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Viewing changes to plugin/pbms/src/cslib/CSMemory.cc

  • Committer: Mark Atwood
  • Date: 2011-11-14 07:30:41 UTC
  • Revision ID: me@mark.atwood.name-20111114073041-mo2hgg8ouseo2kpu
release 2011.11.29

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Lines of Context:
plugin/pbms/src/cslib/CSMemory.cc
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        unsigned char   *ptr = (unsigned char *) p - MEM_DEBUG_HDR_SIZE;
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        MemoryDebugPtr  debug_ptr = (MemoryDebugPtr) ptr;
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        size_t                  size = debug_ptr->size;
 
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        long                    a_value;  /* Added to simplfy debugging. */
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        if (!ASSERT(p)) 
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                return(0);
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        if (!ASSERT(((size_t) p & 1L) == 0)) 
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                return(0);
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        a_value = MEM_FREED;
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        if (debug_ptr->check == MEM_FREED) { 
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                mm_println("MM ERROR: Pointer already freed 'debug_ptr->check != MEM_FREED'");
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                return(0);
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        }
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        a_value = MEM_HEADER;
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        if (debug_ptr->check != MEM_HEADER) {
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                mm_println("MM ERROR: Header not valid 'debug_ptr->check != MEM_HEADER'");
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                return(0);
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        }
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        a_value = MEM_TRAILER_BYTE;
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        if (!(*((unsigned char *) ptr + size + MEM_DEBUG_HDR_SIZE) == MEM_TRAILER_BYTE &&
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                        *((unsigned char *) ptr + size + MEM_DEBUG_HDR_SIZE + 1L) == MEM_TRAILER_BYTE)) { 
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                mm_throw_assertion(mm_ptr, p, "Trailer overwritten");