forked from OctaForge/libostd
remove internal/win32.hh and put environ stuff into a source file
parent
baa8ff1e64
commit
94814dc61e
2
build.cc
2
build.cc
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@ -40,7 +40,7 @@ static std::string ASM_SOURCES[] = {
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static fs::path CXX_SOURCE_DIR = "src";
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static std::string CXX_SOURCES[] = {
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"context_stack", "io", "concurrency"
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"context_stack", "environ", "io", "concurrency"
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};
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static fs::path TEST_DIR = "tests";
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@ -19,15 +19,11 @@
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#define OSTD_ENVIRON_HH
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#include "ostd/platform.hh"
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#include "ostd/internal/win32.hh"
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#include <cstdlib>
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#include <cstring>
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#include <vector>
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#include <optional>
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#include "ostd/string.hh"
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#include <optional>
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#include <string>
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namespace ostd {
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/** @addtogroup Utilities
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@ -46,15 +42,7 @@ namespace ostd {
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*
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* @see env_set(), env_unset()
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*/
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inline std::optional<std::string> env_get(string_range name) {
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char buf[256];
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auto tbuf = to_temp_cstr(name, buf, sizeof(buf));
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char const *ret = std::getenv(tbuf.get());
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if (!ret) {
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return std::nullopt;
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}
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return std::string{ret};
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}
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OSTD_EXPORT std::optional<std::string> env_get(string_range name);
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/** @brief Sets an environment variable.
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*
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@ -70,32 +58,7 @@ inline std::optional<std::string> env_get(string_range name) {
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*
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* @see env_get(), env_unset()
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*/
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inline bool env_set(
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string_range name, string_range value, bool update = true
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) {
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char sbuf[2048];
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char *buf = sbuf;
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bool alloc = (name.size() + value.size() + 2) > sizeof(sbuf);
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if (alloc) {
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buf = new char[name.size() + value.size() + 2];
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}
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memcpy(buf, name.data(), name.size());
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buf[name.size()] = '\0';
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memcpy(&buf[name.size() + 1], value.data(), value.size());
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buf[name.size() + value.size() + 1] = '\0';
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#ifndef OSTD_PLATFORM_WIN32
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bool ret = !setenv(buf, &buf[name.size() + 1], update);
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#else
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if (!update && GetEnvironmentVariable(buf, nullptr, 0)) {
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return true;
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}
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bool ret = !!SetEnvironmentVariable(buf, &buf[name.size() + 1]);
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#endif
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if (alloc) {
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delete[] buf;
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}
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return ret;
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}
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OSTD_EXPORT bool env_set(string_range name, string_range value, bool update = true);
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/** @brief Unsets an environment varible.
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*
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@ -107,23 +70,7 @@ inline bool env_set(
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*
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* @see env_get(), env_set()
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*/
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inline bool env_unset(string_range name) {
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char buf[256];
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if (name.size() < sizeof(buf)) {
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memcpy(buf, name.data(), name.size());
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buf[name.size()] = '\0';
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#ifndef OSTD_PLATFORM_WIN32
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return !unsetenv(buf);
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#else
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return !!SetEnvironmentVariable(buf, nullptr);
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#endif
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}
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#ifndef OSTD_PLATFORM_WIN32
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return !unsetenv(std::string{name}.data());
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#else
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return !!SetEnvironmentVariable(std::string{name}.data(), nullptr);
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#endif
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}
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OSTD_EXPORT bool env_unset(string_range name);
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/** @} */
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@ -1,15 +0,0 @@
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/* Windows includes.
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*
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* This file is part of libostd. See COPYING.md for futher information.
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*/
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#ifndef OSTD_INTERNAL_WIN32_HH
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#define OSTD_INTERNAL_WIN32_HH
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#if defined(WIN32) || defined(_WIN32) || (defined(__WIN32) && !defined(__CYGWIN__))
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#define WIN32_LEAN_AND_MEAN
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#define NOMINMAX
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#include <windows.h>
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#endif
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#endif
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@ -8,7 +8,6 @@
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#include <new>
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#include <mutex>
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#include "ostd/internal/win32.hh"
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#include "ostd/platform.hh"
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#include "ostd/context_stack.hh"
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@ -18,6 +17,9 @@
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# include <sys/resource.h>
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# include <sys/time.h>
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# include <signal.h>
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#else
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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#endif
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namespace ostd {
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@ -0,0 +1,72 @@
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/* Environment handling implementation bits.
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*
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* This file is part of libostd. See COPYING.md for futher information.
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*/
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#include <cstdlib>
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#include <cstring>
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#include <new>
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#include "ostd/environ.hh"
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#ifdef OSTD_PLATFORM_WIN32
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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#endif
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namespace ostd {
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OSTD_EXPORT std::optional<std::string> env_get(string_range name) {
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char buf[256];
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auto tbuf = to_temp_cstr(name, buf, sizeof(buf));
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char const *ret = std::getenv(tbuf.get());
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if (!ret) {
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return std::nullopt;
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}
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return std::string{ret};
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}
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OSTD_EXPORT bool env_set(string_range name, string_range value, bool update) {
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char sbuf[2048];
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char *buf = sbuf;
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bool alloc = (name.size() + value.size() + 2) > sizeof(sbuf);
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if (alloc) {
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buf = new char[name.size() + value.size() + 2];
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}
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std::memcpy(buf, name.data(), name.size());
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buf[name.size()] = '\0';
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std::memcpy(&buf[name.size() + 1], value.data(), value.size());
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buf[name.size() + value.size() + 1] = '\0';
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#ifndef OSTD_PLATFORM_WIN32
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bool ret = !setenv(buf, &buf[name.size() + 1], update);
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#else
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if (!update && GetEnvironmentVariable(buf, nullptr, 0)) {
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return true;
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}
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bool ret = !!SetEnvironmentVariable(buf, &buf[name.size() + 1]);
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#endif
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if (alloc) {
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delete[] buf;
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}
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return ret;
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}
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OSTD_EXPORT bool env_unset(string_range name) {
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char buf[256];
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if (name.size() < sizeof(buf)) {
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memcpy(buf, name.data(), name.size());
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buf[name.size()] = '\0';
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#ifndef OSTD_PLATFORM_WIN32
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return !unsetenv(buf);
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#else
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return !!SetEnvironmentVariable(buf, nullptr);
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#endif
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}
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#ifndef OSTD_PLATFORM_WIN32
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return !unsetenv(std::string{name}.data());
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#else
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return !!SetEnvironmentVariable(std::string{name}.data(), nullptr);
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#endif
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}
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} /* namespace ostd */
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