From e251c6463913bcd7c9c40b4dc168010f6de68b5a Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Tue, 5 Nov 2024 21:09:53 +0100
Subject: Check for whitespace after regex using islbrk()

---
 src/util.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/util.c')

diff --git a/src/util.c b/src/util.c
index b5b1f8a..a946119 100644
--- a/src/util.c
+++ b/src/util.c
@@ -4,6 +4,8 @@
 #include <stdlib.h>
 
 #include <errors.h>
+#include <macros.h>
+#include <mbstring.h>
 #include <pcre2.h>
 
 #include "exitcodes.h"
@@ -47,4 +49,16 @@ getenv_posnum(const char *ev, int fallback)
 			return (int)n;
 	}
 	return fallback;
+}
+
+bool
+islbrk(u8view_t g)
+{
+	return ucseq(g, U8("\n"))
+	    || ucseq(g, U8("\v"))
+	    || ucseq(g, U8("\f"))
+	    || ucseq(g, U8("\r\n"))
+	    || ucseq(g, U8("\x85"))
+	    || ucseq(g, U8("\u2028"))
+	    || ucseq(g, U8("\u2029"));
 }
\ No newline at end of file
-- 
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