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NAME | SYNOPSIS | DESCRIPTION | BACKWARD COMPATIBILITY | SEE ALSO | COLOPHON |
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PCAP_DUMP_FTELL(3PCAP) PCAP_DUMP_FTELL(3PCAP)
pcap_dump_ftell, pcap_dump_ftell64 - get the current file offset
for a savefile being written
#include <pcap/pcap.h>
long pcap_dump_ftell(pcap_dumper_t *p);
int64_t pcap_dump_ftell64(pcap_dumper_t *p);
pcap_dump_ftell() returns the current file position for the
``savefile'', representing the number of bytes written by
pcap_dump_open(3PCAP) and pcap_dump(3PCAP). PCAP_ERROR is
returned on error. If the current file position does not fit in a
long, it will be truncated; this can happen on 32-bit UNIX-like
systems with large file support and on Windows.
pcap_dump_ftell64() returns the current file position in a
int64_t, so if file offsets that don't fit in a long but that fit
in a int64_t are supported, this will return the file offset
without truncation. PCAP_ERROR is returned on error.
The function pcap_dump_ftell64() became available in libpcap
release 1.9.0. In previous releases, there was no mechanism to
obtain a file offset that is too large to fit in a long.
pcap(3PCAP)
This page is part of the libpcap (packet capture library)
project. Information about the project can be found at
⟨http://www.tcpdump.org/⟩. If you have a bug report for this
manual page, see ⟨http://www.tcpdump.org/#patches⟩. This page
was obtained from the project's upstream Git repository
⟨https://github.com/the-tcpdump-group/libpcap.git⟩ on 2024-06-14.
(At that time, the date of the most recent commit that was found
in the repository was 2024-06-04.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
25 July 2018 PCAP_DUMP_FTELL(3PCAP)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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