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db.cpp
1406 lines (1266 loc) · 38.7 KB
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db.cpp
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#include <memory>
#include <algorithm>
#include <utility>
#include <stdlib.h>
#include <limits.h>
#include "main.h"
#ifdef PKGDEPDB_ENABLE_THREADS
# include <atomic>
# include <thread>
# include <future>
# include <unistd.h>
#endif
#ifdef PKGDEPDB_ENABLE_ALPM
# include <alpm.h>
#endif
#include "elf.h"
#include "package.h"
#include "db.h"
#include "filter.h"
namespace pkgdepdb {
string strref::empty("");
DB::DB(const Config& optconfig)
: config_(optconfig) {
loaded_version_ = DB::CURRENT;
contains_package_depends_ = false;
contains_make_depends_ = false;
contains_check_depends_ = false;
contains_groups_ = false;
contains_filelists_ = false;
contains_pkgbase_ = false;
strict_linking_ = false;
}
DB::~DB() {
for (auto &pkg : packages_)
delete pkg;
}
template<typename T>
static void stdreplace(T &what, const T &with) {
what.~T();
new (&what) T(with);
}
DB::DB(bool wiped, const DB ©)
: name_ (copy.name_),
library_path_ (copy.library_path_),
ignore_file_rules_ (copy.ignore_file_rules_),
package_library_path_(copy.package_library_path_),
base_packages_ (copy.base_packages_),
config_ (copy.config_)
{
loaded_version_ = copy.loaded_version_;
strict_linking_ = copy.strict_linking_;
if (!wiped) {
stdreplace(packages_, copy.packages_);
stdreplace(objects_, copy.objects_);
}
}
PackageList::const_iterator DB::FindPkg_i(const string& name) const {
return std::find_if(packages_.begin(), packages_.end(),
[&name](const Package *pkg) { return pkg->name_ == name; });
}
Package* DB::FindPkg(const string& name) const {
auto pkg = FindPkg_i(name);
return (pkg != packages_.end()) ? *pkg : nullptr;
}
bool DB::WipePackages() {
if (Empty())
return false;
objects_.clear();
packages_.clear();
contains_package_depends_ = false;
contains_make_depends_ = false;
contains_check_depends_ = false;
contains_groups_ = false;
contains_filelists_ = false;
contains_pkgbase_ = false;
return true;
}
bool DB::WipeFilelists() {
bool hadfiles = contains_filelists_;
for (auto &pkg : packages_) {
if (!pkg->filelist_.empty()) {
pkg->filelist_.clear();
hadfiles = true;
}
}
contains_filelists_ = false;
return hadfiles;
}
const StringList* DB::GetObjectLibPath(const Elf *elf) const {
return elf->owner_ ? GetPackageLibPath(elf->owner_) : nullptr;
}
const StringList* DB::GetPackageLibPath(const Package *pkg) const {
if (!package_library_path_.size())
return nullptr;
auto iter = package_library_path_.find(pkg->name_);
if (iter != package_library_path_.end())
return &iter->second;
return nullptr;
}
bool DB::DeletePackage(const string& name, bool destroy) {
return DeletePackage(FindPkg_i(name), destroy);
}
bool DB::DeletePackage(PackageList::const_iterator pkgiter, bool destroy) {
if (pkgiter == packages_.end())
return true;
const Package *old = *pkgiter;
packages_.erase(packages_.begin() + (pkgiter - packages_.begin()));
for (auto &elfsp : old->objects_) {
Elf *elf = elfsp.get();
// remove the object from the list
objects_.erase(std::remove(objects_.begin(), objects_.end(), elf),
objects_.end());
}
for (auto &seeker : objects_) {
for (auto &elfsp : old->objects_) {
Elf *elf = elfsp.get();
// for each object which depends on this object,
// search for a replacing object
