Suricata

• 787 implicit errors
• 238 related to strlen (returns size_t, often used as a return value/parameter).
• 30 are for files containing "udp" or "tcp" in the filename
• 163 C source modules

Specific complaints:

      2  'AppProto' (aka 'unsigned short') to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      1  'const AppProto' (aka 'const unsigned short') to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      1  'const DetectUintMode' to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      2  'const enum VarTypes' to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      2  'const int' to 'char' [-Werror,-Wimplicit-int-conversion]
      2  'const int' to 'int16_t' (aka 'short') [-Werror,-Wimplicit-int-conversion]
      5  'const int' to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      1  'const int' to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]  CC       detect-flowbits.o
     18  'const int' to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      1  'const uint16_t' (aka 'const unsigned short') to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      2  'const uint32_t' (aka 'const unsigned int') to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      2  'enum VarTypes' to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      1  error
      1  'FtpRequestCommandArgOfs' (aka 'unsigned int') to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      6  'int32_t' (aka 'int') to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      1  'intmax_t' (aka 'long') to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      7  'int' to 'AppProto' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      9  'int' to 'char' [-Werror,-Wimplicit-int-conversion]
      5  'int' to 'int16_t' (aka 'short') [-Werror,-Wimplicit-int-conversion]
      1  'int' to 'short' [-Werror,-Wimplicit-int-conversion]
    124  'int' to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
     74  'int' to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
     14  'int' to 'unsigned char' [-Werror,-Wimplicit-int-conversion]
      8  'long' to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      2  'long' to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      3  'SCLogOPType' to 'int16_t' (aka 'short') [-Werror,-Wimplicit-int-conversion]
      4  'size_t' (aka 'unsigned long') to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      1  '__u32' (aka 'unsigned int') to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      9  'uint16_t' (aka 'unsigned short') to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
    128  'uint32_t' (aka 'unsigned int') to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      1  'uint32_t' (aka 'unsigned int') to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]app-layer-register.c
     17  'uint32_t' (aka 'unsigned int') to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      3  'uint64_t' (aka 'unsigned long') to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
     48  'unsigned int' to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      3  'unsigned int' to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]
      1  'unsigned int' to 'unsigned short' [-Werror,-Wimplicit-int-conversion]
    243  'unsigned long' to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion]
      1  'unsigned long' to 'uint8_t' (aka 'unsigned char') [-Werror,-Wimplicit-int-conversion]

Source modules

alert-fastlog.c
app-layer.c
app-layer-detect-proto.c
app-layer-dnp3.c
app-layer-dnp3-objects.c
app-layer-enip.c
app-layer-enip-common.c
app-layer-ftp.c
app-layer-htp.c
app-layer-parser.c
app-layer-register.c
app-layer-smtp.c
app-layer-ssh.c
app-layer-ssl.c
bstr.c
counters.c
datasets.c
decode.c
decode-geneve.c
decode-icmpv4.c
decode-icmpv6.c
decode-ipv4.c
decode-ipv6.c
decode-mpls.c
decode-null.c
decode-ppp.c
decode-pppoe.c
decode-raw.c
decode-tcp.c
decode-template.c
decode-vlan.c
defrag.c
defrag-hash.c
detect-app-layer-event.c
detect-asn1.c
detect-byte-extract.c
detect-bytejump.c
detect-bytemath.c
detect-bytetest.c
detect.c
detect-cipservice.c
detect-content.c
detect-csum.c
detect-detection-filter.c
detect-dnp3.c
detect-dns-query.c
detect-dsize.c
detect-engine-address.c
detect-engine-alert.c
detect-engine-analyzer.c
detect-engine-build.c
detect-engine.c
detect-engine-content-inspection.c
detect-engine-event.c
detect-engine-iponly.c
detect-engine-mpm.c
detect-engine-payload.c
detect-engine-port.c
detect-engine-prefilter.c
detect-engine-siggroup.c
detect-engine-tag.c
detect-engine-uint.c
detect-fast-pattern.c
detect-fileext.c
detect-file-hash-common.c
detect-filesize.c
detect-flowbits.c
detect-flow.c
detect-flowvar.c
detect-ftpbounce.c
detect-hostbits.c
detect-http2.c
detect-http-header-common.c
detect-http-stat-msg.c
detect-icmpv4hdr.c
detect-id.c
detect-ike-chosen-sa.c
detect-ipproto.c
detect-isdataat.c
detect-lua.c
detect-lua-extensions.c
detect-metadata.c
detect-nocase.c
detect-pcre.c
detect-pktvar.c
detect-rfb-sectype.c
detect-rpc.c
detect-sameip.c
detect-ssh-hassh.c
detect-ssh-hassh-server.c
detect-ssh-proto-version.c
detect-ssh-software-version.c
detect-ssl-version.c
detect-tag.c
detect-tcp-seq.c
detect-tcp-window.c
detect-threshold.c
detect-tls-cert-fingerprint.c
detect-tls-cert-serial.c
detect-tls-ja3-hash.c
detect-tls-ja3s-hash.c
detect-tos.c
detect-transform-compress-whitespace.c
detect-transform-urldecode.c
detect-uricontent.c
detect-urilen.c
detect-within.c
detect-xbits.c
flow.c
flow-timeout.c
host.c
htp_base64.c
htp_config.c
htp_response.c
htp_util.c
ippair.c
output-json-dnp3.c
output-json-file.c
output-json-stats.c
reputation.c
respond-reject-libnet11.c
runmode-erf-file.c
runmodes.c
runmode-unix-socket.c
source-af-packet.c
stream-tcp.c
stream-tcp-inline.c
stream-tcp-list.c
stream-tcp-reassemble.c
suricata.c
tm-threads.c
util-action.c
util-affinity.c
util-base64.c
util-byte.c
util-checksum.c
util-classification-config.c
util-cpu.c
util-debug.c
util-decode-mime.c
util-device.c
util-fix_checksum.c
util-host-os-info.c
util-ioctl.c
util-logopenfile.c
util-lua-common.c
util-macset.c
util-mpm-ac-bs.c
util-mpm-ac.c
util-mpm-ac-ks.c
util-mpm.c
util-mpm-hs.c
util-profiling.c
util-profiling-keywords.c
util-profiling-rules.c
util-radix-tree.c
util-reference-config.c
util-spm-bm.c
util-spm.c
util-thash.c
util-threshold-config.c
util-unittest-helper.c
util-var-name.c