diff options
Diffstat (limited to 'src/H5Oshared.c')
| -rw-r--r-- | src/H5Oshared.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/src/H5Oshared.c b/src/H5Oshared.c index f485143..198466b 100644 --- a/src/H5Oshared.c +++ b/src/H5Oshared.c @@ -38,6 +38,8 @@ const H5O_class_t H5O_SHARED[1] = {{ H5O_shared_debug, /*debug method */ }}; +#define H5O_SHARED_VERSION 1 + /* Interface initialization */ #define PABLO_MASK H5O_shared_mask static hbool_t interface_initialize_g = FALSE; @@ -57,14 +59,15 @@ static hbool_t interface_initialize_g = FALSE; * Thursday, April 2, 1998 * * Modifications: - * + * Robb Matzke, 1998-07-20 + * Added a version number to the beginning of the message. *------------------------------------------------------------------------- */ static void * H5O_shared_decode (H5F_t *f, const uint8 *buf, H5O_shared_t __unused__ *sh) { H5O_shared_t *mesg; - uintn flags; + uintn flags, version; FUNC_ENTER (H5O_shared_decode, NULL); @@ -79,10 +82,21 @@ H5O_shared_decode (H5F_t *f, const uint8 *buf, H5O_shared_t __unused__ *sh) "memory allocation failed"); } + /* Version */ + version = *buf++; + if (version!=H5O_SHARED_VERSION) { + HRETURN_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, + "bad version number for shared object message"); + } + + /* Flags */ flags = *buf++; mesg->in_gh = (flags & 0x01); - buf += 7; /*reserved*/ + /* Reserved */ + buf += 6; + + /* Body */ if (mesg->in_gh) { H5F_addr_decode (f, &buf, &(mesg->u.gh.addr)); INT32DECODE (buf, mesg->u.gh.idx); @@ -107,6 +121,8 @@ H5O_shared_decode (H5F_t *f, const uint8 *buf, H5O_shared_t __unused__ *sh) * Thursday, April 2, 1998 * * Modifications: + * Robb Matzke, 1998-07-20 + * Added a version number to the beginning of the message. * *------------------------------------------------------------------------- */ @@ -124,6 +140,7 @@ H5O_shared_encode (H5F_t *f, uint8 *buf/*out*/, const void *_mesg) assert (mesg); /* Encode */ + *buf++ = H5O_SHARED_VERSION; flags = mesg->in_gh ? 0x01 : 0x00; *buf++ = flags; *buf++ = 0; /*reserved 1*/ @@ -132,7 +149,6 @@ H5O_shared_encode (H5F_t *f, uint8 *buf/*out*/, const void *_mesg) *buf++ = 0; /*reserved 4*/ *buf++ = 0; /*reserved 5*/ *buf++ = 0; /*reserved 6*/ - *buf++ = 0; /*reserved 7*/ if (mesg->in_gh) { H5F_addr_encode (f, &buf, &(mesg->u.gh.addr)); |