From 088955536012d1f693c24f58917730da83d52d16 Mon Sep 17 00:00:00 2001
From: "James K. Lowden" <jklowden@symas.com>
Date: Thu, 25 Apr 2024 10:18:43 -0400
Subject: [PATCH] reduce dts::regex memory overhead
---
gcc/cobol/dts.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/gcc/cobol/dts.h b/gcc/cobol/dts.h
index 918ed08e1ff9..893ef87502b0 100644
--- a/gcc/cobol/dts.h
+++ b/gcc/cobol/dts.h
@@ -24,6 +24,8 @@
#include <err.h>
#include <regex.h>
+void yyerrorv( const char fmt[], ... );
+
namespace dts {
class csub_match : public regmatch_t {
const char *input;
@@ -70,12 +72,16 @@ namespace dts {
throw std::logic_error(msg);
#else
pattern = NULL;
- warnx("error: %s", msg);
+ yyerrorv("error: %s", msg);
#endif
}
}
+ ~regex() { regfree(this); }
+
size_t size() const { return nsubexpr; }
bool ready() const { return pattern != NULL; }
+ private:
+ regex( const regex& ) {}
};
inline bool regex_search( const char input[], const char *eoinput,
--
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