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Work on supporting prefixed long filenames on Windows.

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This commit is contained in:
gulrak 2019-03-26 00:48:51 -07:00
parent e49340a846
commit 6ab8c8fc72
1 changed files with 26 additions and 1 deletions
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27
include/ghc/filesystem.hpp
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@ -1256,6 +1256,12 @@ inline std::string toUtf8(const SourceType* unicodeString)
namespace detail {
GHC_INLINE bool startsWith(const std::string& what, const std::string& with)
{
return with.length() <= what.length()
&& equal(with.begin(), with.end(), what.begin());
}
GHC_INLINE void postprocess_path_with_format(path::string_type& p, path::format fmt)
{
switch (fmt) {
@ -1270,6 +1276,14 @@ GHC_INLINE void postprocess_path_with_format(path::string_type& p, path::format
case path::auto_format:
case path::native_format:
#endif
if(startsWith(p, std::string("\\\\?\\"))) {
// remove Windows long filename marker
p.erase(0, 4);
if(startsWith(p, std::string("UNC\\"))) {
p.erase(0,2);
p[0] = '\\';
}
}
for (auto& c : p) {
if (c == '\\') {
c = '/';
@ -2065,7 +2079,18 @@ GHC_INLINE void path::swap(path& rhs) noexcept
GHC_INLINE const path::string_type& path::native() const
{
#ifdef GHC_OS_WINDOWS
_native_cache = _path;
if(_path.is_absolute() && _path.length() >= MAX_PATH) {
// expand long Windows filenames with marker
if(has_root_name() && _path[0] == '/') {
_native_cache = "\\\\?\\UNC" + _path.substr(1);
}
else {
_native_cache = "\\\\?\\" + _path;
}
}
else {
_native_cache = _path;
}
/*if (has_root_name() && root_name()._path[0] == '/') {
return _path;
}*/