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Top Forums Shell Programming and Scripting Extract sequences of bytes from binary for differents blocks Post 302846641 by ahamed101 on Sunday 25th of August 2013 06:45:50 AM
Old 08-25-2013
I still didn't understand about the extra f's you are talking about. May be you can paste the out and point out which are those extra f's.

As for the new pattern 0x84, it should've worked. Can you upload a sample file so that I can check?

--ahamed
 

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ZIP_GET_FILE_EXTRA(3)					     Library Functions Manual					     ZIP_GET_FILE_EXTRA(3)

NAME
zip_get_file_extra - get extra field for file in zip LIBRARY
libzip (-lzip) SYNOPSIS
#include <zip.h> const char * zip_get_file_extra(struct zip *archive, zip_uint64_t index); "int *lenp" "int flags" DESCRIPTION
The zip_get_file_extra function returns the extra field for the file at position index in the zip archive. This pointer should not be mod- ified or free(3) Ap d. If lenp is not NULL, the integer to which it points will be set to the length of the extra. If flags is set to ZIP_FL_UNCHANGED, the original unchanged extra field is returned. RETURN VALUES
Upon successful completion, a pointer to the extra field is returned, or NULL if there is no extra field. In case of an error, NULL is returned and the error code in archive is set to indicate the error. ERRORS
zip_get_file_extra fails if: [ZIP_ER_INVAL] index is not a valid file index in archive. SEE ALSO
libzip(3), zip_set_file_extra(3) AUTHORS
Dieter Baron <dillo@giga.or.at> and Thomas Klausner <tk@giga.or.at> NiH February 13, 2011 ZIP_GET_FILE_EXTRA(3)
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