Bug Summary

File:objdir/c++tools/conftest.cpp
Warning:line 33, column 5
Value stored to 'err' during its initialization is never read

Annotated Source Code

Press '?' to see keyboard shortcuts

clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name conftest.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -analyzer-config-compatibility-mode=true -mrelocation-model static -mframe-pointer=none -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/objdir/c++tools -resource-dir /usr/lib64/clang/13.0.0 -internal-isystem /usr/bin/../lib64/gcc/x86_64-suse-linux/11/../../../../include/c++/11 -internal-isystem /usr/bin/../lib64/gcc/x86_64-suse-linux/11/../../../../include/c++/11/x86_64-suse-linux -internal-isystem /usr/bin/../lib64/gcc/x86_64-suse-linux/11/../../../../include/c++/11/backward -internal-isystem /usr/lib64/clang/13.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/bin/../lib64/gcc/x86_64-suse-linux/11/../../../../x86_64-suse-linux/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -fdeprecated-macro -fdebug-compilation-dir=/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/objdir/c++tools -ferror-limit 19 -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -vectorize-loops -vectorize-slp -analyzer-output=plist-html -analyzer-config silence-checkers=core.NullDereference -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/objdir/clang-static-analyzer/2021-11-20-133755-20252-1/report-HOACV_.plist -x c++ conftest.cpp
1/* confdefs.h */
2#define PACKAGE_NAME"" ""
3#define PACKAGE_TARNAME"" ""
4#define PACKAGE_VERSION"" ""
5#define PACKAGE_STRING"" ""
6#define PACKAGE_BUGREPORT"" ""
7#define PACKAGE_URL"" ""
8#define ENABLE_ASSERT_CHECKING1 1
9#define HOST_HAS_O_CLOEXEC1 1
10#define STDC_HEADERS1 1
11#define HAVE_SYS_TYPES_H1 1
12#define HAVE_SYS_STAT_H1 1
13#define HAVE_STDLIB_H1 1
14#define HAVE_STRING_H1 1
15#define HAVE_MEMORY_H1 1
16#define HAVE_STRINGS_H1 1
17#define HAVE_INTTYPES_H1 1
18#define HAVE_STDINT_H1 1
19#define HAVE_UNISTD_H1 1
20#define HAVE_SYS_MMAN_H1 1
21#define HAVE_AF_UNIX1 1
22#define HAVE_AF_INET61 1
23#define HAVE_EPOLL1 1
24#define HAVE_PSELECT1 1
25#define HAVE_SELECT1 1
26/* end confdefs.h. */
27
28#include <sys/socket.h>
29int
30main ()
31{
32
33int err = accept4 (1, 0, 0, SOCK_NONBLOCKSOCK_NONBLOCK);
Value stored to 'err' during its initialization is never read
34 ;
35 return 0;
36}