v1-0017-bootstrap-Use-palloc-instead-of-malloc-for-flex.patch
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Filename: v1-0017-bootstrap-Use-palloc-instead-of-malloc-for-flex.patch
Type: text/plain
Part: 16
Patch
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Format: format-patch
Series: patch v1-0017
Subject: bootstrap: Use palloc() instead of malloc() for flex
| File | + | − |
|---|---|---|
| src/backend/bootstrap/bootscanner.l | 30 | 0 |
From dfb1624981c5c5b517e5049b5274fc5d45eac177 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter@eisentraut.org>
Date: Tue, 3 Dec 2024 15:28:16 +0100
Subject: [PATCH v1 17/19] bootstrap: Use palloc() instead of malloc() for flex
---
src/backend/bootstrap/bootscanner.l | 30 +++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/src/backend/bootstrap/bootscanner.l b/src/backend/bootstrap/bootscanner.l
index c4e7139fa41..ad33b4e3fd8 100644
--- a/src/backend/bootstrap/bootscanner.l
+++ b/src/backend/bootstrap/bootscanner.l
@@ -49,6 +49,9 @@ fprintf_to_ereport(const char *fmt, const char *msg)
%option noinput
%option nounput
%option noyywrap
+%option noyyalloc
+%option noyyrealloc
+%option noyyfree
%option warn
%option prefix="boot_yy"
@@ -132,3 +135,30 @@ boot_yyerror(yyscan_t yyscanner, const char *message)
elog(ERROR, "%s at line %d", message, yylineno);
}
+
+/*
+ * Interface functions to make flex use palloc() instead of malloc().
+ * It'd be better to make these static, but flex insists otherwise.
+ */
+
+void *
+yyalloc(yy_size_t size, yyscan_t yyscanner)
+{
+ return palloc(size);
+}
+
+void *
+yyrealloc(void *ptr, yy_size_t size, yyscan_t yyscanner)
+{
+ if (ptr)
+ return repalloc(ptr, size);
+ else
+ return palloc(size);
+}
+
+void
+yyfree(void *ptr, yyscan_t yyscanner)
+{
+ if (ptr)
+ pfree(ptr);
+}
--
2.47.1