auto ref = std::find(seeker->req_found_.begin(),
seeker->req_found_.end(),
elf);
if (ref == seeker->req_found_.end())
continue;
seeker->req_found_.erase(ref);
const StringList *libpaths = GetObjectLibPath(seeker);
if (Elf *other = FindFor (seeker, elf->basename_, libpaths))
seeker->req_found_.insert(other);
else
seeker->req_missing_.insert(elf->basename_);
}
}
if (destroy)
delete old;
objects_.erase(
std::remove_if(objects_.begin(), objects_.end(),
[](rptr<Elf> &obj) { return 1 == obj->refcount_; }),
objects_.end());
return true;
}
static bool pathlist_contains(const string& list, const string& path) {
size_t at = 0;
size_t to = list.find_first_of(':', 0);
while (to != string::npos) {
if (list.compare(at, to-at, path) == 0)
return true;
at = to+1;
to = list.find_first_of(':', at);
}
if (list.compare(at, string::npos, path) == 0)
return true;
return false;
}
bool DB::ElfFinds(const Elf *elf, const string& path,
const StringList *extrapaths) const
{
// DT_RPATH first
if (elf->rpath_set_ && pathlist_contains(elf->rpath_, path))
return true;
// LD_LIBRARY_PATH - ignored
// DT_RUNPATH
if (elf->runpath_set_ && pathlist_contains(elf->runpath_, path))
return true;
// Trusted Paths
if (path == "/lib" ||
path == "/usr/lib")
{
return true;
}
if (std::find(library_path_.begin(), library_path_.end(), path)
!= library_path_.end())
{
return true;
}
if (extrapaths) {
if (std::find(extrapaths->begin(), extrapaths->end(), path)
!= extrapaths->end())
{
return true;
}
}
return false;
}
bool DB::InstallPackage(Package* &&pkg) {
if (!DeletePackage(pkg->name_))
return false;
packages_.push_back(pkg);
if (!pkg->depends_.empty() ||
!pkg->optdepends_.empty() ||
!pkg->replaces_.empty() ||
!pkg->conflicts_.empty() ||
!pkg->provides_.empty())
{
contains_package_depends_ = true;
}
if (!pkg->makedepends_.empty())
contains_make_depends_ = true;
if (!pkg->checkdepends_.empty())
contains_check_depends_ = true;
if (pkg->groups_.size())
contains_groups_ = true;
if (pkg->filelist_.size())
contains_filelists_ = true;
if (!pkg->pkgbase_.empty())
contains_pkgbase_ = true;
const StringList *libpaths = GetPackageLibPath(pkg);
for (auto &obj : pkg->objects_)
objects_.push_back(obj);
// loop anew since we need to also be able to found our own packages
for (auto &obj : pkg->objects_)
LinkObject_do(obj, pkg);
// check for packages which are looking for any of our packages
for (auto &seeker : objects_) {
for (auto &obj : pkg->objects_) {
if (!seeker->CanUse(*obj, strict_linking_) ||
!ElfFinds(seeker, obj->dirname_, libpaths))
{
continue;
}
if (0 != seeker->req_missing_.erase(obj->basename_))
seeker->req_found_.insert(obj);
}
}
return true;
}
Elf* DB::FindFor(const Elf *obj, const string& needed,
const StringList *extrapath) const
{
config_.Log(Debug, "dependency of %s/%s : %s\n",
obj->dirname_.c_str(), obj->basename_.c_str(), needed.c_str());
for (auto &lib : objects_) {
if (!obj->CanUse(*lib, strict_linking_)) {
config_.Log(Debug, " skipping %s/%s (objclass)\n",
lib->dirname_.c_str(), lib->basename_.c_str());
continue;
}
if (lib->basename_ != needed) {
config_.Log(Debug, " skipping %s/%s (wrong name)\n",
lib->dirname_.c_str(), lib->basename_.c_str());
continue;
}
if (!ElfFinds(obj, lib->dirname_, extrapath)) {
config_.Log(Debug, " skipping %s/%s (not visible)\n",
lib->dirname_.c_str(), lib->basename_.c_str());
continue;
}
// same class, same name, and visible...
