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| author | Denis Ovsienko <denis@ovsienko.info> | 2017-07-20 20:58:06 +0100 |
|---|---|---|
| committer | Denis Ovsienko <denis@ovsienko.info> | 2017-07-20 21:04:56 +0100 |
| commit | 11fcafcf6928d793411ae3dba9af324e3d027bb2 (patch) | |
| tree | 4d38b7169bba02de49d786629e22bddc729d2677 /config.h.in | |
| parent | d72adb9406a34998a96d148fa701cd4fb573e8b9 (diff) | |
| download | tcpdump-11fcafcf6928d793411ae3dba9af324e3d027bb2.tar.gz | |
HNCP: refine snprintf() buffers sizing
This squelches a warning in format_256(), make a similar change to
format_nid() while at it.
$ gcc --version
gcc (GCC) 7.1.1 20170622 (Red Hat 7.1.1-3)
./print-hncp.c: In function ‘format_256’:
./print-hncp.c:175:26: warning: ‘%016lx’ directive output truncated writing 16 bytes into a region of size 12 [-Wformat-truncation=]
snprintf(buf[i], 28, "%016" PRIx64 "%016" PRIx64 "%016" PRIx64 "%016" PRIx64,
^~~~~~
./print-hncp.c:175:41: note: format string is defined here
snprintf(buf[i], 28, "%016" PRIx64 "%016" PRIx64 "%016" PRIx64 "%016" PRIx64,
./print-hncp.c:175:26: note: using the range [0, 18446744073709551615] for directive argument
snprintf(buf[i], 28, "%016" PRIx64 "%016" PRIx64 "%016" PRIx64 "%016" PRIx64,
^~~~~~
./print-hncp.c:175:26: note: using the range [0, 18446744073709551615] for directive argument
./print-hncp.c:175:26: note: using the range [0, 18446744073709551615] for directive argument
./print-hncp.c:175:5: note: ‘snprintf’ output 65 bytes into a destination of size 28
snprintf(buf[i], 28, "%016" PRIx64 "%016" PRIx64 "%016" PRIx64 "%016" PRIx64,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
EXTRACT_64BITS(data),
~~~~~~~~~~~~~~~~~~~~~
EXTRACT_64BITS(data + 8),
~~~~~~~~~~~~~~~~~~~~~~~~~
EXTRACT_64BITS(data + 16),
~~~~~~~~~~~~~~~~~~~~~~~~~~
EXTRACT_64BITS(data + 24)
~~~~~~~~~~~~~~~~~~~~~~~~~
);
~
Diffstat (limited to 'config.h.in')
0 files changed, 0 insertions, 0 deletions