Update copyright dates with scripts/update-copyrights

[thirdparty/glibc.git] / debug / stpncpy_chk.c

diff --git a/debug/stpncpy_chk.c b/debug/stpncpy_chk.c
index 35a2c23508339c3281a0c9c6ed4d6cf659a09010..91c7def264d00259cd08683d080ee0170c94c59a 100644 (file)
--- a/debug/stpncpy_chk.c
+++ b/debug/stpncpy_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993-2013 Free Software Foundation, Inc.
+/* Copyright (C) 1993-2024 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This is almost copied from strncpy.c, written by Torbjorn Granlund.  */
 
@@ -25,60 +25,8 @@
 char *
 __stpncpy_chk (char *dest, const char *src, size_t n, size_t destlen)
 {
-  char c;
-  char *s = dest;
-
   if (__builtin_expect (destlen < n, 0))
     __chk_fail ();
 
-  if (n >= 4)
-    {
-      size_t n4 = n >> 2;
-
-      for (;;)
-       {
-         c = *src++;
-         *dest++ = c;
-         if (c == '\0')
-           break;
-         c = *src++;
-         *dest++ = c;
-         if (c == '\0')
-           break;
-         c = *src++;
-         *dest++ = c;
-         if (c == '\0')
-           break;
-         c = *src++;
-         *dest++ = c;
-         if (c == '\0')
-           break;
-         if (--n4 == 0)
-           goto last_chars;
-       }
-      n -= dest - s;
-      goto zero_fill;
-    }
-
- last_chars:
-  n &= 3;
-  if (n == 0)
-    return dest;
-
-  for (;;)
-    {
-      c = *src++;
-      --n;
-      *dest++ = c;
-      if (c == '\0')
-       break;
-      if (n == 0)
-       return dest;
-    }
-
- zero_fill:
-  while (n-- > 0)
-    dest[n] = '\0';
-
-  return dest - 1;
+  return __stpncpy (dest, src, n);
 }