DOKK / manpages / debian 10 / libtasn1-6-dev / asn1_get_length_ber.3.en
asn1_get_length_ber(3) libtasn1 asn1_get_length_ber(3)

asn1_get_length_ber - API function

#include <libtasn1.h>

long asn1_get_length_ber(const unsigned char * ber, int ber_len, int * len);

BER data to decode.
Length of BER data to decode.
Output variable containing the length of the BER length field.

Extract a length field from BER data. The difference to asn1_get_length_der() is that this function will return a length even if the value has indefinite encoding.

Return the decoded length value, or negative value when the value was too big.

2.0

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The full documentation for libtasn1 is maintained as a Texinfo manual. If the info and libtasn1 programs are properly installed at your site, the command

info libtasn1

should give you access to the complete manual. As an alternative you may obtain the manual from:

http://www.gnu.org/software/libtasn1/manual/
4.8 libtasn1