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xar archiver fork

Personal xar fork for research purposes

Features

  • CMake support
  • Removed CommonCrypto usage on MacOS
  • Easy property and subdocuments backup/replication
  • Small bugfixes
  • Currently runs on MacOS and Linux on x86_64

New functions:

/**
 * writes property data in format which allows direct replication of it
 * in other files using xar_prop_copyin_wrapped
 */
int32_t xar_prop_copyout_wrapped(xar_file_t file, const char* propName, unsigned char **dataRef, unsigned int *sizeRef);

/**
 * replicates property in the specified file
 */
int32_t xar_prop_copyin_wrapped(xar_file_t file, const unsigned char *data, unsigned int size);

/**
 * writes subdoc data in format which allows direct replication of it
 * in other archives using xar_subdoc_copyin_wrapped
 */
int32_t xar_subdoc_copyout_wrapped(xar_subdoc_t s, unsigned char **dataRef, unsigned int *sizeRef);

/**
 * replicates subdocument in the specified archive
 */
int32_t xar_subdoc_copyin_wrapped(xar_t s, const unsigned char *data, unsigned int size);