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-rw-r--r--src/backend/utils/adt/uuid.c86
-rw-r--r--src/include/utils/uuid.h10
2 files changed, 49 insertions, 47 deletions
diff --git a/src/backend/utils/adt/uuid.c b/src/backend/utils/adt/uuid.c
index 124d430dbfa..f0b22c83f5a 100644
--- a/src/backend/utils/adt/uuid.c
+++ b/src/backend/utils/adt/uuid.c
@@ -6,7 +6,7 @@
* Copyright (c) 2007, PostgreSQL Global Development Group
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/uuid.c,v 1.1 2007/01/28 16:16:52 neilc Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/uuid.c,v 1.2 2007/01/28 20:25:38 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@@ -35,50 +35,49 @@
/* uuid size in bytes */
#define UUID_LEN 16
-/* The uuid_t type is declared as struct uuid_t in uuid.h */
-struct uuid_t
+/* pg_uuid_t is declared to be struct pg_uuid_t in uuid.h */
+struct pg_uuid_t
{
char data[UUID_LEN];
};
-static void uuid_data_from_string(const char *source, unsigned char *data);
-static void string_from_uuid_data(const char *fmt, const char *data, char *uuid_str);
+static void string_to_uuid(const char *source, pg_uuid_t *uuid);
+static void uuid_to_string(const char *fmt, const pg_uuid_t *uuid,
+ char *uuid_str);
static bool parse_uuid_string(const char *fmt, const char *chk_fmt,
- const char *source, unsigned char *data);
+ const char *source, char *data);
static bool is_valid_format(const char *source, const char *fmt);
-static int32 uuid_internal_cmp(uuid_t *arg1, uuid_t *arg2);
+static int uuid_internal_cmp(const pg_uuid_t *arg1, const pg_uuid_t *arg2);
Datum
uuid_in(PG_FUNCTION_ARGS)
{
char *uuid_str = PG_GETARG_CSTRING(0);
- uuid_t *uuid;
- uint8 data[UUID_LEN];
+ pg_uuid_t *uuid;
- uuid_data_from_string(uuid_str, data);
- uuid = (uuid_t *) palloc(sizeof(uuid_t));
- memcpy(uuid->data, data, UUID_LEN);
+ uuid = (pg_uuid_t *) palloc(sizeof(*uuid));
+ string_to_uuid(uuid_str, uuid);
PG_RETURN_UUID_P(uuid);
}
Datum
uuid_out(PG_FUNCTION_ARGS)
{
- uuid_t *uuid = (uuid_t *) PG_GETARG_POINTER(0);
+ pg_uuid_t *uuid = PG_GETARG_UUID_P(0);
char *uuid_str;
uuid_str = (char *) palloc(PRINT_SIZE);
- string_from_uuid_data(UUID_FMT1, uuid->data, uuid_str);
+ uuid_to_string(UUID_FMT1, uuid, uuid_str);
PG_RETURN_CSTRING(uuid_str);
}
/* string to uuid convertor by various format types */
static void
-uuid_data_from_string(const char *source, unsigned char *data)
+string_to_uuid(const char *source, pg_uuid_t *uuid)
{
- if (!parse_uuid_string(UUID_FMT1, UUID_CHK_FMT1, source, data) &&
- !parse_uuid_string(UUID_FMT2, UUID_CHK_FMT2, source, data) &&
- !parse_uuid_string(UUID_FMT3, UUID_CHK_FMT3, source, data))
+ if (!parse_uuid_string(UUID_FMT1, UUID_CHK_FMT1, source, uuid->data) &&
+ !parse_uuid_string(UUID_FMT2, UUID_CHK_FMT2, source, uuid->data) &&
+ !parse_uuid_string(UUID_FMT3, UUID_CHK_FMT3, source, uuid->data))