return lib;
}
return 0;
}
void DB::LinkObject_do(Elf *obj, const Package *owner) {
obj->req_found_.clear();
obj->req_missing_.clear();
LinkObject(obj, owner, obj->req_found_, obj->req_missing_);
}
void DB::LinkObject(Elf *obj, const Package *owner,
ObjectSet &req_found, StringSet &req_missing) const
{
if (ignore_file_rules_.size()) {
string full = obj->dirname_ + "/" + obj->basename_;
if (ignore_file_rules_.find(full) != ignore_file_rules_.end())
return;
}
const StringList *libpaths = GetPackageLibPath(owner);
for (auto &needed : obj->needed_) {
Elf *found = FindFor (obj, needed, libpaths);
if (found)
req_found.insert(found);
else if (assume_found_rules_.find(needed) == assume_found_rules_.end())
req_missing.insert(needed);
}
}
#ifdef PKGDEPDB_ENABLE_THREADS
namespace thread {
static unsigned int ncpus_init() {
long v = sysconf(_SC_NPROCESSORS_CONF);
return (v <= 0 ? 1 : (unsigned int)v);
}
static unsigned int ncpus = ncpus_init();
using status_printer_func_t =
void (unsigned long at, unsigned long count, unsigned long threads);
template<typename PerThread>
using worker_func_t =
void(std::atomic_ulong*, size_t from, size_t to, PerThread&);
template<typename PerThread>
using merger_func_t = void(vec<PerThread>&&);
template<typename PerThread>
void work(unsigned long Count,
function<status_printer_func_t> StatusPrinter,
function<worker_func_t<PerThread>> Worker,
function<merger_func_t<PerThread>> Merger,
const Config& Config)
{
unsigned long threadcount = thread::ncpus;
if (Config.max_jobs_ >= 1 && Config.max_jobs_ < threadcount)
threadcount = Config.max_jobs_;
unsigned long obj_per_thread = Count / threadcount;
if (!Config.quiet_)
StatusPrinter(0, Count, threadcount);
if (threadcount == 1) {
for (unsigned long i = 0; i != Count; ++i) {
PerThread Data;
Worker(nullptr, i, i+1, Data);
if (!Config.quiet_)
StatusPrinter(i, Count, 1);
}
return;
}
// data created by threads, to be merged in the merger
vec<PerThread> Data;
Data.resize(threadcount);
std::atomic_ulong counter(0);
vec<std::thread*> threads;
unsigned long i;
for (i = 0; i != threadcount-1; ++i) {
threads.emplace_back(
new std::thread(Worker,
&counter,
i*obj_per_thread,
i*obj_per_thread + obj_per_thread,
std::ref(Data[i])));
}
threads.emplace_back(
new std::thread(Worker,
&counter,
i*obj_per_thread, Count,
std::ref(Data[i])));
if (!Config.quiet_) {
unsigned long c = 0;
while (c != Count) {
c = counter.load();
StatusPrinter(c, Count, threadcount);
usleep(100000);
}
}
for (i = 0; i != threadcount; ++i) {
threads[i]->join();
delete threads[i];
}
Merger(move(Data));
if (!Config.quiet_)
StatusPrinter(Count, Count, threadcount);
}
} // namespace thread
void DB::RelinkAll_Threaded() {
//using FoundMap = std::map<Elf*, ObjectSet>;
//using MissingMap = std::map<Elf*, StringSet>;
//using Tuple = std::tuple<FoundMap, MissingMap>;
auto worker = [this](std::atomic_ulong *count, size_t from, size_t to, int&)
{
//FoundMap *f = &std::get<0>(tup);
//MissingMap *m = &std::get<1>(tup);
for (size_t i = from; i != to; ++i) {
const Package *pkg = this->packages_[i];
for (auto &obj : pkg->objects_) {
this->LinkObject_do(obj, pkg);
//ObjectSet req_found;
//StringSet req_missing;
//this->LinkObject(obj, pkg, req_found, req_missing);
//(*f)[obj] = move(req_found);
//(*m)[obj] = move(req_missing);
}
if (count && !config_.quiet_)
(*count)++;
}
};
auto merger = [this](vec<int> &&) {
