add .gitignore

[tedtools.git] / tmalloc.h

diff --git a/tmalloc.h b/tmalloc.h
index a39a3ff..89648de 100644 (file)
--- a/tmalloc.h
+++ b/tmalloc.h
@@ -46,7 +46,7 @@ int clrspace(char *buf);
 
 /* fast allocate */
 
-#define CNTXCHUNK      (1024*1024)
+#define CNTXCHUNK      (64*1024)
 
 typedef struct MemoryChunk {
        size_t  size;
@@ -55,7 +55,7 @@ typedef struct MemoryChunk {
        char data[1];
 } MemoryChunk;
 
-#define MEMCHNKHDRSZ   ( sizeof(u_int32_t)*2 + sizeof(MemoryChunk*) )
+#define MEMCHNKHDRSZ   offsetof(MemoryChunk, data)
 
 typedef struct MemoryContext {
        u_int32_t       flags;
@@ -72,11 +72,12 @@ typedef struct {
        char    data[1];        
 } MCAllocatedSpace;
 
-#define MCASHDRSZ ( sizeof(size_t) + sizeof(MemoryContext*) )
+#define MCASHDRSZ offsetof(MCAllocatedSpace, data)
 #define MCMAGICKNUMBER (0xFE0FBEEF)
 
 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);
@@ -84,5 +85,20 @@ void mcfree(void * ptr);
 char * mcstrdup(MemoryContext *cntx, char * src);
 char * mcnstrdup(MemoryContext *cntx, char *src, int len);
 
+typedef void* (*MemAlloc)(void *ptr, size_t size);
+
+typedef struct {
+    char            *buf;
+       char            *ptr;
+       u_int32_t       len;
+       MemoryContext   *mc;
+       MemAlloc                memalloc;
+} StringBuffer;
+
+StringBuffer* initStringBuffer(StringBuffer* state, int initsize);
+StringBuffer* initStringBufferMC(StringBuffer* state, MemoryContext *mc, int initsize);
+StringBuffer* initStringBufferMA(StringBuffer* state, MemAlloc memalloc, int initsize);
+StringBuffer* appendStringBuffer( StringBuffer *state, char *string, int stringlen);
+StringBuffer* printStringBuffer( StringBuffer *state, const char *format, ...);
 
 #endif