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Merge pull request #83266 from bruvzg/linux_case_check

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[Linux] Implement DirAccess.is_case_sensitive for EXT4 and F2FS.
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Rémi Verschelde 2023-10-13 22:19:24 +02:00
parent 4659099a88 54eae6221a
commit 348c1ff96b
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GPG key ID: C3336907360768E1
3 changed files with 26 additions and 1 deletions
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2
doc/classes/DirAccess.xml
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@ -209,7 +209,7 @@
<param index="0" name="path" type="String" />
<description>
Returns [code]true[/code] if the file system or directory use case sensitive file names.
[b]Note:[/b] This method is implemented on macOS and Windows. On other platforms, it always returns [code]true[/code].
[b]Note:[/b] This method is implemented on macOS, Linux (for EXT4 and F2FS filesystems only) and Windows. On other platforms, it always returns [code]true[/code].
</description>
</method>
<method name="list_dir_begin">

23
drivers/unix/dir_access_unix.cpp
View file

@ -38,9 +38,11 @@
#include "core/templates/list.h"
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/statvfs.h>
#ifdef HAVE_MNTENT
@ -488,6 +490,27 @@ bool DirAccessUnix::is_hidden(const String &p_name) {
return p_name != "." && p_name != ".." && p_name.begins_with(".");
}
bool DirAccessUnix::is_case_sensitive(const String &p_path) const {
#if defined(LINUXBSD_ENABLED)
String f = p_path;
if (!f.is_absolute_path()) {
f = get_current_dir().path_join(f);
}
f = fix_path(f);
int fd = ::open(f.utf8().get_data(), O_RDONLY | O_NONBLOCK);
if (fd) {
long flags = 0;
if (ioctl(fd, _IOR('f', 1, long), &flags) >= 0) {
::close(fd);
return !(flags & 0x40000000 /* FS_CASEFOLD_FL */);
}
::close(fd);
}
#endif
return true;
}
DirAccessUnix::DirAccessUnix() {
dir_stream = nullptr;
_cisdir = false;

2
drivers/unix/dir_access_unix.h
View file

@ -82,6 +82,8 @@ public:
virtual String read_link(String p_file) override;
virtual Error create_link(String p_source, String p_target) override;
virtual bool is_case_sensitive(const String &p_path) const override;
virtual uint64_t get_space_left() override;
virtual String get_filesystem_type() const override;