//for (auto &t : tup) {
// FoundMap &found = std::get<0>(t);
// MissingMap &missing = std::get<1>(t);
// for (auto &f : found)
// f.first->req_found = move(f.second);
// for (auto &m : missing)
// m.first->req_missing = move(m.second);
//}
};
double fac = 100.0 / double(packages_.size());
unsigned int pc = 1000;
auto status = [fac, &pc](unsigned long at, unsigned long cnt,
unsigned long threadcount)
{
auto newpc = (unsigned int)(fac * double(at));
if (newpc == pc)
return;
pc = newpc;
printf("\rrelinking: %3u%% (%lu / %lu packages) [%lu]",
pc, at, cnt, threadcount);
fflush(stdout);
if (at == cnt)
printf("\n");
};
thread::work<int>(packages_.size(), status, worker, merger, config_);
}
#endif
void DB::RelinkAll() {
if (!packages_.size())
return;
#ifdef PKGDEPDB_ENABLE_THREADS
if (config_.max_jobs_ != 1 &&
thread::ncpus > 1 &&
packages_.size() > 100 &&
objects_.size() >= 300)
{
return RelinkAll_Threaded();
}
#endif
unsigned long pkgcount = packages_.size();
double fac = 100.0 / double(pkgcount);
unsigned long count = 0;
unsigned int pc = 0;
if (!config_.quiet_) {
printf("relinking: 0%% (0 / %lu packages)", pkgcount);
fflush(stdout);
}
for (auto &pkg : packages_) {
for (auto &obj : pkg->objects_) {
LinkObject_do(obj, pkg);
}
if (!config_.quiet_) {
++count;
auto newpc = (unsigned int)(fac * double(count));
if (newpc != pc) {
pc = newpc;
printf("\rrelinking: %3u%% (%lu / %lu packages)",
pc, count, pkgcount);
fflush(stdout);
}
}
}
if (!config_.quiet_) {
printf("\rrelinking: 100%% (%lu / %lu packages)\n",
count, pkgcount);
}
}
void DB::FixPaths() {
for (auto &obj : objects_) {
fixpathlist(obj->rpath_);
fixpathlist(obj->runpath_);
}
}
bool DB::Empty() const {
return packages_.size() == 0 &&
objects_.size() == 0;
}
bool DB::LD_Clear() {
if (library_path_.size()) {
library_path_.clear();
return true;
}
return false;
}
static string fixcpath(const string& dir) {
string s(dir);
fixpath(s);
return move(dir);
}
bool DB::LD_Append(const string& dir) {
return LD_Insert(fixcpath(dir), library_path_.size());
}
bool DB::LD_Prepend(const string& dir) {
return LD_Insert(fixcpath(dir), 0);
}
bool DB::LD_Delete(size_t i) {
if (!library_path_.size() || i >= library_path_.size())
return false;
library_path_.erase(library_path_.begin() + i);
return true;
}
bool DB::LD_Delete(const string& dir_) {
if (!dir_.length())
return false;
if (dir_[0] >= '0' && dir_[0] <= '9') {
return LD_Delete(strtoul(dir_.c_str(), nullptr, 0));
}
string dir(dir_);
fixpath(dir);
auto old = std::find(library_path_.begin(), library_path_.end(), dir);
if (old != library_path_.end()) {
library_path_.erase(old);
return true;
}
return false;
}
bool DB::LD_Insert(const string& dir_, size_t i) {
string dir(dir_);
fixpath(dir);
if (i > library_path_.size())
i = library_path_.size();
auto old = std::find(library_path_.begin(), library_path_.end(), dir);
if (old == library_path_.end()) {
library_path_.insert(library_path_.begin() + i, dir);
return true;
}
size_t oldidx = old - library_path_.begin();
if (oldidx == i)
return false;
// exists
library_path_.erase(old);
if (oldidx < i)
--i;
library_path_.insert(library_path_.begin() + i, dir);
return true;
}
bool DB::PKG_LD_Insert(const string& package,
const string& directory,
size_t i)
{
string dir(directory);
fixpath(dir);
StringList &path(package_library_path_[package]);
if (i > path.size())
i = path.size();
