Merge pull request #51 from hammond/sysconf-errno

Reset 'errno' after 'sysconf()'
boostorg · Jun 5, 2018 · 5a93351 · 5a93351
2 parents 37b324c + 1e8de36
commit 5a93351
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/operations.cpp b/src/operations.cpp
@@ -2113,18 +2113,21 @@ namespace
   inline int readdir_r_simulator(DIR * dirp, struct dirent * entry,
     struct dirent ** result)// *result set to 0 on end of directory
   {
-    errno = 0;
-
 #   if !defined(__CYGWIN__)\
     && defined(_POSIX_THREAD_SAFE_FUNCTIONS)\
     && defined(_SC_THREAD_SAFE_FUNCTIONS)\
     && (_POSIX_THREAD_SAFE_FUNCTIONS+0 >= 0)\
     && (!defined(__hpux) || defined(_REENTRANT)) \
     && (!defined(_AIX) || defined(__THREAD_SAFE))
+
+    errno = 0;
+
     if (::sysconf(_SC_THREAD_SAFE_FUNCTIONS)>= 0)
       { return ::readdir_r(dirp, entry, result); }
 #   endif
 
+    errno = 0;
+
     struct dirent * p;
     *result = 0;
     if ((p = ::readdir(dirp))== 0)