remove internal/win32.hh and put environ stuff into a source file

master
Daniel Kolesa 2017-05-02 00:03:42 +02:00
parent baa8ff1e64
commit 94814dc61e
5 changed files with 82 additions and 76 deletions

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@ -40,7 +40,7 @@ static std::string ASM_SOURCES[] = {
static fs::path CXX_SOURCE_DIR = "src";
static std::string CXX_SOURCES[] = {
"context_stack", "io", "concurrency"
"context_stack", "environ", "io", "concurrency"
};
static fs::path TEST_DIR = "tests";

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@ -19,15 +19,11 @@
#define OSTD_ENVIRON_HH
#include "ostd/platform.hh"
#include "ostd/internal/win32.hh"
#include <cstdlib>
#include <cstring>
#include <vector>
#include <optional>
#include "ostd/string.hh"
#include <optional>
#include <string>
namespace ostd {
/** @addtogroup Utilities
@ -46,15 +42,7 @@ namespace ostd {
*
* @see env_set(), env_unset()
*/
inline std::optional<std::string> env_get(string_range name) {
char buf[256];
auto tbuf = to_temp_cstr(name, buf, sizeof(buf));
char const *ret = std::getenv(tbuf.get());
if (!ret) {
return std::nullopt;
}
return std::string{ret};
}
OSTD_EXPORT std::optional<std::string> env_get(string_range name);
/** @brief Sets an environment variable.
*
@ -70,32 +58,7 @@ inline std::optional<std::string> env_get(string_range name) {
*
* @see env_get(), env_unset()
*/
inline bool env_set(
string_range name, string_range value, bool update = true
) {
char sbuf[2048];
char *buf = sbuf;
bool alloc = (name.size() + value.size() + 2) > sizeof(sbuf);
if (alloc) {
buf = new char[name.size() + value.size() + 2];
}
memcpy(buf, name.data(), name.size());
buf[name.size()] = '\0';
memcpy(&buf[name.size() + 1], value.data(), value.size());
buf[name.size() + value.size() + 1] = '\0';
#ifndef OSTD_PLATFORM_WIN32
bool ret = !setenv(buf, &buf[name.size() + 1], update);
#else
if (!update && GetEnvironmentVariable(buf, nullptr, 0)) {
return true;
}
bool ret = !!SetEnvironmentVariable(buf, &buf[name.size() + 1]);
#endif
if (alloc) {
delete[] buf;
}
return ret;
}
OSTD_EXPORT bool env_set(string_range name, string_range value, bool update = true);
/** @brief Unsets an environment varible.
*
@ -107,23 +70,7 @@ inline bool env_set(
*
* @see env_get(), env_set()
*/
inline bool env_unset(string_range name) {
char buf[256];
if (name.size() < sizeof(buf)) {
memcpy(buf, name.data(), name.size());
buf[name.size()] = '\0';
#ifndef OSTD_PLATFORM_WIN32
return !unsetenv(buf);
#else
return !!SetEnvironmentVariable(buf, nullptr);
#endif
}
#ifndef OSTD_PLATFORM_WIN32
return !unsetenv(std::string{name}.data());
#else
return !!SetEnvironmentVariable(std::string{name}.data(), nullptr);
#endif
}
OSTD_EXPORT bool env_unset(string_range name);
/** @} */

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@ -1,15 +0,0 @@
/* Windows includes.
*
* This file is part of libostd. See COPYING.md for futher information.
*/
#ifndef OSTD_INTERNAL_WIN32_HH
#define OSTD_INTERNAL_WIN32_HH
#if defined(WIN32) || defined(_WIN32) || (defined(__WIN32) && !defined(__CYGWIN__))
#define WIN32_LEAN_AND_MEAN
#define NOMINMAX
#include <windows.h>
#endif
#endif

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@ -8,7 +8,6 @@
#include <new>
#include <mutex>
#include "ostd/internal/win32.hh"
#include "ostd/platform.hh"
#include "ostd/context_stack.hh"
@ -18,6 +17,9 @@
# include <sys/resource.h>
# include <sys/time.h>
# include <signal.h>
#else
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif
namespace ostd {

72
src/environ.cc 100644
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@ -0,0 +1,72 @@
/* Environment handling implementation bits.
*
* This file is part of libostd. See COPYING.md for futher information.
*/
#include <cstdlib>
#include <cstring>
#include <new>
#include "ostd/environ.hh"
#ifdef OSTD_PLATFORM_WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif
namespace ostd {
OSTD_EXPORT std::optional<std::string> env_get(string_range name) {
char buf[256];
auto tbuf = to_temp_cstr(name, buf, sizeof(buf));
char const *ret = std::getenv(tbuf.get());
if (!ret) {
return std::nullopt;
}
return std::string{ret};
}
OSTD_EXPORT bool env_set(string_range name, string_range value, bool update) {
char sbuf[2048];
char *buf = sbuf;
bool alloc = (name.size() + value.size() + 2) > sizeof(sbuf);
if (alloc) {
buf = new char[name.size() + value.size() + 2];
}
std::memcpy(buf, name.data(), name.size());
buf[name.size()] = '\0';
std::memcpy(&buf[name.size() + 1], value.data(), value.size());
buf[name.size() + value.size() + 1] = '\0';
#ifndef OSTD_PLATFORM_WIN32
bool ret = !setenv(buf, &buf[name.size() + 1], update);
#else
if (!update && GetEnvironmentVariable(buf, nullptr, 0)) {
return true;
}
bool ret = !!SetEnvironmentVariable(buf, &buf[name.size() + 1]);
#endif
if (alloc) {
delete[] buf;
}
return ret;
}
OSTD_EXPORT bool env_unset(string_range name) {
char buf[256];
if (name.size() < sizeof(buf)) {
memcpy(buf, name.data(), name.size());
buf[name.size()] = '\0';
#ifndef OSTD_PLATFORM_WIN32
return !unsetenv(buf);
#else
return !!SetEnvironmentVariable(buf, nullptr);
#endif
}
#ifndef OSTD_PLATFORM_WIN32
return !unsetenv(std::string{name}.data());
#else
return !!SetEnvironmentVariable(std::string{name}.data(), nullptr);
#endif
}
} /* namespace ostd */