBUG_LOG(f,...) para_log(DEBUG, "%s: " f, __FUNCTION__, ## __VA_ARGS__) #else @@ -96,6 +97,7 @@ #else #define PARA_EMERG_LOG(...) #endif +/** \endcond */ /** * define a standard log function that always writes to stderr @@ -156,28 +158,25 @@ int tv_convex_combination(const long a, const struct timeval *tv1, struct timeval *result); void ms2tv(const long unsigned n, struct timeval *tv); -/* stat */ -enum { - SI_STATUS_BAR, SI_STATUS, SI_NUM_PLAYED, - SI_MTIME, SI_LENGTH_MIN, SI_LENGTH_SEC, - SI_FILE_SIZE, SI_STATUS_FLAGS, SI_FORMAT, - SI_SCORE, SI_AUDIO_INFO1, SI_AUDIO_INFO2, - SI_AUDIO_INFO3, SI_DBINFO1, SI_DBINFO2, - SI_DBINFO3, SI_DECODER_FLAGS, SI_AUDIOD_STATUS, - SI_PLAY_TIME, SI_UPTIME, SI_OFFSET, - SI_LENGTH, SI_STREAM_START, SI_CURRENT_TIME, - SI_AUDIOD_UPTIME, SI_SELECTOR, NUM_STAT_ITEMS -}; - +/** The enum of all status items. */ +enum status_items {STATUS_ITEM_ENUM NUM_STAT_ITEMS}; +extern const char *status_item_list[]; +/** Loop over each status item. */ +#define FOR_EACH_STATUS_ITEM(i) for (i = 0; i < NUM_STAT_ITEMS; i++) int stat_item_valid(const char *item); int stat_line_valid(const char *); void stat_client_write(const char *msg, int itemnum); int stat_client_add(int fd, long unsigned mask); -#define FOR_EACH_STAT_ITEM(i) for (i = 0; i < NUM_STAT_ITEMS; i++) __printf_2_3 void para_log(int, const char*, ...); -/* taken from printf man page */ +/** + * Write a log message to a dynamically allocated string. + * + * \param fmt Usual format string. + * \param p Result pointer. + * + * \sa printf(3). */ #define PARA_VSPRINTF(fmt, p) \ { \ int n; \ @@ -201,8 +200,20 @@ __printf_2_3 void para_log(int, const char*, ...); } \ } -static inline int para_random(unsigned max) +/** + * Return a random non-negative integer in an interval. + * + * \param max Determines maximal possible return value. + * + * \return An integer between zero and \p max - 1, inclusively. + */ +static inline long int para_random(unsigned max) { - return ((max + 0.0) * (rand() / (RAND_MAX + 1.0))); + return ((max + 0.0) * (random() / (RAND_MAX + 1.0))); } +/** Round up x to a multiple of y */ +#define ROUND_UP(x, y) (((x) + (y - 1) / (y)) * (y)) + +/** Get the size of an array */ +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))