From: teodor <teodor>
Date: Thu, 18 Sep 2008 09:45:55 +0000 (+0000)
Subject: Add resetMemoryContext()
X-Git-Url: http://sigaev.ru/git/gitweb.cgi?a=commitdiff_plain;h=0fd1e4bc60725bc8ce06b7720539f6c8a38341b6;p=tedtools.git

Add resetMemoryContext()
---

diff --git a/tmalloc.c b/tmalloc.c
index 9f96ab9..c03a7ff 100644
--- a/tmalloc.c
+++ b/tmalloc.c
@@ -161,6 +161,25 @@ freeMemoryContext(MemoryContext *cntx) {
 	}
 }
 
+void
+resetMemoryContext(MemoryContext *cntx) {
+	MemoryChunk *chunk, *chunkptr;
+
+	while( cntx ) {
+		chunkptr = cntx->chunk;
+		chunkptr->freesize = chunkptr->size;
+		chunkptr = chunkptr->next;
+		cntx->chunk->next = NULL;
+
+		while( chunkptr ) {
+			chunk=chunkptr->next;
+			tfree(chunkptr);
+			chunkptr=chunk;
+		}
+		cntx=cntx->child;
+	}
+}
+
 void*   
 mcalloc(MemoryContext *cntx, size_t size) {
 	MemoryChunk	*chunk = cntx->chunk;
diff --git a/tmalloc.h b/tmalloc.h
index 67069eb..4cb0a0b 100644
--- a/tmalloc.h
+++ b/tmalloc.h
@@ -77,6 +77,7 @@ typedef struct {
 
 MemoryContext *allocMemoryContext(MemoryContext* parent, int flags);
 void freeMemoryContext(MemoryContext* cntx);
+void resetMemoryContext(MemoryContext* cntx);
 void*   mcalloc(MemoryContext *cntx, size_t size);
 void*   mc0alloc(MemoryContext *cntx, size_t size);
 void*   mcrealloc(void * ptr, size_t size);