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Make to_hex() behave portably on negative input values (treat them as

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unsigned integers).  Per report from Jim Crate.
This commit is contained in:
Tom Lane 2003-12-19 04:56:54 +00:00
parent acae15faf3
commit 035a7ea584
1 changed files with 9 additions and 9 deletions
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18
src/backend/utils/adt/varlena.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.106.2.1 2003/11/30 20:53:43 joe Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.106.2.2 2003/12/19 04:56:54 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -2230,11 +2230,11 @@ array_to_text(PG_FUNCTION_ARGS)
Datum Datum
to_hex32(PG_FUNCTION_ARGS) to_hex32(PG_FUNCTION_ARGS)
{ {
static char digits[] = "0123456789abcdef"; uint32 value = (uint32) PG_GETARG_INT32(0);
char buf[32]; /* bigger than needed, but reasonable */
char *ptr;
text *result_text; text *result_text;
int32 value = PG_GETARG_INT32(0); char *ptr;
const char *digits = "0123456789abcdef";
char buf[32]; /* bigger than needed, but reasonable */
ptr = buf + sizeof(buf) - 1; ptr = buf + sizeof(buf) - 1;
*ptr = '\0'; *ptr = '\0';
@ -2256,11 +2256,11 @@ to_hex32(PG_FUNCTION_ARGS)
Datum Datum
to_hex64(PG_FUNCTION_ARGS) to_hex64(PG_FUNCTION_ARGS)
{ {
static char digits[] = "0123456789abcdef"; uint64 value = (uint64) PG_GETARG_INT64(0);
char buf[32]; /* bigger than needed, but reasonable */
char *ptr;
text *result_text; text *result_text;
int64 value = PG_GETARG_INT64(0); char *ptr;
const char *digits = "0123456789abcdef";
char buf[32]; /* bigger than needed, but reasonable */
ptr = buf + sizeof(buf) - 1; ptr = buf + sizeof(buf) - 1;
*ptr = '\0'; *ptr = '\0';