1PCAP_DUMP_FTELL(3PCAP) PCAP_DUMP_FTELL(3PCAP)
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6 pcap_dump_ftell, pcap_dump_ftell64 - get the current file offset for a
7 savefile being written
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10 #include <pcap/pcap.h>
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12 long pcap_dump_ftell(pcap_dumper_t *p);
13 int64_t pcap_dump_ftell64(pcap_dumper_t *p);
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16 pcap_dump_ftell() returns the current file position for the ``save‐
17 file'', representing the number of bytes written by pcap_dump_open()
18 and pcap_dump(). -1 is returned on error. If the current file posi‐
19 tion does not fit in a long, it will be truncated; this can happen on
20 32-bit UNIX-like systems with large file support and on Windows.
21 pcap_dump_ftell64() returns the current file position in a int64_t, so
22 if file offsets that don't fit in a long but that fit in a int64_t are
23 supported, this will return the file offset without truncation. -1 is
24 returned on error.
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27 pcap(3PCAP), pcap_dump_open(3PCAP), pcap_dump(3PCAP)
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31 29 September 2017 PCAP_DUMP_FTELL(3PCAP)