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Merge changes Ic0dfcfe2,Ibe73851f,Ia7a8df1c,I400b2031 into main

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* changes:
  package.nix: remove dead code
  diff-closures: remove gratuitous copy
  tree-wide: NULL -> nullptr
  libutil: rip out GNU Hurd support code
This commit is contained in:
jade 2024-07-25 18:05:41 +00:00 committed by Gerrit Code Review
commit c4c7cb7613
10 changed files with 33 additions and 60 deletions
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36
package.nix
View file

@ -92,31 +92,19 @@ let
# Reimplementation of Nixpkgs' Meson cross file, with some additions to make
# it actually work.
mesonCrossFile =
let
cpuFamily =
platform:
with platform;
if isAarch32 then
"arm"
else if isx86_32 then
"x86"
else
platform.uname.processor;
in
builtins.toFile "lix-cross-file.conf" ''
[properties]
# Meson is convinced that if !buildPlatform.canExecute hostPlatform then we cannot
# build anything at all, which is not at all correct. If we can't execute the host
# platform, we'll just disable tests and doc gen.
needs_exe_wrapper = false
mesonCrossFile = builtins.toFile "lix-cross-file.conf" ''
[properties]
# Meson is convinced that if !buildPlatform.canExecute hostPlatform then we cannot
# build anything at all, which is not at all correct. If we can't execute the host
# platform, we'll just disable tests and doc gen.
needs_exe_wrapper = false
[binaries]
# Meson refuses to consider any CMake binary during cross compilation if it's
# not explicitly specified here, in the cross file.
# https://github.com/mesonbuild/meson/blob/0ed78cf6fa6d87c0738f67ae43525e661b50a8a2/mesonbuild/cmake/executor.py#L72
cmake = 'cmake'
'';
[binaries]
# Meson refuses to consider any CMake binary during cross compilation if it's
# not explicitly specified here, in the cross file.
# https://github.com/mesonbuild/meson/blob/0ed78cf6fa6d87c0738f67ae43525e661b50a8a2/mesonbuild/cmake/executor.py#L72
cmake = 'cmake'
'';
# The internal API docs need these for the build, but if we're not building
# Nix itself, then these don't need to be propagated.

4
src/build-remote/build-remote.cc
View file

@ -236,9 +236,9 @@ static int main_build_remote(int argc, char * * argv)
}
#if __APPLE__
futimes(bestSlotLock.get(), NULL);
futimes(bestSlotLock.get(), nullptr);
#else
futimens(bestSlotLock.get(), NULL);
futimens(bestSlotLock.get(), nullptr);
#endif
lock.reset();

2
src/libstore/build/local-derivation-goal.cc
View file

@ -1882,7 +1882,7 @@ void LocalDerivationGoal::runChild()
sandboxArgs.push_back("_ALLOW_LOCAL_NETWORKING");
sandboxArgs.push_back("1");
}
if (sandbox_init_with_parameters(sandboxProfile.c_str(), 0, stringsToCharPtrs(sandboxArgs).data(), NULL)) {
if (sandbox_init_with_parameters(sandboxProfile.c_str(), 0, stringsToCharPtrs(sandboxArgs).data(), nullptr)) {
writeFull(STDERR_FILENO, "failed to configure sandbox\n");
_exit(1);
}

4
src/libstore/globals.cc
View file

@ -177,14 +177,14 @@ static bool hasVirt() {
size_t size;
size = sizeof(hasVMM);
if (sysctlbyname("kern.hv_vmm_present", &hasVMM, &size, NULL, 0) == 0) {
if (sysctlbyname("kern.hv_vmm_present", &hasVMM, &size, nullptr, 0) == 0) {
if (hasVMM)
return false;
}
// whether the kernel and hardware supports virt
size = sizeof(hvSupport);
if (sysctlbyname("kern.hv_support", &hvSupport, &size, NULL, 0) == 0) {
if (sysctlbyname("kern.hv_support", &hvSupport, &size, nullptr, 0) == 0) {
return hvSupport == 1;
} else {
return false;

2
src/libstore/local-store.cc
View file

@ -557,7 +557,7 @@ void LocalStore::openDB(State & state, bool create)
if (sqlite3_exec(db, "pragma main.journal_size_limit = 1099511627776;", 0, 0, 0) != SQLITE_OK)
SQLiteError::throw_(db, "setting journal_size_limit");
int enable = 1;
if (sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, &enable) != SQLITE_OK)
if (sqlite3_file_control(db, nullptr, SQLITE_FCNTL_PERSIST_WAL, &enable) != SQLITE_OK)
SQLiteError::throw_(db, "setting persistent WAL mode");
}

