X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=para.h;h=6a90e55bbc17a3256f4d17fef506150e4f300d8d;hp=7b0ca09c6c0b5f84c7ddab93eb92912e83245a44;hb=9ae0041ae0dd073657862c4abdf3886a66035ee9;hpb=471684761a2039bbc89aa1e3c33c62de6bef86cf

diff --git a/para.h b/para.h
index 7b0ca09c..6a90e55b 100644
--- a/para.h
+++ b/para.h
@@ -24,6 +24,7 @@
 #include <sys/socket.h>
 #include <sys/un.h> /* needed by create_pf_socket */
 #include <string.h>
+#include <assert.h>
 #include "gcc-compat.h"
 
 /** used in various contexts */
@@ -51,9 +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
@@ -95,6 +97,7 @@
 #else
 #define PARA_EMERG_LOG(...)
 #endif
+/** \endcond */
 
 /**
  * define a standard log function that always writes to stderr
@@ -139,10 +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);
 
@@ -159,29 +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; \
@@ -204,3 +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))