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-rw-r--r--src/string/strxfrm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/string/strxfrm.c b/src/string/strxfrm.c
index 696027ce..f15c1e18 100644
--- a/src/string/strxfrm.c
+++ b/src/string/strxfrm.c
@@ -10,11 +10,15 @@ size_t strxfrm(char * restrict s1, const char * restrict s2, size_t n)
SIGNAL_SAFE(0);
ASSERT_NONNULL(s2);
ASSERT_NOOVERLAP(s1, n, s2, n);
+ DANGEROUS_READ(s2, -1);
+ DANGEROUS_WRITE(s1, -1);
if (n != 0) {
ASSERT_NONNULL(s1);
ASSERT_NOOVERLAP(s1, n, s2, n);
}
+
+ DANGER_OVER();
return strlen(s2);
}