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authorQuincey Koziol <koziol@hdfgroup.org>2009-02-03 23:54:39 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2009-02-03 23:54:39 (GMT)
commit2a5e92d415fbfd293f306f5f40d9d9a97653e7e4 (patch)
treefbb599aedcd9d88fdf0cfc326597e6936f6b52b8 /src/H5O.c
parent29e9825c93f19c1cc0579d46f6dd03718a35a936 (diff)
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[svn-r16415] Description:
Bring r16414 from trunk into 1.8 branch: Eliminate some more calls to H5E_clear_stack() from within library code. Clean up some warnings & comments also. Tested on: Mac OS X/32 10.5.6 (amazon) (Too minor to require h5committest)
Diffstat (limited to 'src/H5O.c')
-rw-r--r--src/H5O.c38
1 files changed, 26 insertions, 12 deletions
diff --git a/src/H5O.c b/src/H5O.c
index 5dfca1b..73c8e73 100644
--- a/src/H5O.c
+++ b/src/H5O.c
@@ -1652,11 +1652,11 @@ H5O_touch_oh(H5F_t *f, hid_t dxpl_id, H5O_t *oh, hbool_t force)
HGOTO_DONE(SUCCEED); /*nothing to do*/
/* Allocate space for the modification time message */
- if((idx = H5O_msg_alloc(f, dxpl_id, oh, H5O_MSG_MTIME_NEW, &mesg_flags, &now)) == UFAIL)
+ if(UFAIL == (idx = H5O_msg_alloc(f, dxpl_id, oh, H5O_MSG_MTIME_NEW, &mesg_flags, &now)))
HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to allocate space for modification time message")
/* Set the message's flags if appropriate */
- oh->mesg[idx].flags = mesg_flags;
+ oh->mesg[idx].flags = (uint8_t)mesg_flags;
} /* end if */
/* Allocate 'native' space, if necessary */
@@ -1892,8 +1892,8 @@ done:
*
* Purpose: Retrieves the type of object pointed to by `loc'.
*
- * Return: Success: An object type defined in H5Gpublic.h
- * Failure: H5G_UNKNOWN
+ * Return: Success: Non-negative
+ * Failure: Negative
*
* Programmer: Robb Matzke
* Wednesday, November 4, 1998
@@ -1929,8 +1929,8 @@ done:
*
* Purpose: Returns the type of object pointed to by `oh'.
*
- * Return: Success: An object type defined in H5Opublic.h
- * Failure: H5G_UNKNOWN
+ * Return: Success: Non-negative
+ * Failure: Negative
*
* Programmer: Quincey Koziol
* Monday, November 21, 2005
@@ -2311,6 +2311,8 @@ H5O_get_info(H5O_loc_t *oloc, hid_t dxpl_id, hbool_t want_ih_info, H5O_info_t *o
oinfo->btime = oh->btime;
} /* end if */
else {
+ htri_t exists; /* Flag if header message of interest exists */
+
/* No information for access & modification fields */
/* (we stopped updating the "modification time" header message for
* raw data changes, so the "modification time" header message
@@ -2321,13 +2323,25 @@ H5O_get_info(H5O_loc_t *oloc, hid_t dxpl_id, hbool_t want_ih_info, H5O_info_t *o
oinfo->btime = 0;
/* Might be information for modification time */
- if(NULL == H5O_msg_read_oh(oloc->file, dxpl_id, oh, H5O_MTIME_ID, &oinfo->ctime)) {
- H5E_clear_stack(NULL);
- if(NULL == H5O_msg_read_oh(oloc->file, dxpl_id, oh, H5O_MTIME_NEW_ID, &oinfo->ctime)) {
- H5E_clear_stack(NULL);
- oinfo->ctime = 0;
- } /* end if */
+ if((exists = H5O_msg_exists_oh(oh, H5O_MTIME_ID)) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "unable to check for MTIME message")
+ if(exists > 0) {
+ /* Get "old style" modification time info */
+ if(NULL == H5O_msg_read_oh(oloc->file, dxpl_id, oh, H5O_MTIME_ID, &oinfo->ctime))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't read MTIME message")
} /* end if */
+ else {
+ /* Check for "new style" modification time info */
+ if((exists = H5O_msg_exists_oh(oh, H5O_MTIME_NEW_ID)) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "unable to check for MTIME_NEW message")
+ if(exists > 0) {
+ /* Get "new style" modification time info */
+ if(NULL == H5O_msg_read_oh(oloc->file, dxpl_id, oh, H5O_MTIME_NEW_ID, &oinfo->ctime))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't read MTIME_NEW message")
+ } /* end if */
+ else
+ oinfo->ctime = 0;
+ } /* end else */
} /* end else */
/* Set the version for the object header */