xtime: Remove xgettime()

clock_gettime() is available everywhere by now.

src/ctx.c

@@ -71,7 +71,7 @@ struct bfs_ctx *bfs_ctx_new(void) {
 		goto fail;
 	}
 
-	if (xgettime(&ctx->now) != 0) {
+	if (clock_gettime(CLOCK_REALTIME, &ctx->now) != 0) {
 		goto fail;
 	}
 

src/eval.c

@@ -1014,25 +1014,20 @@ bool eval_xtype(const struct bfs_expr *expr, struct bfs_eval *state) {
 	}
 }
 
-#if _POSIX_MONOTONIC_CLOCK > 0
-#  define BFS_CLOCK CLOCK_MONOTONIC
-#elif _POSIX_TIMERS > 0
-#  define BFS_CLOCK CLOCK_REALTIME
-#endif
-
 /**
- * Call clock_gettime(), if available.
+ * clock_gettime() wrapper.
  */
 static int eval_gettime(struct bfs_eval *state, struct timespec *ts) {
-#ifdef BFS_CLOCK
-	int ret = clock_gettime(BFS_CLOCK, ts);
+#if _POSIX_MONOTONIC_CLOCK > 0
+	int ret = clock_gettime(CLOCK_MONOTONIC, ts);
+#else
+	int ret = clock_gettime(CLOCK_REALTIME, ts);
+#endif
+
 	if (ret != 0) {
 		bfs_warning(state->ctx, "%pP: clock_gettime(): %s.\n", state->ftwbuf, errstr());
 	}
 	return ret;
-#else
-	return -1;
-#endif
 }
 
 /**

src/xtime.c

@@ -350,17 +350,3 @@ int xgetdate(const char *str, struct timespec *result) {
 error:
 	return -1;
 }
-
-int xgettime(struct timespec *result) {
-#if _POSIX_TIMERS > 0
-	return clock_gettime(CLOCK_REALTIME, result);
-#else
-	struct timeval tv;
-	int ret = gettimeofday(&tv, NULL);
-	if (ret == 0) {
-		result->tv_sec = tv.tv_sec;
-		result->tv_nsec = tv.tv_usec * 1000L;
-	}
-	return ret;
-#endif
-}

src/xtime.h

@@ -46,14 +46,4 @@ int xtimegm(struct tm *tm, time_t *timep);
  */
 int xgetdate(const char *str, struct timespec *result);
 
-/**
- * Get the current time.
- *
- * @param[out] result
- *         A pointer to the result.
- * @return
- *         0 on success, -1 on failure.
- */
-int xgettime(struct timespec *result);
-
 #endif // BFS_XTIME_H

tests/xtouch.c

@@ -247,8 +247,8 @@ int main(int argc, char *argv[]) {
 		times[1] = times[0];
 	} else {
 		// Don't use UTIME_NOW, so that multiple paths all get the same timestamp
-		if (xgettime(&times[0]) != 0) {
-			perror("xgettime()");
+		if (clock_gettime(CLOCK_REALTIME, &times[0]) != 0) {
+			perror("clock_gettime()");
 			return EXIT_FAILURE;
 		}
 		times[1] = times[0];