auto old = std::find(path.begin(), path.end(), dir);
if (old == path.end()) {
path.insert(path.begin() + i, dir);
return true;
}
size_t oldidx = old - path.begin();
if (oldidx == i)
return false;
// exists
path.erase(old);
path.insert(path.begin() + i, dir);
return true;
}
bool DB::PKG_LD_Delete(const string& package, const string& directory) {
string dir(directory);
fixpath(dir);
auto iter = package_library_path_.find(package);
if (iter == package_library_path_.end())
return false;
StringList &path(iter->second);
auto old = std::find(path.begin(), path.end(), dir);
if (old != path.end()) {
path.erase(old);
if (!path.size())
package_library_path_.erase(iter);
return true;
}
return false;
}
bool DB::PKG_LD_Delete(const string& package, size_t i) {
auto iter = package_library_path_.find(package);
if (iter == package_library_path_.end())
return false;
StringList &path(iter->second);
if (i >= path.size())
return false;
path.erase(path.begin()+i);
if (!path.size())
package_library_path_.erase(iter);
return true;
}
bool DB::PKG_LD_Clear(const string& package) {
auto iter = package_library_path_.find(package);
if (iter == package_library_path_.end())
return false;
package_library_path_.erase(iter);
return true;
}
bool DB::IgnoreFile_Add(const string& filename) {
return std::get<1>(ignore_file_rules_.insert(fixcpath(filename)));
}
bool DB::IgnoreFile_Delete(const string& filename) {
return (ignore_file_rules_.erase(fixcpath(filename)) > 0);
}
bool DB::IgnoreFile_Delete(size_t id) {
if (id >= ignore_file_rules_.size())
return false;
auto iter = ignore_file_rules_.begin();
while (id) {
++iter;
--id;
}
ignore_file_rules_.erase(iter);
return true;
}
bool DB::AssumeFound_Add(const string& name) {
return std::get<1>(assume_found_rules_.insert(name));
}
bool DB::AssumeFound_Delete(const string& name) {
return (assume_found_rules_.erase(name) > 0);
}
bool DB::AssumeFound_Delete(size_t id) {
if (id >= assume_found_rules_.size())
return false;
auto iter = assume_found_rules_.begin();
while (id) {
++iter;
--id;
}
assume_found_rules_.erase(iter);
return true;
}
bool DB::BasePackages_Add(const string& name) {
return std::get<1>(base_packages_.insert(name));
}
bool DB::BasePackages_Delete(const string& name) {
return (base_packages_.erase(name) > 0);
}
bool DB::BasePackages_Delete(size_t id) {
if (id >= base_packages_.size())
return false;
auto iter = base_packages_.begin();
while (id) {
++iter;
--id;
}
base_packages_.erase(iter);
return true;
}
void DB::ShowInfo() {
if (config_.json_ & JSONBits::Query)
return ShowInfo_json();
printf("DB version: %u\n", loaded_version_);
printf("DB name: [%s]\n", name_.c_str());
printf("DB flags: { %s }\n",
(strict_linking_ ? "strict" : "non_strict"));
printf("Additional Library Paths:\n");
unsigned id = 0;
for (auto &p : library_path_)
printf(" %u: %s\n", id++, p.c_str());
if (ignore_file_rules_.size()) {
printf("Ignoring the following files:\n");
id = 0;
for (auto &ign : ignore_file_rules_)
printf(" %u: %s\n", id++, ign.c_str());
}
if (assume_found_rules_.size()) {
printf("Assuming the following libraries to exist:\n");
id = 0;
for (auto &ign : assume_found_rules_)
printf(" %u: %s\n", id++, ign.c_str());
}
if (package_library_path_.size()) {
printf("Package-specific library paths:\n");
id = 0;
for (auto &iter : package_library_path_) {
printf(" %s:\n", iter.first.c_str());
id = 0;
for (auto &path : iter.second)