8
src/libstore/platform/darwin.cc
View file

@ -235,15 +235,15 @@ void DarwinLocalDerivationGoal::execBuilder(std::string builder, Strings args, S
if (drv->platform == "aarch64-darwin") {
// Unset kern.curproc_arch_affinity so we can escape Rosetta
int affinity = 0;
sysctlbyname("kern.curproc_arch_affinity", NULL, NULL, &affinity, sizeof(affinity));
sysctlbyname("kern.curproc_arch_affinity", nullptr, nullptr, &affinity, sizeof(affinity));
cpu_type_t cpu = CPU_TYPE_ARM64;
posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, NULL);
posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, nullptr);
} else if (drv->platform == "x86_64-darwin") {
cpu_type_t cpu = CPU_TYPE_X86_64;
posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, NULL);
posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, nullptr);
}
posix_spawn(NULL, builder.c_str(), NULL, &attrp, stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
posix_spawn(nullptr, builder.c_str(), nullptr, &attrp, stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
}
}

16
src/libutil/file-system.cc
View file

@ -21,22 +21,14 @@ Path absPath(Path path, std::optional<PathView> dir, bool resolveSymlinks)
{
if (path.empty() || path[0] != '/') {
if (!dir) {
#ifdef __GNU__
/* GNU (aka. GNU/Hurd) doesn't have any limitation on path
lengths and doesn't define `PATH_MAX'. */
char *buf = getcwd(NULL, 0);
if (buf == NULL)
#else
char buf[PATH_MAX];
if (!getcwd(buf, sizeof(buf)))
#endif
if (!getcwd(buf, sizeof(buf))) {
throw SysError("cannot get cwd");
}
path = concatStrings(buf, "/", path);
#ifdef __GNU__
free(buf);
#endif
} else
} else {
path = concatStrings(*dir, "/", path);
}
}
return canonPath(path, resolveSymlinks);
}

4
src/libutil/tarfile.cc
View file

@ -54,7 +54,7 @@ TarArchive::TarArchive(Source & source, bool raw) : buffer(65536)
archive_read_support_format_raw(archive);
archive_read_support_format_empty(archive);
}
archive_read_set_option(archive, NULL, "mac-ext", NULL);
archive_read_set_option(archive, nullptr, "mac-ext", nullptr);
check(archive_read_open(archive, (void *)this, callback_open, callback_read, callback_close), "Failed to open archive (%s)");
}
@ -65,7 +65,7 @@ TarArchive::TarArchive(const Path & path)
archive_read_support_filter_all(archive);
archive_read_support_format_all(archive);
archive_read_set_option(archive, NULL, "mac-ext", NULL);
archive_read_set_option(archive, nullptr, "mac-ext", nullptr);
check(archive_read_open_filename(archive, path.c_str(), 16384), "failed to open archive: %s");
}

15
src/nix/diff-closures.cc
View file

@ -24,24 +24,17 @@ GroupedPaths getClosureInfo(ref<Store> store, const StorePath & toplevel)
GroupedPaths groupedPaths;
for (auto & path : closure) {
for (auto const & path : closure) {
/* Strip the output name. Unfortunately this is ambiguous (we
can't distinguish between output names like "bin" and
version suffixes like "unstable"). */
static std::regex regex("(.*)-([a-z]+|lib32|lib64)");
std::smatch match;
std::cmatch match;
std::string name{path.name()};
// Used to keep name alive through being potentially overwritten below
// (to not invalidate the references from the regex result)
//
// n.b. cannot be just path.name().{begin,end}() since that returns const
// char *, which does not, for some reason, convert as required on
// libstdc++. Seems like a libstdc++ bug or standard bug to me... we
// can afford the allocation in any case.
const std::string origName{path.name()};
std::string_view const origName = path.name();
std::string outputName;
if (std::regex_match(origName, match, regex)) {
if (std::regex_match(origName.begin(), origName.end(), match, regex)) {
name = match[1];
outputName = match[2];
}

2
src/resolve-system-dependencies/resolve-system-dependencies.cc
View file

@ -48,7 +48,7 @@ std::set<std::string> runResolver(const Path & filename)
return {};
}
char* obj = (char*) mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd.get(), 0);
char* obj = (char*) mmap(nullptr, st.st_size, PROT_READ, MAP_SHARED, fd.get(), 0);
if (!obj)
throw SysError("mmapping '%s'", filename);