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
@@ -126,7 +125,7 @@ is_valid_format(const char *source, const char *fmt)
/* parse the uuid string to a format and return true if okay */
static bool
parse_uuid_string(const char *fmt, const char *chk_fmt,
- const char *source, unsigned char *data)
+ const char *source, char *data)
{
int result = sscanf(source, fmt,
&data[0], &data[1], &data[2], &data[3], &data[4],
@@ -139,8 +138,9 @@ parse_uuid_string(const char *fmt, const char *chk_fmt,
/* create a string representation of the uuid */
static void
-string_from_uuid_data(const char *fmt, const char *data, char *uuid_str)
+uuid_to_string(const char *fmt, const pg_uuid_t *uuid, char *uuid_str)
{
+ const char *data = uuid->data;
snprintf(uuid_str, PRINT_SIZE, fmt,
data[0], data[1], data[2], data[3], data[4],
data[5], data[6], data[7], data[8], data[9],
@@ -152,9 +152,9 @@ Datum
uuid_recv(PG_FUNCTION_ARGS)
{
StringInfo buffer = (StringInfo) PG_GETARG_POINTER(0);
- uuid_t *uuid;
+ pg_uuid_t *uuid;
- uuid = (uuid_t *) palloc(UUID_LEN);
+ uuid = (pg_uuid_t *) palloc(UUID_LEN);
memcpy(uuid->data, pq_getmsgbytes(buffer, UUID_LEN), UUID_LEN);
PG_RETURN_POINTER(uuid);
}
@@ -162,7 +162,7 @@ uuid_recv(PG_FUNCTION_ARGS)
Datum
uuid_send(PG_FUNCTION_ARGS)
{
- uuid_t *uuid = PG_GETARG_UUID_P(0);
+ pg_uuid_t *uuid = PG_GETARG_UUID_P(0);
StringInfoData buffer;
pq_begintypsend(&buffer);
@@ -171,8 +171,8 @@ uuid_send(PG_FUNCTION_ARGS)
}
/* internal uuid compare function */
-static int32
-uuid_internal_cmp(uuid_t *arg1, uuid_t *arg2)
+static int
+uuid_internal_cmp(const pg_uuid_t *arg1, const pg_uuid_t *arg2)
{
return memcmp(arg1->data, arg2->data, UUID_LEN);
}
@@ -180,8 +180,8 @@ uuid_internal_cmp(uuid_t *arg1, uuid_t *arg2)
Datum
uuid_lt(PG_FUNCTION_ARGS)
{
- uuid_t *arg1 = PG_GETARG_UUID_P(0);
- uuid_t *arg2 = PG_GETARG_UUID_P(1);
+ pg_uuid_t *arg1 = PG_GETARG_UUID_P(0);
+ pg_uuid_t *arg2 = PG_GETARG_UUID_P(1);
PG_RETURN_BOOL(uuid_internal_cmp(arg1, arg2) < 0);
}
@@ -189,8 +189,8 @@ uuid_lt(PG_FUNCTION_ARGS)
Datum
uuid_le(PG_FUNCTION_ARGS)
{
- uuid_t *arg1 = PG_GETARG_UUID_P(0);
- uuid_t *arg2 = PG_GETARG_UUID_P(1);
+ pg_uuid_t *arg1 = PG_GETARG_UUID_P(0);
+ pg_uuid_t *arg2 = PG_GETARG_UUID_P(1);
PG_RETURN_BOOL(uuid_internal_cmp(arg1, arg2) <= 0);
}
@@ -198,8 +198,8 @@ uuid_le(PG_FUNCTION_ARGS)
Datum
uuid_eq(PG_FUNCTION_ARGS)
{
- uuid_t *arg1 = PG_GETARG_UUID_P(0);
- uuid_t *arg2 = PG_GETARG_UUID_P(1);
+ pg_uuid_t *arg1 = PG_GETARG_UUID_P(0);
+ pg_uuid_t *arg2 = PG_GETARG_UUID_P(1);
PG_RETURN_BOOL(uuid_internal_cmp(arg1, arg2) == 0);
}
@@ -207,8 +207,8 @@ uuid_eq(PG_FUNCTION_ARGS)
Datum
uuid_ge(PG_FUNCTION_ARGS)
{
- uuid_t *arg1 = PG_GETARG_UUID_P(0);
- uuid_t *arg2 = PG_GETARG_UUID_P(1);
+ pg_uuid_t *arg1 = PG_GETARG_UUID_P(0);
+ pg_uuid_t *arg2 = PG_GETARG_UUID_P(1);
PG_RETURN_BOOL(uuid_internal_cmp(arg1, arg2) >= 0);
