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[svn-r7196] Purpose:

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Code cleanup

Description:
    Add version number checking to local heap code.

Platforms tested:
    FreeBSD 4.8 (sleipnir)
    too small to need h5committest
This commit is contained in:
Quincey Koziol 2003-07-10 08:11:27 -05:00
parent 9d17fc7424
commit dbe6d5acbc
1 changed files with 11 additions and 2 deletions
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13
src/H5HL.c
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@ -47,6 +47,11 @@
#define H5HL_FREE_NULL 1 /*end of free list on disk */
#define H5HL_MIN_HEAP 256 /* Minimum size to reduce heap buffer to */
/*
* Local heap collection version.
*/
#define H5HL_VERSION 0
/* Private typedefs */
/* PRIVATE PROTOTYPES */
@ -237,8 +242,12 @@ H5HL_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED * udata1,
HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad heap signature");
p += H5HL_SIZEOF_MAGIC;
/* Version */
if (H5HL_VERSION!=*p++)
HGOTO_ERROR (H5E_HEAP, H5E_CANTLOAD, NULL, "wrong version number in global heap");
/* Reserved */
p += 4;
p += 3;
/* Allocate space in memory for the heap */
if (NULL==(heap = H5FL_CALLOC(H5HL_t)))
@ -444,7 +453,7 @@ H5HL_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5HL_t *heap)
fl=heap->freelist;
HDmemcpy(p, H5HL_MAGIC, H5HL_SIZEOF_MAGIC);
p += H5HL_SIZEOF_MAGIC;
*p++ = 0; /*reserved*/
*p++ = H5HL_VERSION;
*p++ = 0; /*reserved*/
*p++ = 0; /*reserved*/
*p++ = 0; /*reserved*/