Bring r23713 and r23717 from trunk to 1.8 branch:
Clean up warnings, switch library code to use Standard C/POSIX wrapper
macros, remove internal calls to API routines, update checkapi and checkposix
scripts.
Tested on:
Mac OSX/64 10.8.3 (amazon) w/C++ & FORTRAN
Big-Endian Linux/64 (ostrich)
Description:
Added internal tesitng routines to traverse a file and verify that symbol table
information is *always* cached, whenever possible. Added this check to the end
of many tests to check all the test files, right before the call to h5_cleanup.
Tested: jam, amani, heiwa (h5committest)
a) Add comments to test_4() in test/external.c about the name "/ link".
b) Fix one memory leak in src/H5Lexternal.c: free memory pointed to by tmp_env_prefix for HDF5_EXT_PREFIX case.
3. Made changes for bug #1930 as in rev #19783, #19781 in trunk.
4. Made corresponding CMake changes as in rev #19782 in trunk.
