Describe the bug
Getting complier warnings when compiling with GCC 9.3.0
To Reproduce
Steps to reproduce the behavior:
compile on Ubuntu 20.04
Expected behavior
No compiler warnings
Screenshots
$ make
Making all in scripts
make[1]: Entering directory '/home/developer/src/tcpreplay-4.3.4/scripts'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/scripts'
Making all in lib
make[1]: Entering directory '/home/developer/src/tcpreplay-4.3.4/lib'
CC strlcat.o
CC strlcpy.o
AR libstrl.a
ar: `u' modifier ignored since `D' is the default (see `U')
make[1]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/lib'
Making all in libopts
make[1]: Entering directory '/home/developer/src/tcpreplay-4.3.4/libopts'
make all-am
make[2]: Entering directory '/home/developer/src/tcpreplay-4.3.4/libopts'
CC libopts_la-libopts.lo
CCLD libopts.la
make[2]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/libopts'
make[1]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/libopts'
Making all in src
make[1]: Entering directory '/home/developer/src/tcpreplay-4.3.4/src'
make all-recursive
make[2]: Entering directory '/home/developer/src/tcpreplay-4.3.4/src'
Making all in common
make[3]: Entering directory '/home/developer/src/tcpreplay-4.3.4/src/common'
make all-am
make[4]: Entering directory '/home/developer/src/tcpreplay-4.3.4/src/common'
CC cidr.o
cidr.c: In function ‘ip2cidr’:
cidr.c:124:39: warning: ‘%d’ directive output may be truncated writing between 2 and 10 bytes into a region of size 3 [-Wformat-truncation=]
124 | snprintf(mask, sizeof(mask), "%d", masklen);
| ^~
cidr.c:124:38: note: directive argument in the range [10, 2147483647]
124 | snprintf(mask, sizeof(mask), "%d", masklen);
| ^~~~
In file included from /usr/include/stdio.h:867,
from /usr/include/pcap/pcap.h:93,
from /usr/include/pcap.h:43,
from ../../src/defines.h:57,
from cidr.c:22:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:67:10: note: ‘__builtin___snprintf_chk’ output between 3 and 11 bytes into a destination of size 3
67 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
68 | __bos (__s), __fmt, __va_arg_pack ());
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cidr.c:121:39: warning: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 3 [-Wformat-truncation=]
121 | snprintf(mask, sizeof(mask), "%d", masklen);
| ^~
cidr.c:121:38: note: directive argument in the range [-2147483648, 9]
121 | snprintf(mask, sizeof(mask), "%d", masklen);
| ^~~~
In file included from /usr/include/stdio.h:867,
from /usr/include/pcap/pcap.h:93,
from /usr/include/pcap.h:43,
from ../../src/defines.h:57,
from cidr.c:22:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:67:10: note: ‘__builtin___snprintf_chk’ output between 2 and 12 bytes into a destination of size 3
67 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
68 | __bos (__s), __fmt, __va_arg_pack ());
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CC err.o
CC list.o
CC cache.o
CC services.o
CC get.o
CC fakepcap.o
CC fakepcapnav.o
CC fakepoll.o
CC xX.o
CC utils.o
CC timer.o
CC git_version.o
CC sendpacket.o
In file included from sendpacket.c:122:
/usr/include/x86_64-linux-gnu/sys/sysctl.h:21:2: warning: #warning "The <sys/sysctl.h> header is deprecated and will be removed." [-Wcpp]
21 | #warning "The <sys/sysctl.h> header is deprecated and will be removed."
| ^~~~~~~
CC dlt_names.o
CC mac.o
CC interface.o
CC flows.o
CC txring.o
CC tcpdump.o
CC netmap.o
AR libcommon.a
ar: `u' modifier ignored since `D' is the default (see `U')
make[4]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/src/common'
make[3]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/src/common'
Making all in tcpedit
make[3]: Entering directory '/home/developer/src/tcpreplay-4.3.4/src/tcpedit'
make all-am
make[4]: Entering directory '/home/developer/src/tcpreplay-4.3.4/src/tcpedit'
CC tcpedit.o
CC parse_args.o
CC edit_packet.o
CC portmap.o
CC dlt.o
CC checksum.o
CC incremental_checksum.o
CC tcpedit_api.o
CC fuzzing.o
CC rewrite_sequence.o
CC plugins/dlt_plugins.o
CC plugins/ethernet.o
CC plugins/dlt_utils.o
CC plugins/dlt_en10mb/en10mb.o
CC plugins/dlt_en10mb/en10mb_api.o
CC plugins/dlt_hdlc/hdlc.o
CC plugins/dlt_hdlc/hdlc_api.o
CC plugins/dlt_user/user.o
CC plugins/dlt_user/user_api.o
CC plugins/dlt_raw/raw.o
CC plugins/dlt_null/null.o
CC plugins/dlt_loop/loop.o
CC plugins/dlt_linuxsll/linuxsll.o
CC plugins/dlt_ieee80211/ieee80211.o
CC plugins/dlt_ieee80211/ieee80211_hdr.o
CC plugins/dlt_radiotap/radiotap.o
CC plugins/dlt_jnpr_ether/jnpr_ether.o
CC plugins/dlt_pppserial/pppserial.o
AR libtcpedit.a
ar: `u' modifier ignored since `D' is the default (see `U')
make[4]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/src/tcpedit'
make[3]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/src/tcpedit'
make[3]: Entering directory '/home/developer/src/tcpreplay-4.3.4/src'
CC tcpreplay-tcpreplay_opts.o
CC tcpreplay-send_packets.o
CC tcpreplay-signal_handler.o
CC tcpreplay-tcpreplay.o
CC tcpreplay-tcpreplay_api.o
CC tcpreplay-sleep.o
CC tcpreplay-replay.o
CCLD tcpreplay
CC tcpprep-tcpprep_opts.o
CC tcpprep-tcpprep.o
CC tcpprep-tree.o
CC tcpprep-tcpprep_api.o
CCLD tcpprep
CC tcprewrite-tcprewrite_opts.o
CC tcprewrite-tcprewrite.o
CCLD tcprewrite
CC tcpreplay_edit-tcpreplay_edit_opts.o
CC tcpreplay_edit-send_packets.o
CC tcpreplay_edit-signal_handler.o
CC tcpreplay_edit-tcpreplay.o
CC tcpreplay_edit-tcpreplay_api.o
CC tcpreplay_edit-sleep.o
CC tcpreplay_edit-replay.o
CCLD tcpreplay-edit
CC tcpcapinfo-tcpcapinfo_opts.o
CC tcpcapinfo-tcpcapinfo.o
CCLD tcpcapinfo
CC tcpbridge-tcpbridge_opts.o
CC tcpbridge-tcpbridge.o
CC tcpbridge-bridge.o
CCLD tcpbridge
CC tcpliveplay-tcpliveplay_opts.o
CC tcpliveplay-tcpliveplay.o
CCLD tcpliveplay
make[3]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/src'
make[2]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/src'
make[1]: Leaving directory '/home/developer/src/tcpreplay-4.3.4/src'
make[1]: Entering directory '/home/developer/src/tcpreplay-4.3.4'
make[1]: Nothing to be done for 'all-am'.
make[1]: Leaving directory '/home/developer/src/tcpreplay-4.3.4'
System (please complete the following information):
fklassen
commented
3 years ago
Describe the bug Getting complier warnings when compiling with GCC 9.3.0 To Reproduce Steps to reproduce the behavior:
Expected behavior No compiler warnings
Screenshots
System (please complete the following information):