xml2.sed

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# This sed program is used in pkgcreate.ch

# process file if "Ptr retval" is present 
/Ptr retval/{
    :loop
    /return -1/!{ 
      # if )); is not found, it will match next line
      N

      # go back to loop
      b loop
    }
    s/return -1/return NULL/
}

/xmlExternalEntityLoader retval/{
    :loop2
    /return -1/!{ 
      # if )); is not found, it will match next line
      N

      # go back to loop2
      b loop2
    }
    s/return -1/return NULL/
}