diff options
Diffstat (limited to 'third_party/nix/src/libstore/build.cc')
| -rw-r--r-- | third_party/nix/src/libstore/build.cc | 75 |
1 files changed, 39 insertions, 36 deletions
diff --git a/third_party/nix/src/libstore/build.cc b/third_party/nix/src/libstore/build.cc index 74db67e862..13a8b21dd1 100644 --- a/third_party/nix/src/libstore/build.cc +++ b/third_party/nix/src/libstore/build.cc @@ -185,10 +185,10 @@ using steady_time_point = std::chrono::time_point<std::chrono::steady_clock>; path creation commands. */ struct Child { WeakGoalPtr goal; - Goal* goal2; // ugly hackery + Goal* goal2{}; // ugly hackery std::set<int> fds; - bool respectTimeouts; - bool inBuildSlot; + bool respectTimeouts = false; + bool inBuildSlot = false; steady_time_point lastOutput; /* time we last got output on stdout/stderr */ steady_time_point timeStarted; }; @@ -732,7 +732,7 @@ class SubstitutionGoal; class DerivationGoal : public Goal { private: /* Whether to use an on-disk .drv file. */ - bool useDerivation; + bool useDerivation = false; /* The path of the derivation. */ Path drvPath; @@ -746,7 +746,7 @@ class DerivationGoal : public Goal { /* Whether to retry substituting the outputs after building the inputs. */ - bool retrySubstitution; + bool retrySubstitution = false; /* The derivation stored at drvPath. */ std::unique_ptr<BasicDerivation> drv; @@ -789,7 +789,7 @@ class DerivationGoal : public Goal { std::shared_ptr<BufferedSink> logFileSink, logSink; /* Number of bytes received from the builder's stdout/stderr. */ - unsigned long logSize; + unsigned long logSize = 0; /* The most recent log lines. */ std::list<std::string> logTail; @@ -817,7 +817,7 @@ class DerivationGoal : public Goal { std::shared_ptr<AutoDelete> autoDelChroot; /* Whether this is a fixed-output derivation. */ - bool fixedOutput; + bool fixedOutput = false; /* Whether to run the build in a private network namespace. */ bool privateNetwork = false; @@ -856,7 +856,7 @@ class DerivationGoal : public Goal { /* The current round, if we're building multiple times. */ size_t curRound = 1; - size_t nrRounds; + size_t nrRounds = 0; /* Path registration info from the previous round, if we're building multiple times. Since this contains the hash, it @@ -1585,13 +1585,15 @@ MakeError(NotDeterministic, BuildError) #if HAVE_STATVFS unsigned long long required = 8ULL * 1024 * 1024; // FIXME: make configurable - struct statvfs st; + struct statvfs st {}; if (statvfs(worker.store.realStoreDir.c_str(), &st) == 0 && - (unsigned long long)st.f_bavail * st.f_bsize < required) { + static_cast<unsigned long long>(st.f_bavail) * st.f_bsize < + required) { diskFull = true; } if (statvfs(tmpDir.c_str(), &st) == 0 && - (unsigned long long)st.f_bavail * st.f_bsize < required) { + static_cast<unsigned long long>(st.f_bavail) * st.f_bsize < + required) { diskFull = true; } #endif @@ -1830,7 +1832,7 @@ void chmod_(const Path& path, mode_t mode) { } int childEntry(void* arg) { - ((DerivationGoal*)arg)->runChild(); + (static_cast<DerivationGoal*>(arg))->runChild(); return 1; } @@ -2135,7 +2137,7 @@ void DerivationGoal::startBuilder() { for (auto& i : inputPaths) { Path r = worker.store.toRealPath(i); - struct stat st; + struct stat st {}; if (lstat(r.c_str(), &st) != 0) { throw SysError(format("getting attributes of path '%1%'") % i); } @@ -2284,7 +2286,7 @@ void DerivationGoal::startBuilder() { } // Put the pt into raw mode to prevent \n -> \r\n translation. - struct termios term; + struct termios term {}; if (tcgetattr(builderOut.writeSide.get(), &term) != 0) { throw SysError("getting pseudoterminal attributes"); } @@ -2357,9 +2359,9 @@ void DerivationGoal::startBuilder() { } size_t stackSize = 1 * 1024 * 1024; - char* stack = - (char*)mmap(nullptr, stackSize, PROT_WRITE | PROT_READ, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0); + char* stack = static_cast<char*>( + mmap(nullptr, stackSize, PROT_WRITE | PROT_READ, + MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0)); if (stack == MAP_FAILED) { throw SysError("allocating stack"); } @@ -2412,7 +2414,7 @@ void DerivationGoal::startBuilder() { userNamespaceSync.readSide = -1; - pid_t tmp; + pid_t tmp = 0; if (!absl::SimpleAtoi(readLine(builderOut.readSide.get()), &tmp)) { abort(); } @@ -2709,7 +2711,7 @@ void setupSeccomp() { return; } #if HAVE_SECCOMP - scmp_filter_ctx ctx; + scmp_filter_ctx ctx = nullptr; if ((ctx = seccomp_init(SCMP_ACT_ALLOW)) == nullptr) { throw SysError("unable to initialize seccomp mode 2"); @@ -2829,7 +2831,7 @@ void DerivationGoal::runChild() { throw SysError("cannot open IP socket"); } - struct ifreq ifr; + struct ifreq ifr {}; strncpy(ifr.ifr_name, "lo", sizeof("lo")); ifr.ifr_flags = IFF_UP | IFF_LOOPBACK | IFF_RUNNING; if (ioctl(fd.get(), SIOCSIFFLAGS, &ifr) == -1) { @@ -2918,7 +2920,7 @@ void DerivationGoal::runChild() { auto doBind = [&](const Path& source, const Path& target, bool optional = false) { DLOG(INFO) << "bind mounting '" << source << "' to '" << target << "'"; - struct stat st; + struct stat st {}; if (stat(source.c_str(), &st) == -1) { if (optional && errno == ENOENT) { return; @@ -3035,7 +3037,7 @@ void DerivationGoal::runChild() { #if __linux__ /* Change the personality to 32-bit if we're doing an i686-linux build on an x86_64-linux machine. */ - struct utsname utsbuf; + struct utsname utsbuf {}; uname(&utsbuf); if (drv->platform == "i686-linux" && (settings.thisSystem == "x86_64-linux" || @@ -3247,7 +3249,7 @@ void DerivationGoal::registerOutputs() { } } - struct stat st; + struct stat st {}; if (lstat(actualPath.c_str(), &st) == -1) { if (errno == ENOENT) { throw BuildError( @@ -3296,7 +3298,7 @@ void DerivationGoal::registerOutputs() { outputs (i.e., the content hash should match the specified hash). */ if (fixedOutput) { - bool recursive; + bool recursive = 0; Hash h; i.second.parseHashInfo(recursive, h); @@ -4451,7 +4453,7 @@ void Worker::waitForInput() { terminated. */ bool useTimeout = false; - struct timeval timeout; + struct timeval timeout {}; timeout.tv_usec = 0; auto before = steady_time_point::clock::now(); @@ -4478,9 +4480,9 @@ void Worker::waitForInput() { } if (nearest != steady_time_point::max()) { timeout.tv_sec = std::max( - 1L, - (long)std::chrono::duration_cast<std::chrono::seconds>(nearest - before) - .count()); + 1L, static_cast<long>(std::chrono::duration_cast<std::chrono::seconds>( + nearest - before) + .count())); useTimeout = true; } @@ -4495,10 +4497,11 @@ void Worker::waitForInput() { lastWokenUp = before; } timeout.tv_sec = std::max( - 1L, - (long)std::chrono::duration_cast<std::chrono::seconds>( - lastWokenUp + std::chrono::seconds(settings.pollInterval) - before) - .count()); + 1L, static_cast<long>(std::chrono::duration_cast<std::chrono::seconds>( + lastWokenUp + + std::chrono::seconds(settings.pollInterval) - + before) + .count())); } else { lastWokenUp = steady_time_point::min(); } @@ -4563,7 +4566,7 @@ void Worker::waitForInput() { } } else { DLOG(INFO) << goal->getName() << ": read " << rd << " bytes"; - std::string data((char*)buffer.data(), rd); + std::string data(reinterpret_cast<char*>(buffer.data()), rd); j->lastOutput = after; goal->handleChildOutput(k, data); } @@ -4638,7 +4641,7 @@ bool Worker::pathContentsGood(const Path& path) { } LOG(INFO) << "checking path '" << path << "'..."; auto info = store.queryPathInfo(path); - bool res; + bool res = 0; if (!pathExists(path)) { res = false; } else { @@ -4663,8 +4666,8 @@ static void primeCache(Store& store, const PathSet& paths) { PathSet willBuild; PathSet willSubstitute; PathSet unknown; - unsigned long long downloadSize; - unsigned long long narSize; + unsigned long long downloadSize = 0; + unsigned long long narSize = 0; store.queryMissing(paths, willBuild, willSubstitute, unknown, downloadSize, narSize); |