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FilePath: Added ability to retreive exectuable file path.

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Бранимир Караџић
2023-06-29 22:23:10 -07:00
parent 781ad4a290
commit db15e54924
3 changed files with 65 additions and 19 deletions
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7
include/bx/filepath.h
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@@ -23,9 +23,10 @@ namespace bx
/// Special OS directories:
enum Enum
{
Current, //!< Current directory.
Temp, //!< Temporary directory.
Home, //!< User's home directory.
Current, //!< Current directory.
Executable, //!< Executable file path.
Home, //!< User's home directory.
Temp, //!< Temporary directory.
Count
};

50
src/filepath.cpp
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@@ -16,7 +16,8 @@
#endif // !BX_CRT_NONE
#if BX_PLATFORM_WINDOWS
extern "C" __declspec(dllimport) unsigned long __stdcall GetTempPathA(unsigned long _max, char* _ptr);
extern "C" __declspec(dllimport) unsigned long __stdcall GetModuleFileNameA(void* _module, char* _outFilePath, unsigned long _size);
extern "C" __declspec(dllimport) unsigned long __stdcall GetTempPathA(unsigned long _max, char* _outFilePath);
#endif // BX_PLATFORM_WINDOWS
namespace bx
@@ -180,7 +181,7 @@ namespace bx
return ::_getcwd(_buffer, (int32_t)_size);
#else
return ::getcwd(_buffer, _size);
#endif // BX_COMPILER_
#endif // BX_PLATFORM_*
}
static bool getCurrentPath(char* _out, uint32_t* _inOutSize)
@@ -195,6 +196,29 @@ namespace bx
return false;
}
static bool getExecutablePath(char* _out, uint32_t* _inOutSize)
{
#if BX_PLATFORM_WINDOWS
uint32_t len = ::GetModuleFileNameA(NULL, _out, *_inOutSize);
bool result = len != 0 && len < *_inOutSize;
*_inOutSize = len;
return result;
#elif BX_PLATFORM_LINUX
char tmp[64];
snprintf(tmp, sizeof(tmp), "/proc/%d/exe", getpid() );
ssize_t result = readlink(tmp, _out, *_inOutSize);
if (-1 < result)
{
*_inOutSize = uint32_t(result);
return true;
}
#elif BX_PLATFORM_OSX
#endif // BX_PLATFORM_*
return false;
}
static bool getHomePath(char* _out, uint32_t* _inOutSize)
{
return false
@@ -287,28 +311,22 @@ namespace bx
void FilePath::set(Dir::Enum _dir)
{
bool ok = false;
char tmp[kMaxFilePath];
uint32_t len = BX_COUNTOF(tmp);
switch (_dir)
{
case Dir::Current:
getCurrentPath(tmp, &len);
break;
case Dir::Current: ok = getCurrentPath(tmp, &len); break;
case Dir::Executable: ok = getExecutablePath(tmp, &len); break;
case Dir::Home: ok = getHomePath(tmp, &len); break;
case Dir::Temp: ok = getTempPath(tmp, &len); break;
case Dir::Temp:
getTempPath(tmp, &len);
break;
case Dir::Home:
getHomePath(tmp, &len);
break;
default:
len = 0;
break;
default: break;
}
len = ok ? len : 0;
set(StringView(tmp, len) );
}

27
tests/filepath_test.cpp
View File

@@ -133,3 +133,30 @@ TEST_CASE("FilePath temp", "[filepath]")
REQUIRE(bx::removeAll(tmp, &err) );
REQUIRE(err.isOk() );
}
TEST_CASE("FilePath special", "[filepath]")
{
{
bx::FilePath tmp(bx::Dir::Current);
bx::StringView sv(tmp);
DBG("%S", &sv);
}
{
bx::FilePath tmp(bx::Dir::Executable);
bx::StringView sv(tmp);
DBG("%S", &sv);
}
{
bx::FilePath tmp(bx::Dir::Home);
bx::StringView sv(tmp);
DBG("%S", &sv);
}
{
bx::FilePath tmp(bx::Dir::Temp);
bx::StringView sv(tmp);
DBG("%S", &sv);
}
}