From: Antonio Ospite <ospite@studenti.unina.it>
Date: Tue, 17 Dec 2013 22:55:21 +0000 (+0100)
Subject: Add a fps_meter_ prefix to macros
X-Git-Url: https://git.ao2.it/experiments/fps-meter.git/commitdiff_plain/refs/heads/master

Add a fps_meter_ prefix to macros

This plays more nicely when including files where other functions with the same names are defined.
---

diff --git a/fps-meter.c b/fps-meter.c
index c1a245f..2d9ea6b 100644
--- a/fps-meter.c
+++ b/fps-meter.c
@@ -27,7 +27,7 @@ int main(void)
 	fps_meter_init(&stats);
 	while (1) {
 		/* simulate some workload of about 60fps */
-		dbg("Doing some work, which takes about %d ns", NSEC_PER_SEC / 60);
+		fps_meter_dbg("Doing some work, which takes about %d ns", NSEC_PER_SEC / 60);
 		tmp.tv_sec = 0;
 		tmp.tv_nsec = NSEC_PER_SEC / 60;
 		clock_nanosleep(CLOCK_MONOTONIC, 0, &tmp, NULL);
diff --git a/fps-meter.h b/fps-meter.h
index c756ab6..4b72180 100644
--- a/fps-meter.h
+++ b/fps-meter.h
@@ -25,19 +25,19 @@
 #include <time.h>
 
 #ifdef DEBUG
-#define dbg(...)                     \
+#define fps_meter_dbg(...)                     \
 	do {                         \
 		printf(__VA_ARGS__); \
 		printf("\n");        \
 		fflush(stdout);      \
 	} while(0)
 #else
-#define dbg(...) do {} while(0)
+#define fps_meter_dbg(...) do {} while(0)
 #endif
 
 #define NSEC_PER_SEC 1000000000
 
-#define timespecsub(a, b, result)                                \
+#define fps_meter_timespecsub(a, b, result)                                \
 	do {                                                     \
 		(result)->tv_sec = (a)->tv_sec - (b)->tv_sec;    \
 		(result)->tv_nsec = (a)->tv_nsec - (b)->tv_nsec; \
@@ -60,20 +60,20 @@ static void fps_meter_init(struct fps_meter_stats *stats)
 	memset(stats, 0, sizeof(*stats));
 
 	clock_gettime(CLOCK_MONOTONIC, &stats->time_start);
-	dbg("Init time: s: %ld, ns: %ld", stats->time_start.tv_sec, stats->time_start.tv_nsec);
+	fps_meter_dbg("Init time: s: %ld, ns: %ld", stats->time_start.tv_sec, stats->time_start.tv_nsec);
 }
 
 static void fps_meter_update(struct fps_meter_stats *stats)
 {
 	struct timespec elapsed;
 
-	dbg("Start time: s: %ld, ns: %ld", stats->time_start.tv_sec, stats->time_start.tv_nsec);
+	fps_meter_dbg("Start time: s: %ld, ns: %ld", stats->time_start.tv_sec, stats->time_start.tv_nsec);
 
 	clock_gettime(CLOCK_MONOTONIC, &stats->time_end);
-	dbg("End time: s: %ld, ns: %ld", stats->time_end.tv_sec, stats->time_end.tv_nsec);
+	fps_meter_dbg("End time: s: %ld, ns: %ld", stats->time_end.tv_sec, stats->time_end.tv_nsec);
 
-	timespecsub(&stats->time_end, &stats->time_start, &elapsed);
-	dbg("Elapsed s: %ld ns: %ld", elapsed.tv_sec, elapsed.tv_nsec);
+	fps_meter_timespecsub(&stats->time_end, &stats->time_start, &elapsed);
+	fps_meter_dbg("Elapsed s: %ld ns: %ld", elapsed.tv_sec, elapsed.tv_nsec);
 
 	stats->frames++;
 	stats->nsecs += (elapsed.tv_sec * NSEC_PER_SEC + elapsed.tv_nsec);