[svn-r13488] Description:

	Remove unused "min. creation order" field from link info object
header message.

Tested on:
	FreeBSD/32 6.2 (duty)
	Mac OS X/32 10.4.8 (amazon)

5 files changed, 5 insertions, 13 deletions

diff --git a/src/H5Gobj.c b/src/H5Gobj.c
index 81dbf2d..07942c9 100644
--- a/src/H5Gobj.c
+++ b/src/H5Gobj.c
@@ -686,7 +686,6 @@ H5G_obj_info(H5O_loc_t *oloc, H5G_info_t *grp_info, hid_t dxpl_id)
     if(H5O_msg_read(oloc, H5O_LINFO_ID, &linfo, dxpl_id)) {
         /* Retrieve the information about the links */
         grp_info->nlinks = linfo.nlinks;
-        grp_info->min_corder = linfo.min_corder;
         grp_info->max_corder = linfo.max_corder;
 
         /* Check if the group is using compact or dense storage for its links */
@@ -705,7 +704,6 @@ H5G_obj_info(H5O_loc_t *oloc, H5G_info_t *grp_info, hid_t dxpl_id)
 
         /* Set the other information about the group */
         grp_info->storage_type = H5G_STORAGE_TYPE_SYMBOL_TABLE;
-        grp_info->min_corder = 0;
         grp_info->max_corder = 0;
     } /* end else */
 
@@ -867,7 +865,7 @@ H5G_obj_remove_update_linfo(H5O_loc_t *oloc, H5O_linfo_t *linfo, hid_t dxpl_id)
 
     /* Reset the creation order min/max if there's no more links in group */
     if(linfo->nlinks == 0)
-        linfo->min_corder = linfo->max_corder = 0;
+        linfo->max_corder = 0;
 
     /* Check for transitioning out of dense storage, if we are using it */
     if(H5F_addr_defined(linfo->link_fheap_addr)) {
diff --git a/src/H5Gprivate.h b/src/H5Gprivate.h
index 934933e..2a9ed2e 100644
--- a/src/H5Gprivate.h
+++ b/src/H5Gprivate.h
@@ -62,7 +62,6 @@
 /* Defaults for link info values */
 #define H5G_CRT_LINFO_INDEX_CORDER              FALSE
 #define H5G_CRT_LINFO_NLINKS                    0
-#define H5G_CRT_LINFO_MIN_CORDER                0
 #define H5G_CRT_LINFO_MAX_CORDER                0
 #define H5G_CRT_LINFO_LINK_FHEAP_ADDR           HADDR_UNDEF
 #define H5G_CRT_LINFO_NAME_BT2_ADDR             HADDR_UNDEF
@@ -72,7 +71,6 @@
 #define H5G_CRT_LINK_INFO_NAME                  "link info"
 #define H5G_CRT_LINK_INFO_SIZE                  sizeof(H5O_linfo_t)
 #define H5G_CRT_LINK_INFO_DEF                   {H5G_CRT_LINFO_INDEX_CORDER, \
-                                                    H5G_CRT_LINFO_MIN_CORDER, \
                                                     H5G_CRT_LINFO_MAX_CORDER, \
                                                     H5G_CRT_LINFO_CORDER_BT2_ADDR, \
                                                     H5G_CRT_LINFO_NLINKS, \
diff --git a/src/H5Gpublic.h b/src/H5Gpublic.h
index 160a506..598d04e 100644
--- a/src/H5Gpublic.h
+++ b/src/H5Gpublic.h
@@ -74,7 +74,6 @@ typedef enum H5G_storage_type_t {
 typedef struct H5G_info_t {
     H5G_storage_type_t 	storage_type;	/* Type of storage for links in group */
     hsize_t 	nlinks;		        /* Number of links in group */
-    int64_t     min_corder;             /* Current min. creation order value for group */
     int64_t     max_corder;             /* Current max. creation order value for group */
 } H5G_info_t;
 
diff --git a/src/H5Olinfo.c b/src/H5Olinfo.c
index e3ea8fd..d7cf9f8 100644
--- a/src/H5Olinfo.c
+++ b/src/H5Olinfo.c
@@ -141,7 +141,6 @@ H5O_linfo_decode(H5F_t *f, hid_t UNUSED dxpl_id, unsigned UNUSED mesg_flags,
     H5F_DECODE_LENGTH(f, p, linfo->nlinks)
 
