From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Mon, 1 Sep 2025 12:21:12 +0000 (+0300)
Subject: lib-regex: Fail if PCRE2_SUBSTITUTE_LITERAL is not supported by pcre2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=320eccab4446fb0083c623c22c9fd86ac7e3da21;p=thirdparty%2Fdovecot%2Fcore.git

lib-regex: Fail if PCRE2_SUBSTITUTE_LITERAL is not supported by pcre2
---

diff --git a/src/lib-regex/regex.c b/src/lib-regex/regex.c
index 66c5f6238e..e402e6a49d 100644
--- a/src/lib-regex/regex.c
+++ b/src/lib-regex/regex.c
@@ -369,8 +369,14 @@ int dregex_code_replace_full(struct dregex_code *code,
 		options |= PCRE2_ANCHORED;
 	if (HAS_ALL_BITS(flags, DREGEX_REPLACE_ALL))
 		options |= PCRE2_SUBSTITUTE_GLOBAL;
-	if (HAS_ALL_BITS(flags, DREGEX_REPLACE_LITERAL))
+	if (HAS_ALL_BITS(flags, DREGEX_REPLACE_LITERAL)) {
+#ifdef PCRE2_SUBSTITUTE_LITERAL
 		options |= PCRE2_SUBSTITUTE_LITERAL;
+#else
+		*error_r = "DREGEX_REPLACE_LITERAL not supported on this platform";
+		return -1;
+#endif
+	}
 
 	PCRE2_UCHAR *result32 = U"";
 	PCRE2_SIZE result_len = 0;