printf(" %u: %s\n", id++, path.c_str());
}
}
if (base_packages_.size()) {
printf("The following packages are base packages:\n");
id = 0;
for (auto &p : base_packages_)
printf(" %u: %s\n", id++, p.c_str());
}
}
bool DB::IsBroken(const Elf *obj) const {
return obj->req_missing_.size() != 0;
}
bool DB::IsEmpty(const Package *pkg, const ObjFilterList &filters) const {
size_t vis = 0;
for (auto &obj : pkg->objects_) {
if (util::all(filters, *this, *obj))
++vis;
}
return vis == 0;
}
bool DB::IsBroken(const Package *pkg) const {
for (auto &obj : pkg->objects_) {
if (IsBroken(obj))
return true;
}
return false;
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wformat-nonliteral"
static void ShowDependList(const char *fmt, const DependList& lst) {
for (const auto &dep : lst)
printf(fmt, std::get<0>(dep).c_str(), std::get<1>(dep).c_str());
}
#pragma clang diagnostic pop
void DB::ShowPackages(bool filter_broken,
bool filter_notempty,
const FilterList &pkg_filters,
const ObjFilterList &obj_filters)
{
if (config_.json_ & JSONBits::Query)
return ShowPackages_json(filter_broken, filter_notempty,
pkg_filters, obj_filters);
if (!config_.quiet_)
printf("Packages:%s\n", (filter_broken ? " (filter: 'broken')" : ""));
for (auto &pkg : packages_) {
if (!util::all(pkg_filters, *this, *pkg))
continue;
if (filter_broken && !IsBroken(pkg))
continue;
if (filter_notempty && IsEmpty(pkg, obj_filters))
continue;
if (config_.quiet_)
printf("%s\n", pkg->name_.c_str());
else
printf(" -> %s - %s\n", pkg->name_.c_str(), pkg->version_.c_str());
if (config_.verbosity_ >= 1) {
if (!pkg->pkgbase_.empty())
printf(" package base: %s\n", pkg->pkgbase_.c_str());
for (auto &grp : pkg->groups_)
printf(" is in group: %s\n", grp.c_str());
ShowDependList(" depends on: %s%s\n", pkg->depends_);
ShowDependList(" depends optionally on: %s%s\n", pkg->optdepends_);
ShowDependList(" depends at buildtime on: %s%s\n", pkg->makedepends_);
ShowDependList(" check depends on: %s%s\n", pkg->checkdepends_);
ShowDependList(" provides: %s%s\n", pkg->provides_);
ShowDependList(" replaces: %s%s\n", pkg->replaces_);
ShowDependList(" conflicts with: %s%s\n", pkg->conflicts_);
if (filter_broken) {
for (auto &obj : pkg->objects_) {
if (!util::all(obj_filters, *this, *obj))
continue;
if (IsBroken(obj)) {
printf(" broken: %s / %s\n",
obj->dirname_.c_str(), obj->basename_.c_str());
if (config_.verbosity_ >= 2) {
for (auto &missing : obj->req_missing_)
printf(" misses: %s\n", missing.c_str());
}
}
}
}
else {
for (auto &obj : pkg->objects_) {
if (!util::all(obj_filters, *this, *obj))
continue;
printf(" contains %s / %s\n",
obj->dirname_.c_str(), obj->basename_.c_str());
}
}
}
}
}
void DB::ShowObjects(const FilterList &pkg_filters,
const ObjFilterList &obj_filters)
{
if (config_.json_ & JSONBits::Query)
return ShowObjects_json(pkg_filters, obj_filters);
if (!objects_.size()) {
if (!config_.quiet_)
printf("Objects: none\n");
return;
}
if (!config_.quiet_)
printf("Objects:\n");
for (auto &obj : objects_) {
if (!util::all(obj_filters, *this, *obj))
continue;
if (pkg_filters.size() &&
(!obj->owner_ || !util::all(pkg_filters, *this, *obj->owner_)))
continue;
if (config_.quiet_)
printf("%s/%s\n", obj->dirname_.c_str(), obj->basename_.c_str());
else
printf(" -> %s / %s\n", obj->dirname_.c_str(), obj->basename_.c_str());
if (config_.verbosity_ < 1)
continue;
printf(" class: %u (%s)\n"
