X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstpncpy.c;h=37018e8bf7cd4ad02e34b8f1ac5240aa34496e9c;hb=1276a2c5f24c0c932426aca9c899fa524d2443f2;hp=243cbc7bb669076d82db9bde60ee7dcdd48453b4;hpb=1080617a7d04cdf1a1d3b1e390859af371d485d7;p=gnulib.git
diff --git a/lib/stpncpy.c b/lib/stpncpy.c
index 243cbc7bb..37018e8bf 100644
--- a/lib/stpncpy.c
+++ b/lib/stpncpy.c
@@ -1,11 +1,12 @@
-/* Copyright (C) 1993, 1995-1997, 2002-2003 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1995-1997, 2002-2003, 2005-2007, 2009-2014 Free Software
+ * Foundation, Inc.
NOTE: The canonical source of this file is maintained with the GNU C Library.
Bugs can be reported to bug-glibc@gnu.org.
- This program is free software; you can redistribute it and/or modify it
+ This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any
+ Free Software Foundation; either version 3 of the License, or any
later version.
This program is distributed in the hope that it will be useful,
@@ -14,33 +15,23 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- USA. */
+ along with this program. If not, see . */
/* This is almost copied from strncpy.c, written by Torbjorn Granlund. */
-#ifdef HAVE_CONFIG_H
-# include
-#endif
+#include
/* Specification. */
-#include "stpncpy.h"
-
-#ifdef _LIBC
-# include
-#else
-# include
-#endif
+#include
#ifndef weak_alias
# define __stpncpy stpncpy
#endif
-/* Copy no more than N characters of SRC to DEST, returning the address of
- the terminating '\0' in DEST, if any, or else DEST + N. */
+/* Copy no more than N bytes of SRC to DST, returning a pointer past the
+ last non-NUL byte written into DST. */
char *
-__stpncpy (char *dest, const char *src, size_t n)
+(__stpncpy) (char *dest, const char *src, size_t n)
{
char c;
char *s = dest;
@@ -50,26 +41,26 @@ __stpncpy (char *dest, const char *src, size_t n)
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;
- }
+ {
+ 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;
}
@@ -85,9 +76,9 @@ __stpncpy (char *dest, const char *src, size_t n)
--n;
*dest++ = c;
if (c == '\0')
- break;
+ break;
if (n == 0)
- return dest;
+ return dest;
}
zero_fill: