From 2b3a174068b33c4c947b2b2124b4c8486ad5b01a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Deuc=D0=B5?= <shurd@sasktel.net>
Date: Fri, 22 Mar 2024 14:47:49 -0400
Subject: [PATCH] static_assert() only available with C11 and higher.
---
src/xpdev/gen_defs.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/xpdev/gen_defs.h b/src/xpdev/gen_defs.h
index cb19438229..cdd8c06d90 100644
--- a/src/xpdev/gen_defs.h
+++ b/src/xpdev/gen_defs.h
@@ -432,7 +432,9 @@ typedef struct {
/* This is a bound-safe version of strcpy basically - only works with fixed-length arrays */
#ifdef _DEBUG
#define SAFECOPY(dst,src) do { \
+#if __STDC_VERSION__ >= 201112L
static_assert(sizeof(dst) != sizeof(void*), "SAFECOPY() on pointer-sized dst, use strlcpy"); \
+#endif
strlcpy(dst,src,sizeof(dst)); \
} while(0)
#else
@@ -442,7 +444,9 @@ typedef struct {
/* Extra-safe SAFECOPY doesn't pass NULL-pointer to strlcpy */
#ifdef _DEBUG
#define XSAFECOPY(dst,src) do { \
+#if __STDC_VERSION__ >= 201112L
static_assert(sizeof(dst) != sizeof(void*), "SAFECOPY() on pointer-sized dst, use strlcpy"); \
+#endif
strlcpy(dst,(src)==NULL?"(null)":(src),sizeof(dst)); \
} while(0)
#else
--
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