From d20b524267f4c0594e0246643853db8cba68fa10 Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Sun, 6 Jul 2008 19:27:31 +0200
Subject: [PATCH] Teach the touch command about amplification.

---
 afs.cmd |  4 +++-
 aft.c   | 22 ++++++++++++++++++----
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/afs.cmd b/afs.cmd
index 3f44873e..8d8ee123 100644
--- a/afs.cmd
+++ b/afs.cmd
@@ -180,7 +180,7 @@ H: 	a slash (see fnmatch(3)).
 N: touch
 P: AFS_READ | AFS_WRITE
 D: Manipulate the afs data for all audio files matching a pattern.
-U: touch [-n numplayed] [-l lastplayed] [-y lyrics_id] [-i image_id] [-v] [-p] pattern
+U: touch [-n numplayed] [-l lastplayed] [-y lyrics_id] [-i image_id] [-a amp] [-v] [-p] pattern
 H: If no option is given, lastplayed is set to the current time
 H: and numplayed is increased by one. Otherwise, only the given
 H: options are taken into account.
@@ -202,6 +202,8 @@ H: 	this audio file.
 H:
 H: -i	Set the image id. Same as -y, but sets the image.
 H:
+H: -a	Set the amplification value (0-255).
+H:
 H: -v	Verbose mode. Explain what is being done.
 H:
 H: -p	Pathname match. Match a slash in the path only with a slash
diff --git a/aft.c b/aft.c
index 49cdf050..a8fe0810 100644
--- a/aft.c
+++ b/aft.c
@@ -1920,11 +1920,13 @@ struct com_touch_options {
 	int32_t num_played;
 	/** New last played count. */
 	int64_t last_played;
-	/** new lyrics id. */
+	/** New lyrics id. */
 	int32_t lyrics_id;
-	/** new image id. */
+	/** New image id. */
 	int32_t image_id;
-	/** command line flags (see \ref touch_flags). */
+	/** New amplification value. */
+	uint8_t amp;
+	/** Command line flags (see \ref touch_flags). */
 	unsigned flags;
 };
 
@@ -1979,6 +1981,7 @@ static int touch_audio_file(__a_unused struct osl_table *table,
 			new_afsi.num_played = tad->cto->num_played;
 		if (tad->cto->last_played >= 0)
 			new_afsi.last_played = tad->cto->last_played;
+		new_afsi.amp = tad->cto->amp;
 	}
 	tad->num_matches++;
 	save_afsi(&new_afsi, &obj); /* in-place update */
@@ -2026,7 +2029,8 @@ int com_touch(int fd, int argc, char * const * const argv)
 		.num_played = -1,
 		.last_played = -1,
 		.lyrics_id = -1,
-		.image_id = -1
+		.image_id = -1,
+		.amp = 0,
 	};
 	struct osl_object query = {.data = &cto, .size = sizeof(cto)};
 	int i, ret;
@@ -2064,6 +2068,16 @@ int com_touch(int fd, int argc, char * const * const argv)
 				return ret;
 			continue;
 		}
+		if (!strncmp(arg, "-a", 2)) {
+			int32_t val;
+			ret = para_atoi32(arg + 2, &val);
+			if (ret < 0)
+				return ret;
+			if (val < 0 || val > 255)
+				return -ERRNO_TO_PARA_ERROR(EINVAL);
+			cto.amp = val;
+			continue;
+		}
 		if (!strcmp(arg, "-p")) {
 			cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
 			continue;
-- 
2.39.5