[svn-r13597] Add the macro check of H5_HAVE_FSEEKO for STDIO test. Without it

there'll be no big file support.  Updated document, too.

Tested on smirom because it's a simple change.

2 files changed, 10 insertions, 2 deletions

diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 698f884..cf6ed06 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -87,7 +87,11 @@ Bug Fixes since HDF5-1.6.5 Release
 
     Library
     -------
-       - Relaxed restrictions on attribute operations to allow a file ID to
+        - STDIO driver didn't support files bigger than 2GB because the OFFSET
+            parameter of fseek is of type LONG INT, not big enough for big files.
+            Use fseeko instead for big files if it's available on the system.
+            SLU - 2007/4/5
+        - Relaxed restrictions on attribute operations to allow a file ID to
             be used as the "location ID".  If a file ID is used, the attribute
             operation will occur on the root group of the file.
             - QAK - 2007/02/09
diff --git a/test/big.c b/test/big.c
index 60c01ad..cc85642 100644
--- a/test/big.c
+++ b/test/big.c
@@ -553,7 +553,10 @@ main (int ac, char **av)
     puts("Test passed with the Family Driver.");
 
 
-    /* Test big file with the STDIO driver */
+#ifdef H5_HAVE_FSEEKO
+    /* Test big file with the STDIO driver only if fseeko is supported,
+     * because the OFFSET parameter of fseek has the type LONG, not big
+     * enough to support big files. */
     puts("\nTesting big file with the STDIO Driver ");
 
     fapl = h5_fileaccess();
@@ -565,6 +568,7 @@ main (int ac, char **av)
     if (writer(filename, fapl, WRT_N)) goto error;
     if (reader(filename, fapl)) goto error;
     puts("Test passed with the STDIO Driver.");
+#endif
 
 quit:
     /* End with normal exit code */