Remove the -DWEAK_MAGIC preprocessor conditional and add function sf_set_magic() to set the magic number for debugging.
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@ -311,19 +311,23 @@ void *sf_mem_grow();
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/*
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/*
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* @return The "magic number" used to obfuscate header and footer contents
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* @return The "magic number" used to obfuscate header and footer contents
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* to make it difficult to free a block without having first succesfully
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* to make it difficult to free a block without having first succesfully
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* malloc'ed one. To obtain the ability to turn off obfuscation using the
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* malloc'ed one.
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* -DWEAK_MAGIC compilation flag, you should not call this function directly
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* but rather use the preprocessor symbol MAGIC where the magic number is
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* required.
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*/
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*/
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sf_header sf_magic();
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sf_header sf_magic();
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/* Define WEAK_MAGIC during compilation to use MAGIC of 0x0 for debugging purposes. */
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#ifndef WEAK_MAGIC
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#define MAGIC (sf_magic())
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#define MAGIC (sf_magic())
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#else
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#define MAGIC ((sf_header)0x0)
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/*
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#endif
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* Set the "magic number" used to obfuscate header and footer contents.
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* Setting the magic number to zero essentially turns off obfuscation, which will
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* to make your life easier during debugging. This function will be replaced
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* by a dummy version during grading, so be sure to test your code without calling
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* this function.
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*
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* @param magic The value to set the magic number to. Setting to 0x0 disables
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* obfuscation.
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*/
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void sf_set_magic(sf_header magic);
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/*
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/*
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* Display the contents of the heap in a human-readable form.
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* Display the contents of the heap in a human-readable form.
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BIN
hw3/lib/sfutil.o
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hw3/lib/sfutil.o
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