if err = checkPathLength(dstFilePath); err != nil {
		return err
	}
	if srcIsDir {
		// If source is a directory, we expect the destination to be non-existent but we
		// we still need to allow overwriting an empty directory since it represents
		// an object empty directory.
		dirInfo, err := Lstat(dstFilePath)
		if isSysErrIO(err) {
			return errFaultyDisk
		}
		if err != nil {

	// Check if x-amz-metadata-directive or x-amz-tagging-directive was not set to REPLACE and source,
	// destination are same objects. Apply this restriction also when
	// metadataOnly is true indicating that we are not overwriting the object.
	// if encryption is enabled we do not need explicit "REPLACE" metadata to
	// be enabled as well - this is to allow for key-rotation.

with Go function // names. For instance, function aes_p8_set_{en,de}crypt_key become // set{En,De}cryptKeyAsm. I also split setEncryptKeyAsm in two parts // and a new session was created (doEncryptKeyAsm). This was necessary to // avoid arguments overwriting when setDecryptKeyAsm calls setEncryptKeyAsm. // There were other modifications as well but kept the same functionality. #include "textflag.h" // For expandKeyAsm #define INP R3 #define BITS R4 #define OUTENC R5 // Pointer to next expanded encrypt...

with Go function // names. For instance, function aes_p8_set_{en,de}crypt_key become // set{En,De}cryptKeyAsm. I also split setEncryptKeyAsm in two parts // and a new session was created (doEncryptKeyAsm). This was necessary to // avoid arguments overwriting when setDecryptKeyAsm calls setEncryptKeyAsm. // There were other modifications as well but kept the same functionality. #include "textflag.h" // For expandKeyAsm #define INP R3 #define BITS R4 #define OUTENC R5 // Pointer to next expanded encrypt...