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Minor code beautification in regexp.c. 

Remove duplicated code (apparently introduced by commit c8ea87e4b).
Also get rid of some PG_USED_FOR_ASSERTS_ONLY variables we don't
really need to have.

Li Japin, Tom Lane

Discussion: https://postgr.es/m/PS1PR0601MB3770A5595B6E5E3FD6F35724B6360@PS1PR0601MB3770.apcprd06.prod.outlook.com
This commit is contained in:
Tom Lane 2020-01-16 11:31:30 -05:00
parent 1281a5c907
commit 0db7c67051
1 changed files with 7 additions and 11 deletions
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18
src/backend/utils/adt/regexp.c
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@ -63,7 +63,7 @@ typedef struct regexp_matches_ctx
Datum *elems; /* has npatterns elements */
bool *nulls; /* has npatterns elements */
pg_wchar *wide_str; /* wide-char version of original string */
char *conv_buf; /* conversion buffer */
char *conv_buf; /* conversion buffer, if needed */
int conv_bufsiz; /* size thereof */
} regexp_matches_ctx;
@ -1285,7 +1285,6 @@ static ArrayType *
build_regexp_match_result(regexp_matches_ctx *matchctx)
{
char *buf = matchctx->conv_buf;
int bufsiz PG_USED_FOR_ASSERTS_ONLY = matchctx->conv_bufsiz;
Datum *elems = matchctx->elems;
bool *nulls = matchctx->nulls;
int dims[1];
@ -1311,7 +1310,7 @@ build_regexp_match_result(regexp_matches_ctx *matchctx)
buf,
eo - so);
Assert(len < bufsiz);
Assert(len < matchctx->conv_bufsiz);
elems[i] = PointerGetDatum(cstring_to_text_with_len(buf, len));
nulls[i] = false;
}
@ -1467,25 +1466,22 @@ build_regexp_split_result(regexp_matches_ctx *splitctx)
if (startpos < 0)
elog(ERROR, "invalid match ending position");
endpos = splitctx->match_locs[splitctx->next_match * 2];
if (endpos < startpos)
elog(ERROR, "invalid match starting position");
if (buf)
{
int bufsiz PG_USED_FOR_ASSERTS_ONLY = splitctx->conv_bufsiz;
int len;
endpos = splitctx->match_locs[splitctx->next_match * 2];
if (endpos < startpos)
elog(ERROR, "invalid match starting position");
len = pg_wchar2mb_with_len(splitctx->wide_str + startpos,
buf,
endpos - startpos);
Assert(len < bufsiz);
Assert(len < splitctx->conv_bufsiz);
return PointerGetDatum(cstring_to_text_with_len(buf, len));
}
else
{
endpos = splitctx->match_locs[splitctx->next_match * 2];
if (endpos < startpos)
elog(ERROR, "invalid match starting position");
return DirectFunctionCall3(text_substr,
PointerGetDatum(splitctx->orig_str),
Int32GetDatum(startpos + 1),