From aa8344e04bfe950cc9f5e45352cd8202295e0cdf Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Sat, 16 Dec 2023 11:54:18 -0500
Subject: bfstd: New xwcwidth() wrapper

---
 src/bfstd.c | 2 +-
 src/bfstd.h | 5 +++++
 src/eval.c  | 2 +-
 3 files changed, 7 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/bfstd.c b/src/bfstd.c
index 9ffa8e6..a3e22f5 100644
--- a/src/bfstd.c
+++ b/src/bfstd.c
@@ -658,7 +658,7 @@ size_t xstrwidth(const char *str) {
 			// Assume a single-width '?'
 			++ret;
 		} else {
-			ret += BFS_INTERCEPT(wcwidth)(wc);
+			ret += xwcwidth(wc);
 		}
 	}
 
diff --git a/src/bfstd.h b/src/bfstd.h
index 58e504c..0fcb892 100644
--- a/src/bfstd.h
+++ b/src/bfstd.h
@@ -390,6 +390,11 @@ wint_t xmbrtowc(const char *str, size_t *i, size_t len, mbstate_t *mb);
  */
 size_t xstrwidth(const char *str);
 
+/**
+ * wcwidth() wrapper that works around LLVM bug #65532.
+ */
+#define xwcwidth BFS_INTERCEPT(wcwidth)
+
 #include <wctype.h>
 
 /**
diff --git a/src/eval.c b/src/eval.c
index 55b14f0..a990fd4 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1154,7 +1154,7 @@ static void eval_status(struct bfs_eval *state, struct bfs_bar *bar, struct time
 			// Invalid byte sequence, assume a single-width '?'
 			cwidth = 1;
 		} else {
-			cwidth = wcwidth(wc);
+			cwidth = xwcwidth(wc);
 			if (cwidth < 0) {
 				cwidth = 0;
 			}
-- 
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