diff options
Diffstat (limited to 'shared/ossp_uuid/pgsql/uuid.c')
| -rw-r--r-- | shared/ossp_uuid/pgsql/uuid.c | 436 |
1 files changed, 0 insertions, 436 deletions
diff --git a/shared/ossp_uuid/pgsql/uuid.c b/shared/ossp_uuid/pgsql/uuid.c deleted file mode 100644 index 023eda96..00000000 --- a/shared/ossp_uuid/pgsql/uuid.c +++ /dev/null @@ -1,436 +0,0 @@ -/* -** OSSP uuid - Universally Unique Identifier -** Copyright (c) 2004-2007 Ralf S. Engelschall <rse@engelschall.com> -** Copyright (c) 2004-2007 The OSSP Project <http://www.ossp.org/> -** -** This file is part of OSSP uuid, a library for the generation -** of UUIDs which can found at http://www.ossp.org/pkg/lib/uuid/ -** -** Permission to use, copy, modify, and distribute this software for -** any purpose with or without fee is hereby granted, provided that -** the above copyright notice and this permission notice appear in all -** copies. -** -** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED -** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR -** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF -** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT -** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -** SUCH DAMAGE. -** -** uuid.c: PostgreSQL Binding (C part) -*/ - -/* own headers */ -#include "uuid.h" - -/* PostgreSQL (part 1/2) headers */ -#include "postgres.h" - -/* system headers */ -#include <string.h> - -/* PostgreSQL (part 2/2) headers */ -#include "fmgr.h" -#include "lib/stringinfo.h" -#include "access/hash.h" - -/* PostgreSQL module magic cookie - (PostgreSQL >= 8.2 only) */ -#ifdef PG_MODULE_MAGIC -PG_MODULE_MAGIC; -#endif - -/* internal UUID datum data structure */ -typedef struct { - unsigned char uuid_bin[UUID_LEN_BIN]; -} uuid_datum_t; - -/* forward declarations */ -Datum pg_uuid_in (PG_FUNCTION_ARGS); -Datum pg_uuid_out (PG_FUNCTION_ARGS); -Datum pg_uuid_recv (PG_FUNCTION_ARGS); -Datum pg_uuid_send (PG_FUNCTION_ARGS); -Datum pg_uuid_hash (PG_FUNCTION_ARGS); -Datum pg_uuid_make (PG_FUNCTION_ARGS); -Datum pg_uuid_eq (PG_FUNCTION_ARGS); -Datum pg_uuid_ne (PG_FUNCTION_ARGS); -Datum pg_uuid_lt (PG_FUNCTION_ARGS); -Datum pg_uuid_gt (PG_FUNCTION_ARGS); -Datum pg_uuid_le (PG_FUNCTION_ARGS); -Datum pg_uuid_ge (PG_FUNCTION_ARGS); -Datum pg_uuid_cmp (PG_FUNCTION_ARGS); - -/* API function: uuid_in */ -PG_FUNCTION_INFO_V1(pg_uuid_in); -Datum pg_uuid_in(PG_FUNCTION_ARGS) -{ - char *uuid_str; - uuid_datum_t *uuid_datum; - uuid_rc_t rc; - uuid_t *uuid; - void *vp; - size_t len; - - /* sanity check input argument */ - if ((uuid_str = PG_GETARG_CSTRING(0)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid UUID string"))); - if ((len = strlen(uuid_str)) != UUID_LEN_STR) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid UUID string length %d (expected %d)", (int)len, UUID_LEN_STR))); - - /* import as string representation */ - if ((rc = uuid_create(&uuid)) != UUID_RC_OK) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to create UUID object: %s", uuid_error(rc)))); - if ((rc = uuid_import(uuid, UUID_FMT_STR, uuid_str, len)) != UUID_RC_OK) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to import UUID string representation: %s", uuid_error(rc)))); - } - - /* export as binary representation */ - if ((uuid_datum = (uuid_datum_t *)palloc(sizeof(uuid_datum_t))) == NULL) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to allocate UUID datum"))); - } - vp = &(uuid_datum->uuid_bin); - len = sizeof(uuid_datum->uuid_bin); - if ((rc = uuid_export(uuid, UUID_FMT_BIN, &vp, &len)) != UUID_RC_OK) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to export UUID binary representation: %s", uuid_error(rc)))); - } - uuid_destroy(uuid); - - /* return UUID datum */ - PG_RETURN_POINTER(uuid_datum); -} - -/* API function: uuid_out */ -PG_FUNCTION_INFO_V1(pg_uuid_out); -Datum pg_uuid_out(PG_FUNCTION_ARGS) -{ - uuid_datum_t *uuid_datum; - uuid_rc_t rc; - uuid_t *uuid; - char *uuid_str; - void *vp; - size_t len; - - /* sanity check input argument */ - if ((uuid_datum = (uuid_datum_t *)PG_GETARG_POINTER(0)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid UUID datum"))); - - /* import as binary representation */ - if ((rc = uuid_create(&uuid)) != UUID_RC_OK) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to create UUID object: %s", uuid_error(rc)))); - if ((rc = uuid_import(uuid, UUID_FMT_BIN, uuid_datum->uuid_bin, sizeof(uuid_datum->uuid_bin))) != UUID_RC_OK) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to import UUID binary representation: %s", uuid_error(rc)))); - } - - /* export as string representation */ - len = UUID_LEN_STR+1; - if ((vp = uuid_str = (char *)palloc(len)) == NULL) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to allocate UUID string"))); - } - if ((rc = uuid_export(uuid, UUID_FMT_STR, &vp, &len)) != UUID_RC_OK) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to export UUID string representation: %s", uuid_error(rc)))); - } - uuid_destroy(uuid); - - /* return UUID string */ - PG_RETURN_CSTRING(uuid_str); -} - -/* API function: uuid_recv */ -PG_FUNCTION_INFO_V1(pg_uuid_recv); -Datum pg_uuid_recv(PG_FUNCTION_ARGS) -{ - StringInfo uuid_internal; - uuid_datum_t *uuid_datum; - - /* sanity check input argument */ - if ((uuid_internal = (StringInfo)PG_GETARG_POINTER(0)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid UUID StringInfo object"))); - if (uuid_internal->len != UUID_LEN_BIN) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid UUID binary length %d (expected %d)", uuid_internal->len, UUID_LEN_BIN))); - - /* import as binary representation */ - if ((uuid_datum = (uuid_datum_t *)palloc(sizeof(uuid_datum_t))) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to allocate UUID datum"))); - memcpy(uuid_datum->uuid_bin, uuid_internal->data, uuid_internal->len); - - /* return UUID datum */ - PG_RETURN_POINTER(uuid_datum); -} - -/* API function: uuid_send */ -PG_FUNCTION_INFO_V1(pg_uuid_send); -Datum pg_uuid_send(PG_FUNCTION_ARGS) -{ - uuid_datum_t *uuid_datum; - bytea *uuid_bytea; - - /* sanity check input argument */ - if ((uuid_datum = (uuid_datum_t *)PG_GETARG_POINTER(0)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid UUID datum"))); - - /* export as binary representation */ - if ((uuid_bytea = (bytea *)palloc(VARHDRSZ + UUID_LEN_BIN)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to allocate UUID bytea"))); -#if