[newlib-cygwin] Cygwin: make check_invalid_virtual_addr a static inline function

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=56b7fd620fce86ab86cae2d22985cf7a385e3c5b

commit 56b7fd620fce86ab86cae2d22985cf7a385e3c5b
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Aug 10 18:03:05 2022 +0200

    Cygwin: make check_invalid_virtual_addr a static inline function
    
    move it to mm/mmap.cc which uses it exclusively.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/local_includes/miscfuncs.h |  3 ---
 winsup/cygwin/miscfuncs.cc               | 13 -------------
 winsup/cygwin/mm/mmap.cc                 | 13 +++++++++++++
 3 files changed, 13 insertions(+), 16 deletions(-)

diff --git a/winsup/cygwin/local_includes/miscfuncs.h b/winsup/cygwin/local_includes/miscfuncs.h
index fc791c2aa..eac1dbe20 100644
--- a/winsup/cygwin/local_includes/miscfuncs.h
+++ b/winsup/cygwin/local_includes/miscfuncs.h
@@ -101,9 +101,6 @@ PWCHAR transform_chars_af_unix (PWCHAR, const char *, __socklen_t);
 /* Get handle count of an object. */
 ULONG get_obj_handle_count (HANDLE h);
 
-/* Memory checking */
-int check_invalid_virtual_addr (const void *s, unsigned sz);
-
 ssize_t check_iovec (const struct iovec *, int, bool);
 #define check_iovec_for_read(a, b) check_iovec ((a), (b), false)
 #define check_iovec_for_write(a, b) check_iovec ((a), (b), true)
diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc
index 1513bc04e..f46e349e5 100644
--- a/winsup/cygwin/miscfuncs.cc
+++ b/winsup/cygwin/miscfuncs.cc
@@ -37,19 +37,6 @@ get_obj_handle_count (HANDLE h)
   return hdl_cnt;
 }
 
-int
-check_invalid_virtual_addr (const void *s, unsigned sz)
-{
-  MEMORY_BASIC_INFORMATION mbuf;
-  const void *end;
-
-  for (end = (char *) s + sz; s < end;
-       s = (char *) mbuf.BaseAddress + mbuf.RegionSize)
-    if (!VirtualQuery (s, &mbuf, sizeof mbuf))
-      return EINVAL;
-  return 0;
-}
-
 static char __attribute__ ((noinline))
 dummytest (volatile char *p)
 {
diff --git a/winsup/cygwin/mm/mmap.cc b/winsup/cygwin/mm/mmap.cc
index 4f383627a..c33342bc3 100644
--- a/winsup/cygwin/mm/mmap.cc
+++ b/winsup/cygwin/mm/mmap.cc
@@ -1112,6 +1112,19 @@ out:
 
 /* munmap () removes all mmapped pages between addr and addr+len. */
 
+static inline int
+check_invalid_virtual_addr (const void *s, unsigned sz)
+{
+  MEMORY_BASIC_INFORMATION mbuf;
+  const void *end;
+
+  for (end = (char *) s + sz; s < end;
+       s = (char *) mbuf.BaseAddress + mbuf.RegionSize)
+    if (!VirtualQuery (s, &mbuf, sizeof mbuf))
+      return EINVAL;
+  return 0;
+}
+
 extern "C" int
 munmap (void *addr, size_t len)
 {