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libstdc++: Avoid including <algorithm> in <filesystem> [PR92546]

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This only affects Windows, but reduces the preprocessed size of
<filesystem> significantly.

libstdc++-v3/ChangeLog:

	PR libstdc++/92546
	* include/bits/fs_path.h (path::make_preferred): Use
	handwritten loop instead of std::replace.
This commit is contained in:
Jonathan Wakely 2022-03-17 14:36:07 +00:00
parent 38ce448963
commit 00df7ee447
1 changed files with 6 additions and 3 deletions
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9
libstdc++-v3/include/bits/fs_path.h
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@ -52,7 +52,6 @@
#if defined(_WIN32) && !defined(__CYGWIN__)
# define _GLIBCXX_FILESYSTEM_IS_WINDOWS 1
# include <algorithm>
#endif
namespace std _GLIBCXX_VISIBILITY(default)
@ -1060,8 +1059,12 @@ namespace __detail
path::make_preferred()
{
#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
std::replace(_M_pathname.begin(), _M_pathname.end(), L'/',
preferred_separator);
auto __pos = _M_pathname.find(L'/');
while (__pos != _M_pathname.npos)
{
_M_pathname[__pos] = preferred_separator;
__pos = _M_pathname.find(L'/', __pos);
}
#endif
return *this;
}