defined(SET_VARSIZE) /* PostgreSQL >= 8.3 */ - SET_VARSIZE(uuid_bytea, VARHDRSZ + UUID_LEN_BIN); -#else - uuid_bytea->vl_len = VARHDRSZ + UUID_LEN_BIN; -#endif - memcpy(uuid_bytea->vl_dat, uuid_datum->uuid_bin, UUID_LEN_BIN); - - /* return UUID bytea */ - PG_RETURN_BYTEA_P(uuid_bytea); -} - -/* API function: uuid_make */ -PG_FUNCTION_INFO_V1(pg_uuid_make); -Datum pg_uuid_make(PG_FUNCTION_ARGS) -{ - uuid_t *uuid; - uuid_t *uuid_ns; - uuid_rc_t rc; - int version; - unsigned int mode = 0; - uuid_datum_t *uuid_datum; - char *str_ns; - char *str_name; - void *vp; - size_t len; - - /* sanity check input argument */ - version = (int)PG_GETARG_INT32(0); - switch (version) { - case 1: mode = UUID_MAKE_V1; break; - case 3: mode = UUID_MAKE_V3; break; - case 4: mode = UUID_MAKE_V4; break; - case 5: mode = UUID_MAKE_V5; break; - default: - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid UUID version %d (expected 1, 3, 4 or 5)", version))); - } - if ( ((mode & (UUID_MAKE_V1|UUID_MAKE_V4)) && PG_NARGS() != 1) - || ((mode & (UUID_MAKE_V3|UUID_MAKE_V5)) && PG_NARGS() != 3)) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid number (%d) of arguments", PG_NARGS()))); - - /* make a new UUID */ - if ((rc = uuid_create(&uuid)) != UUID_RC_OK) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to create UUID object: %s", uuid_error(rc)))); - if (version == 3 || version == 5) { - if ((str_ns = PG_GETARG_CSTRING(1)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid namespace UUID string"))); - if ((str_name = PG_GETARG_CSTRING(2)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid name string"))); - if ((rc = uuid_create(&uuid_ns)) != UUID_RC_OK) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to create UUID namespace object: %s", uuid_error(rc)))); - if ((rc = uuid_load(uuid_ns, str_ns)) != UUID_RC_OK) { - if ((rc = uuid_import(uuid_ns, UUID_FMT_STR, str_ns, strlen(str_ns))) != UUID_RC_OK) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to import UUID namespace: %s", uuid_error(rc)))); - } - if ((rc = uuid_make(uuid, mode, uuid_ns, str_name)) != UUID_RC_OK) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to make v%d UUID: %s", version, uuid_error(rc)))); - } - uuid_destroy(uuid_ns); - } - else { - if ((rc = uuid_make(uuid, mode)) != UUID_RC_OK) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to make v%d UUID: %s", version, uuid_error(rc)))); - } - } - - /* export as binary representation */ - if ((uuid_datum = (uuid_datum_t *)palloc(sizeof(uuid_datum_t))) == NULL) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to allocate UUID datum"))); - } - vp = &(uuid_datum->uuid_bin); - len = sizeof(uuid_datum->uuid_bin); - if ((rc = uuid_export(uuid, UUID_FMT_BIN, &vp, &len)) != UUID_RC_OK) { - uuid_destroy(uuid); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to export UUID binary representation: %s", uuid_error(rc)))); - } - uuid_destroy(uuid); - PG_RETURN_POINTER(uuid_datum); -} - -/* API function: uuid_hash */ -PG_FUNCTION_INFO_V1(pg_uuid_hash); -Datum pg_uuid_hash(PG_FUNCTION_ARGS) -{ - uuid_datum_t *uuid_datum; - - /* sanity check input argument */ - if ((uuid_datum = (uuid_datum_t *)PG_GETARG_POINTER(0)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid UUID datum argument"))); - - /* return hash value of the UUID */ - PG_RETURN_INT32(hash_any(uuid_datum->uuid_bin, sizeof(uuid_datum->uuid_bin))); -} - -/* INTERNAL function: _uuid_cmp */ -static int _uuid_cmp(PG_FUNCTION_ARGS) -{ - uuid_datum_t *uuid_datum1; - uuid_datum_t *uuid_datum2; - uuid_t *uuid1; - uuid_t *uuid2; - uuid_rc_t rc; - int result; - - /* sanity check input argument */ - if ((uuid_datum1 = (uuid_datum_t *)PG_GETARG_POINTER(0)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid first UUID datum argument"))); - if ((uuid_datum2 = (uuid_datum_t *)PG_GETARG_POINTER(1)) == NULL) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("invalid second UUID datum argument"))); - - /* load both UUIDs */ - if ((rc = uuid_create(&uuid1)) != UUID_RC_OK) - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to create UUID object: %s", uuid_error(rc)))); - if ((rc = uuid_create(&uuid2)) != UUID_RC_OK) { - uuid_destroy(uuid1); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to create UUID object: %s", uuid_error(rc)))); - } - if ((rc = uuid_import(uuid1, UUID_FMT_BIN, uuid_datum1->uuid_bin, sizeof(uuid_datum1->uuid_bin))) != UUID_RC_OK) { - uuid_destroy(uuid1); - uuid_destroy(uuid2); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to import UUID: %s", uuid_error(rc)))); - } - if ((rc = uuid_import(uuid2, UUID_FMT_BIN, uuid_datum2->uuid_bin, sizeof(uuid_datum2->uuid_bin))) != UUID_RC_OK) { - uuid_destroy(uuid1); - uuid_destroy(uuid2); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to import UUID: %s", uuid_error(rc)))); - } - - /* compare UUIDs */ - if ((rc = uuid_compare(uuid1, uuid2, &result)) != UUID_RC_OK) { - uuid_destroy(uuid1); - uuid_destroy(uuid2); - ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION), - errmsg("failed to compare UUID objects: %s", uuid_error(rc)))); - } - - /* cleanup */ - uuid_destroy(uuid1); - uuid_destroy(uuid2); - - /* return result */ - return result; -} - -/* API function: uuid_eq */ -PG_FUNCTION_INFO_V1(pg_uuid_eq); -Datum pg_uuid_eq(PG_FUNCTION_ARGS) -{ - int rc; - - rc = _uuid_cmp(fcinfo); - PG_RETURN_BOOL(rc == 0); -} - -/* API function: uuid_ne */ -PG_FUNCTION_INFO_V1(pg_uuid_ne); -Datum pg_uuid_ne(PG_FUNCTION_ARGS) -{ - int rc; - - rc = _uuid_cmp(fcinfo); - PG_RETURN_BOOL(rc != 0); -} - -/* API function: uuid_lt */ -PG_FUNCTION_INFO_V1(pg_uuid_lt); -Datum pg_uuid_lt(PG_FUNCTION_ARGS) -{ - int rc; - - rc = _uuid_cmp(fcinfo); - PG_RETURN_BOOL(rc == -1); -} - -/* API function: uuid_gt */ -PG_FUNCTION_INFO_V1(pg_uuid_gt); -Datum pg_uuid_gt(PG_FUNCTION_ARGS) -{ - int rc; - - rc = _uuid_cmp(fcinfo); - PG_RETURN_BOOL(rc == 1); -} - -/* API function: uuid_le */ -PG_FUNCTION_INFO_V1(pg_uuid_le); -Datum pg_uuid_le(PG_FUNCTION_ARGS) -{ - int rc; - - rc = _uuid_cmp(fcinfo); - PG_RETURN_BOOL(rc < 1); -} - -/* API function: uuid_ge */ -PG_FUNCTION_INFO_V1(pg_uuid_ge); -Datum pg_uuid_ge(PG_FUNCTION_ARGS) -{ - int rc; - - rc = _uuid_cmp(fcinfo); - PG_RETURN_BOOL(rc > -1); -} - -/* API function: uuid_cmp */ -PG_FUNCTION_INFO_V1(pg_uuid_cmp); -Datum pg_uuid_cmp(PG_FUNCTION_ARGS) -{ - int rc; - - rc = _uuid_cmp(fcinfo); - PG_RETURN_INT32(rc); -} - |