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fs/NarrowPath: use the WideCharToMultiByte() wrapper

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This commit is contained in:
Max Kellermann 2015-06-23 13:09:36 +02:00
parent aecfcaa8a2
commit d551d40886
1 changed files with 16 additions and 14 deletions
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30
src/fs/NarrowPath.hxx
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@ -25,7 +25,11 @@
#include "util/Macros.hxx"
#ifdef _UNICODE
#include "lib/icu/Win32.hxx"
#include "util/AllocatedString.hxx"
#include <windows.h>
#else
#include "util/StringPointer.hxx"
#endif
/**
@ -34,35 +38,33 @@
* that accepts only "const char *".
*/
class NarrowPath {
typedef char value_type;
typedef const char *const_pointer;
#ifdef _UNICODE
char value[PATH_MAX];
typedef AllocatedString<> Value;
#else
const_pointer value;
typedef StringPointer<> Value;
#endif
typedef typename Value::const_pointer const_pointer;
Value value;
public:
#ifdef _UNICODE
explicit NarrowPath(Path _path) {
auto result = WideCharToMultiByte(CP_ACP, 0,
_path.c_str(), -1,
value, ARRAY_SIZE(value),
nullptr, nullptr);
if (result < 0)
value[0] = 0;
explicit NarrowPath(Path _path)
:value(WideCharToMultiByte(CP_ACP, _path.c_str())) {
if (value.IsNull())
/* fall back to empty string */
value = Value::Empty();
}
#else
explicit NarrowPath(Path _path):value(_path.c_str()) {}
#endif
operator const_pointer() const {
return value;
return c_str();
}
const_pointer c_str() const {
return value;
return value.c_str();
}
};