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| author | Raymond Lu <songyulu@hdfgroup.org> | 2008-12-22 19:05:43 (GMT) |
|---|---|---|
| committer | Raymond Lu <songyulu@hdfgroup.org> | 2008-12-22 19:05:43 (GMT) |
| commit | 1448a3e8bbc720280a0c8c88aa928d3c87876b9e (patch) | |
| tree | bcfa04ab2967bca97ec9ecd027bcb5f5f6d1804c /src/H5FDcore.c | |
| parent | c302b9b031b9a52bc7b3f4413adfa71f42e75d79 (diff) | |
| download | hdf5-1448a3e8bbc720280a0c8c88aa928d3c87876b9e.zip hdf5-1448a3e8bbc720280a0c8c88aa928d3c87876b9e.tar.gz hdf5-1448a3e8bbc720280a0c8c88aa928d3c87876b9e.tar.bz2 | |
[svn-r16214] Added HDlseek to the H5FD_core_truncate function in H5FDcore.c to rewind the file pointer
to the beginning of the file. Otherwise, the file might be re-extended later on Open VMS.
Also updated the return value for the HDlseek to be more appropriate.
Tested 1.8 on Open VMS.
Diffstat (limited to 'src/H5FDcore.c')
| -rw-r--r-- | src/H5FDcore.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/H5FDcore.c b/src/H5FDcore.c index 68a0655..cda7308 100644 --- a/src/H5FDcore.c +++ b/src/H5FDcore.c @@ -985,6 +985,13 @@ if(file->eof < new_eof) /* Update backing store, if using it */ if(file->fd >= 0 && file->backing_store) { +#ifdef H5_VMS + /* Reset seek offset to the beginning of the file, so that the file isn't + * re-extended later. This may happen on Open VMS. */ + if(-1 == HDlseek(file->fd, 0, SEEK_SET)) + HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position") +#endif + if(-1 == HDftruncate(file->fd, (off_t)new_eof)) HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly") } /* end if */ |