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Enable util_tests.cpp on Windows #390

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b8c80a5
Enable util_tests.cpp on Windows
aobolensk May 14, 2025
1068154
Fix getenv
aobolensk May 29, 2025
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16 changes: 8 additions & 8 deletions modules/core/util/func_tests/util_tests.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6,22 +6,25 @@

#include "core/util/include/util.hpp"

#ifdef _WIN32
#include <Windows.h>
inline int unsetenv(const char* name) { return SetEnvironmentVariableA(name, NULL) ? 0 : -1; }
inline int setenv(const char* name, const char* value, int /*overwrite*/) {
return SetEnvironmentVariableA(name, value) ? 0 : -1;
}
#endif

TEST(util_tests, check_unset_env) {
#ifndef _WIN32
int save_var = ppc::util::GetPPCNumThreads();

unsetenv("PPC_NUM_THREADS"); // NOLINT(concurrency-mt-unsafe)

EXPECT_EQ(ppc::util::GetPPCNumThreads(), 1);

setenv("PPC_NUM_THREADS", std::to_string(save_var).c_str(), 1); // NOLINT(concurrency-mt-unsafe)
#else
GTEST_SKIP();
#endif
}

TEST(util_tests, check_set_env) {
#ifndef _WIN32
int save_var = ppc::util::GetPPCNumThreads();

const int num_threads = static_cast<int>(std::thread::hardware_concurrency());
Expand All @@ -30,7 +33,4 @@ TEST(util_tests, check_set_env) {
EXPECT_EQ(ppc::util::GetPPCNumThreads(), num_threads);

setenv("PPC_NUM_THREADS", std::to_string(save_var).c_str(), 1); // NOLINT(concurrency-mt-unsafe)
#else
GTEST_SKIP();
#endif
}
28 changes: 9 additions & 19 deletions modules/core/util/src/util.cpp
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Original file line number Diff line number Diff line change
@@ -1,13 +1,7 @@
#define _CRT_SECURE_NO_WARNINGS
#include "core/util/include/util.hpp"

#include <cstdlib>
#ifdef _WIN32
#include <cstdint>
#include <iostream>
#include <memory>
#include <vector>
#endif

#include <filesystem>
#include <string>

Expand All @@ -17,17 +11,13 @@ std::string ppc::util::GetAbsolutePath(const std::string &relative_path) {
}

int ppc::util::GetPPCNumThreads() {
#ifdef _WIN32
size_t len;
char omp_env[100];
errno_t err = getenv_s(&len, omp_env, sizeof(omp_env), "PPC_NUM_THREADS");
if (err != 0 || len == 0) {
omp_env[0] = '\0';
const char *env = std::getenv("PPC_NUM_THREADS"); // NOLINT(concurrency-mt-unsafe)
if ((env != nullptr) && (*env != 0)) {
char *endptr = nullptr;
long val = std::strtol(env, &endptr, 10);
if (endptr != env && val > 0) {
return static_cast<int>(val);
}
}
int num_threads = std::atoi(omp_env);
#else
const char *omp_env = std::getenv("PPC_NUM_THREADS"); // NOLINT(concurrency-mt-unsafe)
int num_threads = (omp_env != nullptr) ? std::atoi(omp_env) : 1;
#endif
return num_threads;
return 1;
}
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