MDEV-32776 plugin disks getmntinfo64 deprecated on macOS

The getmntinfo64 interface is deprected in MacOSX12.1.sdk.

Using getmntinfo instead.

Thanks heyingquay for reporting the bug and testing the fix.

plugin/disks/CMakeLists.txt

@@ -4,7 +4,6 @@ CHECK_SYMBOL_EXISTS (getmntent "mntent.h" HAVE_GETMNTENT)
 CHECK_SYMBOL_EXISTS (getmntent "sys/mnttab.h" HAVE_GETMNTENT_IN_SYS_MNTAB)
 CHECK_SYMBOL_EXISTS (setmntent "mntent.h" HAVE_SETMNTENT)
 CHECK_SYMBOL_EXISTS (getmntinfo "sys/types.h;sys/mount.h" HAVE_GETMNTINFO)
-CHECK_SYMBOL_EXISTS (getmntinfo64 "sys/types.h;sys/mount.h" HAVE_GETMNTINFO64)
 
 IF (HAVE_GETMNTINFO)
 CHECK_CXX_SOURCE_COMPILES("
@@ -18,7 +17,7 @@ int main()
   " HAVE_GETMNTINFO_TAKES_statvfs)
 ENDIF()
 IF (HAVE_GETMNTENT OR HAVE_GETMNTENT_IN_SYS_MNTAB OR
-    HAVE_GETMNTINFO OR HAVE_GETMNTINFO64)
+    HAVE_GETMNTINFO)
   INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/sql)
   MYSQL_ADD_PLUGIN(DISKS information_schema_disks.cc MODULE_ONLY RECOMPILE_FOR_EMBEDDED)
 ENDIF()

plugin/disks/information_schema_disks.cc

@@ -37,8 +37,7 @@
   This intends to support *BSD's, macOS, Solaris, AIX, HP-UX, and Linux.
 
   specificly:
-  FreeBSD/OpenBSD/DragonFly (statfs) NetBSD (statvfs) uses getmntinfo().
-  macOS uses getmntinfo64().
+  FreeBSD/OpenBSD/DragonFly/macOS (statfs) NetBSD (statvfs) uses getmntinfo().
   Linux can use getmntent_r(), but we've just used getmntent for simplification.
   Linux/Solaris/AIX/HP-UX uses setmntent()/getmntent().
   Solaris uses getmntent() with a diffent prototype, return structure, and
@@ -46,8 +45,6 @@
 */
 #if defined(HAVE_GETMNTINFO_TAKES_statvfs) || defined(HAVE_GETMNTENT)
 typedef struct statvfs st_info;
-#elif defined(HAVE_GETMNTINFO64)
-typedef struct statfs64 st_info;
 #else // GETMNTINFO
 typedef struct statfs st_info;
 #endif
@@ -148,8 +145,6 @@ static int disks_fill_table(THD* pThd, TABLE_LIST* pTables, Item* pCond)
 
 #if defined(HAVE_GETMNTINFO_TAKES_statvfs)
     count= getmntinfo(&s, ST_WAIT);
-#elif defined(HAVE_GETMNTINFO64)
-    count= getmntinfo64(&s, MNT_WAIT);
 #else
     count= getmntinfo(&s, MNT_WAIT);
 #endif