v0-0012-syncrep-parser-Simplify-flex-scan-buffer-manageme.patch
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Filename: v0-0012-syncrep-parser-Simplify-flex-scan-buffer-manageme.patch
Type: text/plain
Part: 11
Message:
pure parsers and reentrant scanners
Patch
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API reference →
Format: format-patch
Series: patch v0-0012
Subject: syncrep parser: Simplify flex scan buffer management
| File | + | − |
|---|---|---|
| src/backend/replication/syncrep_scanner.l | 1 | 9 |
From 88ca33889a7bc2f6986d0fbb8c8fc3c201d43ab6 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter@eisentraut.org>
Date: Mon, 2 Dec 2024 10:35:37 +0100
Subject: [PATCH v0 12/15] syncrep parser: Simplify flex scan buffer management
---
src/backend/replication/syncrep_scanner.l | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/src/backend/replication/syncrep_scanner.l b/src/backend/replication/syncrep_scanner.l
index ac2eecd7804..9c0f4fc2c19 100644
--- a/src/backend/replication/syncrep_scanner.l
+++ b/src/backend/replication/syncrep_scanner.l
@@ -148,8 +148,6 @@ syncrep_yyerror(yyscan_t yyscanner, const char *message)
void
syncrep_scanner_init(const char *str, yyscan_t *yyscannerp)
{
- Size slen = strlen(str);
- char *scanbuf;
yyscan_t yyscanner;
if (yylex_init(yyscannerp) != 0)
@@ -157,13 +155,7 @@ syncrep_scanner_init(const char *str, yyscan_t *yyscannerp)
yyscanner = *yyscannerp;
- /*
- * Make a scan buffer with special termination needed by flex.
- */
- scanbuf = (char *) palloc(slen + 2);
- memcpy(scanbuf, str, slen);
- scanbuf[slen] = scanbuf[slen + 1] = YY_END_OF_BUFFER_CHAR;
- yy_scan_buffer(scanbuf, slen + 2, yyscanner);
+ yy_scan_string(str, yyscanner);
}
void
--
2.47.1