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-rw-r--r--string/test-strncpy.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/string/test-strncpy.c b/string/test-strncpy.c
index 5aa51692bb..11ff30eebf 100644
--- a/string/test-strncpy.c
+++ b/string/test-strncpy.c
@@ -24,7 +24,9 @@
 # include "test-string.h"
 
 char *simple_strncpy (char *, const char *, size_t);
+char *stupid_strncpy (char *, const char *, size_t);
 
+IMPL (stupid_strncpy, 0)
 IMPL (simple_strncpy, 0)
 IMPL (strncpy, 1)
 
@@ -41,6 +43,19 @@ simple_strncpy (char *dst, const char *src, size_t n)
       }
   return ret;
 }
+
+char *
+stupid_strncpy (char *dst, const char *src, size_t n)
+{
+  size_t ns = strlen (src);
+  size_t i, nc = n < ns ? n : ns;
+
+  for (i = 0; i < nc; ++i)
+    dst[i] = src[i];
+  for (; i < n; ++i)
+    dst[i] = '\0';
+  return dst;
+}
 #endif
 
 typedef char *(*proto_t) (char *, const char *, size_t);