From cb98143f340b80e3860fc259671c566ba7518401 Mon Sep 17 00:00:00 2001
From: nishi <nishi@7b47e76f-e598-2f43-bc14-414d160cc389>
Date: Tue, 14 May 2024 03:53:26 +0000
Subject: [PATCH] add ksynth_get_revision

git-svn-id: file:///raid/svn-main/kazu-ksynth/trunk@41 7b47e76f-e598-2f43-bc14-414d160cc389
---
 src/ksynth.c | 17 +++++++++++++++--
 src/ksynth.h | 17 +++++++++++++++++
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/ksynth.c b/src/ksynth.c
index 733e907..585cc9a 100644
--- a/src/ksynth.c
+++ b/src/ksynth.c
@@ -132,8 +132,22 @@ struct Sample** int_allocate_samples(const char* path, unsigned char keys, struc
 	return NULL;
 }
 
-int ksynth_get_revision(void){
+int ksynth_get_revision(void) {
 	const char* rev = "$Rev$";
+	int n = 0;
+	bool found = false;
+
+	for(int i = 0; rev[i] != 0; i++) {
+		if(rev[i] >= '0' && rev[i] <= '9') {
+			found = true;
+			n *= 10;
+			n += rev[i] - '0';
+		} else if(found) {
+			/* non-number char after number */
+			break;
+		}
+	}
+	if(!found) return -1;
 	return n;
 }
 
@@ -244,7 +258,6 @@ void ksynth_note_off(struct KSynth* ksynth_instance, unsigned char channel, unsi
 	}
 }
 
-
 void ksynth_note_off_all(struct KSynth* ksynth_instance) {
 	if(ksynth_instance != NULL) {
 		for(unsigned long i = 0; i < ksynth_instance->max_polyphony; ++i) {
diff --git a/src/ksynth.h b/src/ksynth.h
index 8534920..8de4a61 100644
--- a/src/ksynth.h
+++ b/src/ksynth.h
@@ -40,6 +40,23 @@ struct KSynth {
 	struct Voice** voices;
 };
 
+/**
+ * @~english
+ * @brief Returns the revision of the KSynth.
+ *
+ * This function returns the revision of the KSynth.
+ *
+ * @return Revision of the KSynth, returns -1 on fail.
+ *
+ * @~japanese
+ * @brief KSynthのリビジョンを返します。
+ *
+ * この関数はKSynthのリビジョンを返します。
+ *
+ * @return KSynthのリビジョン、失敗時には-1
+ */
+int ksynth_get_revision(void);
+
 /**
  * @~english
  * @brief Creates a new KSynth instance.
-- 
2.43.0