X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=para.h;h=403ca7d43e91882df6bce3e8e00de71408bfbb5f;hp=a4753d4b5f5afa4eedc9a982f15f33c2f175626d;hb=b762f3e3f72e1f5350f7d2671e33d9741e9a04e5;hpb=b42f370628f56fdf0d7b9261567eb2033c9ae18a diff --git a/para.h b/para.h index a4753d4b..403ca7d4 100644 --- a/para.h +++ b/para.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1997-2007 Andre Noll + * Copyright (C) 1997-2008 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -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 @@ -116,7 +118,7 @@ } /** version text used by various commands if -V switch was given */ -#define VERSION_TEXT(prefix) "para_" prefix " " PACKAGE_VERSION "\n" \ +#define VERSION_TEXT(prefix) "para_" prefix " " PACKAGE_VERSION " (" CODENAME ")" "\n" \ "Copyright (C) 2007 Andre Noll\n" \ "This is free software with ABSOLUTELY NO WARRANTY." \ " See COPYING for details.\n" \ @@ -140,10 +142,6 @@ /** sent by para_client, followed by the decrypted challenge number */ #define CHALLENGE_RESPONSE_MSG "challenge_response:" -/* gui_common */ -int para_open_audiod_pipe(char *); -int read_audiod_pipe(int, void (*)(char *)); - /* exec */ int para_exec_cmdline_pid(pid_t *pid, const char *cmdline, int *fds); @@ -160,29 +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); -size_t for_each_line(char *buf, size_t n, void (*line_handler)(char *)); -#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; \ @@ -205,3 +199,36 @@ __printf_2_3 void para_log(int, const char*, ...); p = para_realloc(p, size); \ } \ } + +/** + * 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) * (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])) + +/** + * Wrapper for isspace. + * NetBSD needs this. + */ +/* + * The values should be cast to an unsigned char first, then to int. + * Why? Because the isdigit (as do all other is/to functions/macros) + * expect a number from 0 upto and including 255 as their (int) argument. + * Because char is signed on most systems, casting it to int immediately + * gives the functions an argument between -128 and 127 (inclusive), + * which they will use as an array index, and which will thus fail + * horribly for characters which have their most significant bit set. + */ +#define para_isspace(c) isspace((int)(unsigned char)(c))