Implement selection I/O with type conversion (#2823)

Initial implementation of selection I/O with type conversion.  Allows
Parallel collective I/O with type conversion, as long as selection I/O
is enabled.

1 files changed, 1 insertions, 12 deletions

diff --git a/src/H5.c b/src/H5.c
index 259e240..e0db6b9 100644
--- a/src/H5.c
+++ b/src/H5.c
@@ -82,8 +82,6 @@ hbool_t H5_libinit_g = FALSE; /* Library hasn't been initialized */
 hbool_t H5_libterm_g = FALSE; /* Library isn't being shutdown */
 #endif
 
-hbool_t H5_use_selection_io_g = FALSE;
-
 char           H5_lib_vers_info_g[] = H5_VERS_INFO;
 static hbool_t H5_dont_atexit_g     = FALSE;
 H5_debug_t     H5_debug_g; /* debugging info */
@@ -141,8 +139,7 @@ herr_t
 H5_init_library(void)
 {
     size_t i;
-    char  *env_use_select_io = NULL;
-    herr_t ret_value         = SUCCEED;
+    herr_t ret_value = SUCCEED;
 
     FUNC_ENTER_NOAPI(FAIL)
 
@@ -274,14 +271,6 @@ H5_init_library(void)
     }
     /* clang-format on */
 
-    /* Check for HDF5_USE_SELECTION_IO env variable */
-    env_use_select_io = HDgetenv("HDF5_USE_SELECTION_IO");
-    if (NULL != env_use_select_io && HDstrcmp(env_use_select_io, "") && HDstrcmp(env_use_select_io, "0") &&
-        HDstrcmp(env_use_select_io, "no") && HDstrcmp(env_use_select_io, "No") &&
-        HDstrcmp(env_use_select_io, "NO") && HDstrcmp(env_use_select_io, "false") &&
-        HDstrcmp(env_use_select_io, "False") && HDstrcmp(env_use_select_io, "FALSE"))
-        H5_use_selection_io_g = TRUE;
-
     /* Debugging? */
     H5__debug_mask("-all");
     H5__debug_mask(HDgetenv("HDF5_DEBUG"));