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-rw-r--r--libgcompat/wchar.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/libgcompat/wchar.c b/libgcompat/wchar.c
index c60963e..1a5a23c 100644
--- a/libgcompat/wchar.c
+++ b/libgcompat/wchar.c
@@ -40,6 +40,27 @@ int __vswprintf_chk(wchar_t *s, size_t n, int flag, size_t slen,
}
/**
+ * Copy a wide-character string, with buffer overflow checking
+ *
+ * LSB 5.0: LSB-Core-generic/baselib---wcscpy-chk-1.html
+ */
+wchar_t *__wcscpy_chk(wchar_t *dest, const wchar_t *src, size_t n)
+{
+ size_t srclen = wcslen(src) + 1;
+
+ assert(dest != NULL);
+ assert(src != NULL);
+ assert(n >= srclen);
+ if (dest < src) {
+ assert(dest + n <= src);
+ } else {
+ assert(src + n <= dest);
+ }
+
+ return wcscpy(dest, src);
+}
+
+/**
* Representation of the glibc internals of wcstol(3).
*
* LSB 5.0: LSB-Core-generic/baselib---wcstol-internal-1.html