" data: %u (%s)\n"
" osabi: %u (%s)\n",
(unsigned)obj->ei_class_, obj->classString(),
(unsigned)obj->ei_data_, obj->dataString(),
(unsigned)obj->ei_osabi_, obj->osabiString());
if (obj->rpath_set_)
printf(" rpath: %s\n", obj->rpath_.c_str());
if (obj->runpath_set_)
printf(" runpath: %s\n", obj->runpath_.c_str());
if (obj->interpreter_.length())
printf(" interpreter: %s\n", obj->interpreter_.c_str());
if (config_.verbosity_ < 2)
continue;
printf(" finds:\n"); {
for (auto &found : obj->req_found_)
printf(" -> %s / %s\n",
found->dirname_.c_str(), found->basename_.c_str());
}
printf(" misses:\n"); {
for (auto &miss : obj->req_missing_)
printf(" -> %s\n", miss.c_str());
}
}
}
void DB::ShowMissing() {
if (config_.json_ & JSONBits::Query)
return ShowMissing_json();
if (!config_.quiet_)
printf("Missing:\n");
for (Elf *obj : objects_) {
if (obj->req_missing_.empty())
continue;
if (config_.quiet_)
printf("%s/%s\n", obj->dirname_.c_str(), obj->basename_.c_str());
else
printf(" -> %s / %s\n", obj->dirname_.c_str(), obj->basename_.c_str());
for (auto &s : obj->req_missing_) {
printf(" misses: %s\n", s.c_str());
}
}
}
void DB::ShowFound() {
if (config_.json_ & JSONBits::Query)
return ShowFound_json();
if (!config_.quiet_)
printf("Found:\n");
for (Elf *obj : objects_) {
if (obj->req_found_.empty())
continue;
if (config_.quiet_)
printf("%s/%s\n", obj->dirname_.c_str(), obj->basename_.c_str());
else
printf(" -> %s / %s\n", obj->dirname_.c_str(), obj->basename_.c_str());
for (auto &s : obj->req_found_)
printf(" finds: %s\n", s->basename_.c_str());
}
}
void DB::ShowFilelist(const FilterList &pkg_filters,
const StrFilterList &str_filters)
{
if (config_.json_ & JSONBits::Query)
return ShowFilelist_json(pkg_filters, str_filters);
for (auto &pkg : packages_) {
if (!util::all(pkg_filters, *this, *pkg))
continue;
for (auto &file : pkg->filelist_) {
if (!util::all(str_filters, file))
continue;
if (!config_.quiet_)
printf("%s ", pkg->name_.c_str());
printf("%s\n", file.c_str());
}
}
}
void split_dependency(const string &full, string &dep, string &constraint) {
auto c = full.find_first_of("<>=!");
if (c == string::npos) {
dep = full;
constraint.clear();
return;
}
dep = full.substr(0, c);
constraint = full.substr(c);
}
#ifdef PKGDEPDB_ENABLE_ALPM
void split_constraint(const string &full, string &op, string &ver) {
op.clear();
ver.clear();
if (!full.length())
return;
op.append(1, full[0]);
if (full[1] == '=') {
op.append(1, full[1]);
ver = full.substr(2);
}
else
ver = full.substr(1);
}
static bool version_op(const string &op, const char *v1, const char *v2) {
int res = alpm_pkg_vercmp(v1, v2);
if ( (op == "=" && res == 0) ||
(op == "!=" && res != 0) ||
(op == ">" && res > 0) ||
(op == ">=" && res >= 0) ||
(op == "<" && res < 0) ||
(op == "<=" && res <= 0) )
{
return true;
}
return false;
}
static bool version_satisfies(const string &dop,
const string &dver,
const string &pop,
const string &pver)
{
// does the provided version pver satisfy the required version hver?
int ret = alpm_pkg_vercmp(dver.c_str(), pver.c_str());
if (dop == pop) {
// want exact version, provided exact version
if (dop == "=") return ret == 0;
// don't want some exact version (very odd case)
if (dop == "!=") return ret != 0;
// depending on >= A, so the provided must be >= A
if (dop == ">=") return ret < 0;
// and so on
if (dop == ">") return ret <= 0;