diff options
Diffstat (limited to 'src/backend/utils/adt/uuid.c')
| -rw-r--r-- | src/backend/utils/adt/uuid.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/backend/utils/adt/uuid.c b/src/backend/utils/adt/uuid.c index 73dfd711c73..2ca8fc69943 100644 --- a/src/backend/utils/adt/uuid.c +++ b/src/backend/utils/adt/uuid.c @@ -53,10 +53,13 @@ uuid_out(PG_FUNCTION_ARGS) { pg_uuid_t *uuid = PG_GETARG_UUID_P(0); static const char hex_chars[] = "0123456789abcdef"; - StringInfoData buf; + char *buf, + *p; int i; - initStringInfo(&buf); + /* counts for the four hyphens and the zero-terminator */ + buf = palloc(2 * UUID_LEN + 5); + p = buf; for (i = 0; i < UUID_LEN; i++) { int hi; @@ -68,16 +71,17 @@ uuid_out(PG_FUNCTION_ARGS) * ("-"). Therefore, add the hyphens at the appropriate places here. */ if (i == 4 || i == 6 || i == 8 || i == 10) - appendStringInfoChar(&buf, '-'); + *p++ = '-'; hi = uuid->data[i] >> 4; lo = uuid->data[i] & 0x0F; - appendStringInfoChar(&buf, hex_chars[hi]); - appendStringInfoChar(&buf, hex_chars[lo]); + *p++ = hex_chars[hi]; + *p++ = hex_chars[lo]; } + *p = '\0'; - PG_RETURN_CSTRING(buf.data); + PG_RETURN_CSTRING(buf); } /* |