* buffer.c
* - Scatter-gather handling
*/
+#define DEBUG 0
#include "ipstack.h"
#include "include/buffer.h"
size_t PostLength;
tIPStackBufferCb Cb;
void *CbArg;
- // TODO: Callbacks?
} SubBuffers[];
};
void IPStack_Buffer_DestroyBuffer(tIPStackBuffer *Buffer)
{
+ LOG("Called with %p by %p", Buffer, __builtin_return_address(0));
ASSERT(Buffer);
IPStack_Buffer_ClearBuffer(Buffer);
Buffer->MaxSubBufffers = 0;
for( int i = Buffer->nSubBuffers; i -- && rem_space != 0; )
{
len = MIN(Buffer->SubBuffers[i].PreLength, rem_space);
+ #if !DISABLE_ASSERTS
+ if( !CheckMem(Buffer->SubBuffers[i].Data, len) ) {
+ Log_Error("IPStack", "Buffer pre %i invalid (%p+0x%x)",
+ i, Buffer->SubBuffers[i].Data, len);
+ return 0;
+ }
+ #endif
memcpy(dest,
Buffer->SubBuffers[i].Data,
len
continue ;
len = MIN(Buffer->SubBuffers[i].PostLength, rem_space);
- memcpy(dest,
- (Uint8*)Buffer->SubBuffers[i].Data + Buffer->SubBuffers[i].PreLength,
- len
- );
+ void *ptr = (Uint8*)Buffer->SubBuffers[i].Data + Buffer->SubBuffers[i].PreLength;
+ ASSERT( CheckMem(ptr, len) );
+ memcpy(dest, ptr, len);
dest += len;
rem_space -= len;
}