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firmware-utils: mkfwimage: fix memcpy and strncpy usage
[openwrt/staging/ynezz.git]
/
tools
/
firmware-utils
/
src
/
utils.h
diff --git a/tools/firmware-utils/src/utils.h
b/tools/firmware-utils/src/utils.h
new file mode 100644
(file)
index 0000000..
11ec740
--- /dev/null
+++ b/
tools/firmware-utils/src/utils.h
@@ -0,0
+1,11
@@
+#include <stdint.h>
+#include <string.h>
+
+#pragma once
+
+#define FW_MEMCPY_STR(dst, src) \
+ do { \
+ size_t slen = strlen(src); \
+ size_t dlen = sizeof(dst); \
+ memcpy(dst, src, slen > dlen ? dlen : slen); \
+ } while (0);