https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=064e4bb8bb4236822c23ed63d419ba081f1e524a

commit 064e4bb8bb4236822c23ed63d419ba081f1e524a
Author:     Corinna Vinschen <[email protected]>
AuthorDate: Sun Feb 19 14:23:53 2023 +0100
Commit:     Corinna Vinschen <[email protected]>
CommitDate: Sun Feb 19 14:40:29 2023 +0100

    Cygwin: convert __collate_range_cmp to __wcollate_range_cmp
    
    https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=179721
    
    After FreeBSD eventually picked up the bugreport from within
    only 5 years, rename __collate_range_cmp to __wcollate_range_cmp
    as suggested all along, and make it type safe (wint_t instead of
    wchar_t for hopefully obvious reasons...)
    
    While at it, drop __collate_load_error and fix the checks for
    it in glob and fnmatch.
    
    Signed-off-by: Corinna Vinschen <[email protected]>

Diff:
---
 winsup/cygwin/glob.cc                  |  8 ++++++--
 winsup/cygwin/globals.cc               |  3 ---
 winsup/cygwin/libc/fnmatch.c           | 12 ++++--------
 winsup/cygwin/local_includes/collate.h |  2 +-
 winsup/cygwin/nlsfuncs.cc              |  6 ++----
 winsup/cygwin/regex/regcomp.c          |  6 +++---
 6 files changed, 16 insertions(+), 21 deletions(-)

diff --git a/winsup/cygwin/glob.cc b/winsup/cygwin/glob.cc
index c882cd59d2e2..eb19e23de1ac 100644
--- a/winsup/cygwin/glob.cc
+++ b/winsup/cygwin/glob.cc
@@ -879,10 +879,14 @@ match(Char *name, Char *pat, Char *patend)
                                        if (is_unicode_equiv (k, *pat++))
                                                ok = 1;
                                } else if ((*pat & M_MASK) == M_RNG) {
+#ifdef __CYGWIN__
+                                       if ((!__get_current_collate_locale 
()->lcid) ?
+#else
                                        if (__collate_load_error ?
+#endif
                                            CCHAR(c) <= CCHAR(k) && CCHAR(k) <= 
CCHAR(pat[1]) :
-                                              __collate_range_cmp(CCHAR(c), 
CCHAR(k)) <= 0
-                                           && __collate_range_cmp(CCHAR(k), 
CCHAR(pat[1])) <= 0
+                                              __wcollate_range_cmp(CCHAR(c), 
CCHAR(k)) <= 0
+                                           && __wcollate_range_cmp(CCHAR(k), 
CCHAR(pat[1])) <= 0
                                           )
                                                ok = 1;
                                        pat += 2;
diff --git a/winsup/cygwin/globals.cc b/winsup/cygwin/globals.cc
index aef4a687db60..c259ce18fc5d 100644
--- a/winsup/cygwin/globals.cc
+++ b/winsup/cygwin/globals.cc
@@ -96,9 +96,6 @@ char NO_COPY almost_null[1];
 
 extern "C" {
 
-/* We never have a collate load error. */
-const int __collate_load_error = 0;
-
   /* Heavily-used const UNICODE_STRINGs are defined here once.  The idea is a
      speed improvement by not having to initialize a UNICODE_STRING every time
      we make a string comparison.  The _RDATA trick allows defining the strings
diff --git a/winsup/cygwin/libc/fnmatch.c b/winsup/cygwin/libc/fnmatch.c
index 40c1f2d59859..dfbe3863fbfa 100644
--- a/winsup/cygwin/libc/fnmatch.c
+++ b/winsup/cygwin/libc/fnmatch.c
@@ -330,18 +330,14 @@ rangematch(const char *pattern, wint_t test, int flags, 
char **newp,
                                c2 = towlower(c2);
 
 #ifdef __CYGWIN__
-                       if (__collate_load_error ?
-                           c <= test && test <= c2 :
-                              __collate_range_cmp(c, test) <= 0
-                           && __collate_range_cmp(test, c2) <= 0
-                          )
+                       if ((!__get_current_collate_locale ()->lcid) ?
 #else
                        if (table->__collate_load_error ?
+#endif
                            c <= test && test <= c2 :
-                              __collate_range_cmp(table, c, test) <= 0
-                           && __collate_range_cmp(table, test, c2) <= 0
+                              __wcollate_range_cmp(c, test) <= 0
+                           && __wcollate_range_cmp(test, c2) <= 0
                           )
-#endif
                                ok = 1;
                } else if (c == test)
                        ok = 1;
diff --git a/winsup/cygwin/local_includes/collate.h 
b/winsup/cygwin/local_includes/collate.h
index c3454575dd92..d9e84f32ebba 100644
--- a/winsup/cygwin/local_includes/collate.h
+++ b/winsup/cygwin/local_includes/collate.h
@@ -13,7 +13,7 @@ extern "C" {
 
 extern const int __collate_load_error;
 
-extern int __collate_range_cmp (int c1, int c2);
+extern int __wcollate_range_cmp (wint_t, wint_t);
 
 int is_unicode_equiv (wint_t, wint_t);
 
diff --git a/winsup/cygwin/nlsfuncs.cc b/winsup/cygwin/nlsfuncs.cc
index d80567737d7b..4d17fb4e39cd 100644
--- a/winsup/cygwin/nlsfuncs.cc
+++ b/winsup/cygwin/nlsfuncs.cc
@@ -1172,11 +1172,9 @@ strcoll (const char *__restrict s1, const char 
*__restrict s2)
   return strcoll_l (s1, s2, __get_current_locale ());
 }
 
-/* BSD.  Used from glob.cc, fnmatch.c and regcomp.c.  Make sure caller is
-   using wide chars.  Unfortunately the definition of this functions hides
-   the required input type. */
+/* BSD.  Used from glob.cc, fnmatch.c and regcomp.c. */
 extern "C" int
-__collate_range_cmp (int c1, int c2)
+__wcollate_range_cmp (wint_t c1, wint_t c2)
 {
   wchar_t s1[3] = { (wchar_t) c1, L'\0', L'\0' };
   wchar_t s2[3] = { (wchar_t) c2, L'\0', L'\0' };
diff --git a/winsup/cygwin/regex/regcomp.c b/winsup/cygwin/regex/regcomp.c
index aef104c1ea45..5acfd4e52e61 100644
--- a/winsup/cygwin/regex/regcomp.c
+++ b/winsup/cygwin/regex/regcomp.c
@@ -834,10 +834,10 @@ p_b_term(struct parse *p, cset *cs)
                                (void)REQUIRE((uch)start <= (uch)finish, 
REG_ERANGE);
                                CHaddrange(p, cs, start, finish);
                        } else {
-                               (void)REQUIRE(__collate_range_cmp(start, 
finish) <= 0, REG_ERANGE);
+                               (void)REQUIRE(__wcollate_range_cmp(start, 
finish) <= 0, REG_ERANGE);
                                for (i = 0; i <= UCHAR_MAX; i++) {
-                                       if (   __collate_range_cmp(start, i) <= 0
-                                           && __collate_range_cmp(i, finish) 
<= 0
+                                       if (   __wcollate_range_cmp(start, i) 
<= 0
+                                           && __wcollate_range_cmp(i, finish) 
<= 0
                                           )
                                                CHadd(p, cs, i);
                                }

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