From 4e645d3ab895a702281ca17fc62769a3639dbe6d Mon Sep 17 00:00:00 2001
From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Thu, 17 May 2001 21:42:41 +0000
Subject: [PATCH] Added DelCodeEntries

git-svn-id: svn://svn.cc65.org/cc65/trunk@730 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
 src/cc65/codeseg.c | 17 ++++++++++++++++-
 src/cc65/codeseg.h |  7 ++++++-
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/cc65/codeseg.c b/src/cc65/codeseg.c
index 8cf8bb070..ed2819de9 100644
--- a/src/cc65/codeseg.c
+++ b/src/cc65/codeseg.c
@@ -181,7 +181,7 @@ static const char* ReadToken (const char* L, const char* Term,
     /* Return the updated line pointer */
     return L;
 }
-	
+
 
 
 static CodeEntry* ParseInsn (CodeSeg* S, const char* L)
@@ -527,6 +527,21 @@ void DelCodeEntry (CodeSeg* S, unsigned Index)
 
 
 
+void DelCodeEntries (CodeSeg* S, unsigned Start, unsigned Count)
+/* Delete a range of code entries. This includes removing references to labels,
+ * labels attached to the entries and so on.
+ */
+{
+    /* Start deleting the entries from the rear, because this involves less
+     * memory moving.
+     */
+    while (Count--) {
+	DelCodeEntry (S, Start + Count);
+    }
+}
+
+
+
 struct CodeEntry* GetNextCodeEntry (CodeSeg* S, unsigned Index)
 /* Get the code entry following the one with the index Index. If there is no
  * following code entry, return NULL.
diff --git a/src/cc65/codeseg.h b/src/cc65/codeseg.h
index dd9105c3a..1dc632638 100644
--- a/src/cc65/codeseg.h
+++ b/src/cc65/codeseg.h
@@ -107,6 +107,11 @@ void DelCodeEntry (CodeSeg* S, unsigned Index);
  * if the reference count drops to zero.
  */
 
+void DelCodeEntries (CodeSeg* S, unsigned Start, unsigned Count);
+/* Delete a range of code entries. This includes removing references to labels,
+ * labels attached to the entries and so on.
+ */
+
 #if defined(HAVE_INLINE)
 INLINE struct CodeEntry* GetCodeEntry (CodeSeg* S, unsigned Index)
 /* Get an entry from the given code segment */
@@ -123,7 +128,7 @@ struct CodeEntry* GetNextCodeEntry (CodeSeg* S, unsigned Index);
  */
 
 int GetCodeEntries (CodeSeg* S, struct CodeEntry** List,
-       		    unsigned Start, unsigned Count);
+       	 	    unsigned Start, unsigned Count);
 /* Get Count code entries into List starting at index start. Return true if
  * we got the lines, return false if not enough lines were available.
  */
-- 
2.39.5