From 7d93de8e6d778c0f5e5aa9401f1acd5f7f092800 Mon Sep 17 00:00:00 2001
From: ubq323 <ubq323@ubq323.website>
Date: Sat, 17 Aug 2024 19:14:24 +0100
Subject: add backslash escape sequences to string literals

---
 mem.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'mem.h')

diff --git a/mem.h b/mem.h
index 84fa4bb..87f817b 100644
--- a/mem.h
+++ b/mem.h
@@ -15,12 +15,12 @@ void *M(State *S, void *ptr, size_t old, size_t new);
 
 // needs len,cap,d fields
 #define ENSURE_CAP(S, darr, type, needed) \
-	if (darr.cap < needed) { \
+	do { if (darr.cap < needed) { \
 		size_t __newsz = next_pwrof2(needed); \
 	    if (__newsz < 8) __newsz = 8; \
 		darr.d = RENEW_ARR(S, darr.d, type, darr.cap, __newsz); \
 	    darr.cap = __newsz; \
-	}
+	} } while (0)
 
 size_t next_pwrof2(size_t x);
 
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