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Remove ts_locale.c's t_isdigit(), t_isspace(), t_isprint()

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These do the same thing as the standard isdigit(), isspace(), and
isprint() but with multibyte and encoding support.  But all the
callers are only interested in analyzing single-byte ASCII characters.
So this extra layer is overkill and we can replace the uses with the
standard functions.

All the t_is*() functions in ts_locale.c are under scrutiny because
they don't use the common locale provider framework but instead use
the global libc locale settings.  For the functions being touched by
this patch, we don't need all that anyway, as mentioned above, so the
simplest solution is to just remove them.  The few remaining t_is*()
functions will need a different treatment in a separate patch.

pg_trgm has some compile-time options with macros such as
KEEPONLYALNUM.  These are not documented, and the non-default variant
is not supported by any test cases.  As part of this undertaking, I'm
removing the non-default variant, as it is in the way of cleanup.  So
in this case, the not-KEEPONLYALNUM code path is gone.

Reviewed-by: Jeff Davis <pgsql@j-davis.com>
Discussion: https://www.postgresql.org/message-id/flat/653f3b84-fc87-45a7-9a0c-bfb4fcab3e7d%40eisentraut.org
This commit is contained in:
Peter Eisentraut
2024-12-17 12:48:58 +01:00
parent 60be3f9f0a
commit d3aad4ac57
13 changed files with 49 additions and 103 deletions
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8
contrib/ltree/ltree_io.c
View File

@ -411,7 +411,7 @@ parse_lquery(const char *buf, struct Node *escontext)
case LQPRS_WAITFNUM:
if (t_iseq(ptr, ','))
state = LQPRS_WAITSNUM;
else if (t_isdigit(ptr))
else if (isdigit((unsigned char) *ptr))
{
int low = atoi(ptr);
@ -429,7 +429,7 @@ parse_lquery(const char *buf, struct Node *escontext)
UNCHAR;
break;
case LQPRS_WAITSNUM:
if (t_isdigit(ptr))
if (isdigit((unsigned char) *ptr))
{
int high = atoi(ptr);
@ -460,7 +460,7 @@ parse_lquery(const char *buf, struct Node *escontext)
case LQPRS_WAITCLOSE:
if (t_iseq(ptr, '}'))
state = LQPRS_WAITEND;
else if (!t_isdigit(ptr))
else if (!isdigit((unsigned char) *ptr))
UNCHAR;
break;
case LQPRS_WAITND:
@ -471,7 +471,7 @@ parse_lquery(const char *buf, struct Node *escontext)
}
else if (t_iseq(ptr, ','))
state = LQPRS_WAITSNUM;
else if (!t_isdigit(ptr))
else if (!isdigit((unsigned char) *ptr))
UNCHAR;
break;
case LQPRS_WAITEND: