[newlib-cygwin] Cygwin: wincap: add wincap_10_1803, add has_case_sensitive_dirs item

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=92edcf929ae862a97bb0b8d0494c84b4e1b748b9

commit 92edcf929ae862a97bb0b8d0494c84b4e1b748b9
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Tue Dec 25 01:07:39 2018 +0100

    Cygwin: wincap: add wincap_10_1803, add has_case_sensitive_dirs item
    
    - Allow to disable the flag by calling disable_case_sensitive_dirs.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/wincap.cc | 33 ++++++++++++++++++++++++++++++++-
 winsup/cygwin/wincap.h  |  6 ++++++
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/winsup/cygwin/wincap.cc b/winsup/cygwin/wincap.cc
index 4ba9aa5..d9aea8a 100644
--- a/winsup/cygwin/wincap.cc
+++ b/winsup/cygwin/wincap.cc
@@ -36,6 +36,7 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
     has_unbiased_interrupt_time:false,
     has_precise_interrupt_time:false,
     has_posix_file_info:false,
+    has_case_sensitive_dirs:false,
   },
 };
 
@@ -57,6 +58,7 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
     has_unbiased_interrupt_time:true,
     has_precise_interrupt_time:false,
     has_posix_file_info:false,
+    has_case_sensitive_dirs:false,
   },
 };
 
@@ -78,6 +80,7 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
     has_unbiased_interrupt_time:true,
     has_precise_interrupt_time:false,
     has_posix_file_info:false,
+    has_case_sensitive_dirs:false,
   },
 };
 
@@ -99,6 +102,7 @@ wincaps  wincap_10_1507 __attribute__((section (".cygwin_dll_common"), shared))
     has_unbiased_interrupt_time:true,
     has_precise_interrupt_time:true,
     has_posix_file_info:false,
+    has_case_sensitive_dirs:false,
   },
 };
 
@@ -120,6 +124,7 @@ wincaps wincap_10_1511 __attribute__((section (".cygwin_dll_common"), shared)) =
     has_unbiased_interrupt_time:true,
     has_precise_interrupt_time:true,
     has_posix_file_info:false,
+    has_case_sensitive_dirs:false,
   },
 };
 
@@ -141,6 +146,7 @@ wincaps wincap_10_1703 __attribute__((section (".cygwin_dll_common"), shared)) =
     has_unbiased_interrupt_time:true,
     has_precise_interrupt_time:true,
     has_posix_file_info:false,
+    has_case_sensitive_dirs:false,
   },
 };
 
@@ -162,6 +168,29 @@ wincaps wincap_10_1709 __attribute__((section (".cygwin_dll_common"), shared)) =
     has_unbiased_interrupt_time:true,
     has_precise_interrupt_time:true,
     has_posix_file_info:true,
+    has_case_sensitive_dirs:false,
+  },
+};
+
+wincaps wincap_10_1803 __attribute__((section (".cygwin_dll_common"), shared)) = {
+  def_guard_pages:2,
+  {
+    is_server:false,
+    needs_count_in_si_lpres2:false,
+    has_gaa_largeaddress_bug:false,
+    has_broken_alloc_console:true,
+    has_console_logon_sid:true,
+    has_precise_system_time:true,
+    has_microsoft_accounts:true,
+    has_processor_groups:true,
+    has_broken_prefetchvm:false,
+    has_new_pebteb_region:true,
+    has_broken_whoami:false,
+    has_unprivileged_createsymlink:true,
+    has_unbiased_interrupt_time:true,
+    has_precise_interrupt_time:true,
+    has_posix_file_info:true,
+    has_case_sensitive_dirs:true,
   },
 };
 
@@ -205,7 +234,9 @@ wincapc::init ()
 	break;
       case 10:
       default:
-	if (likely (version.dwBuildNumber >= 16299))
+	if (likely (version.dwBuildNumber >= 17134))
+	  caps = &wincap_10_1803;
+	else if (version.dwBuildNumber >= 16299)
 	  caps = &wincap_10_1709;
 	else if (version.dwBuildNumber >= 15063)
 	  caps = &wincap_10_1703;
diff --git a/winsup/cygwin/wincap.h b/winsup/cygwin/wincap.h
index 6492462..967ddbd 100644
--- a/winsup/cygwin/wincap.h
+++ b/winsup/cygwin/wincap.h
@@ -30,6 +30,7 @@ struct wincaps
     unsigned has_unbiased_interrupt_time	: 1;
     unsigned has_precise_interrupt_time		: 1;
     unsigned has_posix_file_info		: 1;
+    unsigned has_case_sensitive_dirs		: 1;
   };
 };
 
@@ -80,7 +81,12 @@ public:
   bool	IMPLEMENT (has_unbiased_interrupt_time)
   bool	IMPLEMENT (has_precise_interrupt_time)
   bool	IMPLEMENT (has_posix_file_info)
+  bool	IMPLEMENT (has_case_sensitive_dirs)
 
+  void disable_case_sensitive_dirs ()
+  {
+    ((wincaps *)caps)->has_case_sensitive_dirs = false;
+  }
 #undef IMPLEMENT
 };