}
@@ -216,8 +216,8 @@ uuid_ge(PG_FUNCTION_ARGS)
Datum
uuid_gt(PG_FUNCTION_ARGS)
{
- uuid_t *arg1 = PG_GETARG_UUID_P(0);
- uuid_t *arg2 = PG_GETARG_UUID_P(1);
+ pg_uuid_t *arg1 = PG_GETARG_UUID_P(0);
+ pg_uuid_t *arg2 = PG_GETARG_UUID_P(1);
PG_RETURN_BOOL(uuid_internal_cmp(arg1, arg2) > 0);
}
@@ -225,8 +225,8 @@ uuid_gt(PG_FUNCTION_ARGS)
Datum
uuid_ne(PG_FUNCTION_ARGS)
{
- uuid_t *arg1 = PG_GETARG_UUID_P(0);
- uuid_t *arg2 = PG_GETARG_UUID_P(1);
+ pg_uuid_t *arg1 = PG_GETARG_UUID_P(0);
+ pg_uuid_t *arg2 = PG_GETARG_UUID_P(1);
PG_RETURN_BOOL(uuid_internal_cmp(arg1, arg2) != 0);
}
@@ -235,8 +235,8 @@ uuid_ne(PG_FUNCTION_ARGS)
Datum
uuid_cmp(PG_FUNCTION_ARGS)
{
- uuid_t *arg1 = PG_GETARG_UUID_P(0);
- uuid_t *arg2 = PG_GETARG_UUID_P(1);
+ pg_uuid_t *arg1 = PG_GETARG_UUID_P(0);
+ pg_uuid_t *arg2 = PG_GETARG_UUID_P(1);
PG_RETURN_INT32(uuid_internal_cmp(arg1, arg2));
}
@@ -245,8 +245,8 @@ uuid_cmp(PG_FUNCTION_ARGS)
Datum
uuid_hash(PG_FUNCTION_ARGS)
{
- uuid_t *key = PG_GETARG_UUID_P(0);
- return hash_any((unsigned char *) key, sizeof(uuid_t));
+ pg_uuid_t *key = PG_GETARG_UUID_P(0);
+ return hash_any((unsigned char *) key, sizeof(pg_uuid_t));
}
/* cast text to uuid */
@@ -272,8 +272,8 @@ text_uuid(PG_FUNCTION_ARGS)
Datum
uuid_text(PG_FUNCTION_ARGS)
{
- uuid_t *uuid = PG_GETARG_UUID_P(0);
- Datum uuid_str = DirectFunctionCall1(uuid_out, UUIDPGetDatum(uuid));
+ pg_uuid_t *uuid = PG_GETARG_UUID_P(0);
+ Datum uuid_str = DirectFunctionCall1(uuid_out, UUIDPGetDatum(uuid));
PG_RETURN_DATUM(DirectFunctionCall1(textin, uuid_str));
}
diff --git a/src/include/utils/uuid.h b/src/include/utils/uuid.h
index 12cb00a0b71..4817939d528 100644
--- a/src/include/utils/uuid.h
+++ b/src/include/utils/uuid.h
@@ -1,11 +1,13 @@
/*-------------------------------------------------------------------------
*
* uuid.h
- * Header file for the "uuid" data type.
+ * Header file for the "uuid" ADT. In C, we use the name pg_uuid_t,
+ * to avoid conflicts with any uuid_t type that might be defined by
+ * the system headers.
*
* Copyright (c) 2007, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/include/utils/uuid.h,v 1.1 2007/01/28 16:16:54 neilc Exp $
+ * $PostgreSQL: pgsql/src/include/utils/uuid.h,v 1.2 2007/01/28 20:25:38 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@@ -16,12 +18,12 @@
#define UUID_LEN 16
/* opaque struct; defined in uuid.c */
-typedef struct uuid_t uuid_t;
+typedef struct pg_uuid_t pg_uuid_t;
/* fmgr interface macros */
#define UUIDPGetDatum(X) PointerGetDatum(X)
#define PG_RETURN_UUID_P(X) return UUIDPGetDatum(X)
-#define DatumGetUUIDP(X) ((uuid_t *) DatumGetPointer(X))
+#define DatumGetUUIDP(X) ((pg_uuid_t *) DatumGetPointer(X))
#define PG_GETARG_UUID_P(X) DatumGetUUIDP(PG_GETARG_DATUM(X))
#endif /* UUID_H */
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-22 18:18:10 +0000