     /* Min. & max creation order value for the group */
-    INT64DECODE(p, linfo->min_corder)
     INT64DECODE(p, linfo->max_corder)
 
     /* Address of fractal heap to store "dense" links */
@@ -206,7 +205,6 @@ H5O_linfo_encode(H5F_t *f, hbool_t UNUSED disable_shared, uint8_t *p, const void
     H5F_ENCODE_LENGTH(f, p, linfo->nlinks)
 
     /* Min. & max creation order value for the group */
-    INT64ENCODE(p, linfo->min_corder)
     INT64ENCODE(p, linfo->max_corder)
 
     /* Address of fractal heap to store "dense" links */
@@ -293,7 +291,6 @@ H5O_linfo_size(const H5F_t *f, hbool_t UNUSED disable_shared, const void *_mesg)
     ret_value = 1                       /* Version */
                 + 1                     /* Index flags */
                 + H5F_SIZEOF_SIZE(f)    /* Number of links */
-                + 8                     /* Curr. min. creation order value */
                 + 8                     /* Curr. max. creation order value */
                 + H5F_SIZEOF_ADDR(f)    /* Address of fractal heap to store "dense" links */
                 + H5F_SIZEOF_ADDR(f)    /* Address of v2 B-tree for indexing names of links */
@@ -400,7 +397,7 @@ H5O_linfo_copy_file(H5F_t UNUSED *file_src, void *native_src, H5F_t *file_dst,
      */
     if(cpy_info->max_depth >= 0 && cpy_info->curr_depth >= cpy_info->max_depth) {
         linfo_dst->nlinks = 0;
-        linfo_dst->min_corder = linfo_dst->max_corder = 0;
+        linfo_dst->max_corder = 0;
         linfo_dst->link_fheap_addr = HADDR_UNDEF;
         linfo_dst->name_bt2_addr = HADDR_UNDEF;
         linfo_dst->corder_bt2_addr = HADDR_UNDEF;
@@ -570,8 +567,6 @@ H5O_linfo_debug(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, const void *_mesg, FILE *
     HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
 	      "Number of links:", linfo->nlinks);
     HDfprintf(stream, "%*s%-*s %Hd\n", indent, "", fwidth,
-	      "Min. creation order value:", linfo->min_corder);
-    HDfprintf(stream, "%*s%-*s %Hd\n", indent, "", fwidth,
 	      "Max. creation order value:", linfo->max_corder);
     HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
 	      "'Dense' link storage fractal heap address:", linfo->link_fheap_addr);
diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h
index c916f7e..69635a5 100644
--- a/src/H5Oprivate.h
+++ b/src/H5Oprivate.h
@@ -173,11 +173,13 @@ typedef struct H5O_shared_t {
  *      link info structure in src/H5Gprivate.h - QAK)
  * (if the fields in this struct are changed, also look at the code that
  *      creates intermediate groups in src/H5Gtraverse.c - QAK)
+ * (The "max. creation order" field is signed so that we might have an easy
+ *      way to add links to the front of the creation ordering (with negative
+ *      values) as well as the end of the creation ordering - QAK)
  */
 typedef struct H5O_linfo_t {
     /* (creation order info) */
     hbool_t     index_corder;           /* Are creation order values indexed on links? */
-    int64_t     min_corder;             /* Current min. creation order value for group */
     int64_t     max_corder;             /* Current max. creation order value for group */
     haddr_t     corder_bt2_addr;        /* Address of v2 B-tree for indexing creation order values of links */