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util: Add StripRedundantLastElementsOfPath function

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Co-authored-by: saibato <saibato.naga@pm.me>
Co-authored-by: MarcoFalke <falke.marco@gmail.com>

Github-Pull: 20080
Rebased-From: b19e88230f0e93e95e883e65376963cb9c36f606
This commit is contained in:
Hennadii Stepanov 2020-10-16 18:06:14 +03:00 committed by fanquake
parent 8ef0dace86
commit 09261de6ed
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2 changed files with 38 additions and 0 deletions
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22
src/test/util_tests.cpp
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@ -41,6 +41,28 @@ namespace BCLog {
BOOST_FIXTURE_TEST_SUITE(util_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(util_datadir)
{
ClearDatadirCache();
const fs::path dd_norm = GetDataDir();
gArgs.ForceSetArg("-datadir", dd_norm.string() + "/");
ClearDatadirCache();
BOOST_CHECK_EQUAL(dd_norm, GetDataDir());
gArgs.ForceSetArg("-datadir", dd_norm.string() + "/.");
ClearDatadirCache();
BOOST_CHECK_EQUAL(dd_norm, GetDataDir());
gArgs.ForceSetArg("-datadir", dd_norm.string() + "/./");
ClearDatadirCache();
BOOST_CHECK_EQUAL(dd_norm, GetDataDir());
gArgs.ForceSetArg("-datadir", dd_norm.string() + "/.//");
ClearDatadirCache();
BOOST_CHECK_EQUAL(dd_norm, GetDataDir());
}
BOOST_AUTO_TEST_CASE(util_criticalsection)
{
RecursiveMutex cs;

16
src/util/system.cpp
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@ -29,6 +29,7 @@
#endif // __linux__
#include <algorithm>
#include <cassert>
#include <fcntl.h>
#include <sched.h>
#include <sys/resource.h>
@ -579,6 +580,19 @@ fs::path GetDefaultDataDir()
#endif
}
namespace {
fs::path StripRedundantLastElementsOfPath(const fs::path& path)
{
auto result = path;
while (result.filename().string() == ".") {
result = result.parent_path();
}
assert(fs::equivalent(result, path));
return result;
}
} // namespace
static fs::path g_blocks_path_cache_net_specific;
static fs::path pathCached;
static fs::path pathCachedNetSpecific;
@ -606,6 +620,7 @@ const fs::path &GetBlocksDir()
path /= BaseParams().DataDir();
path /= "blocks";
fs::create_directories(path);
path = StripRedundantLastElementsOfPath(path);
return path;
}
@ -636,6 +651,7 @@ const fs::path &GetDataDir(bool fNetSpecific)
fs::create_directories(path / "wallets");
}
path = StripRedundantLastElementsOfPath(path);
return path;
}