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Diffstat (limited to 'REORG.TODO/string/stpncpy.c')
-rw-r--r-- | REORG.TODO/string/stpncpy.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/REORG.TODO/string/stpncpy.c b/REORG.TODO/string/stpncpy.c new file mode 100644 index 0000000000..9b8ef348e5 --- /dev/null +++ b/REORG.TODO/string/stpncpy.c @@ -0,0 +1,51 @@ +/* Copyright (C) 1993-2017 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + 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/>. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#ifdef _LIBC +# include <string.h> +#else +# include <sys/types.h> +#endif + +#ifndef STPNCPY +# ifdef weak_alias +# define STPNCPY __stpncpy +weak_alias (__stpncpy, stpncpy) +# else +# define STPNCPY stpncpy +# endif +#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. */ +char * +STPNCPY (char *dest, const char *src, size_t n) +{ + size_t size = __strnlen (src, n); + memcpy (dest, src, size); + dest += size; + if (size == n) + return dest; + return memset (dest, '\0', n - size); +} +#ifdef weak_alias +libc_hidden_def (__stpncpy) +#endif |