/* Test and measure stpncpy functions. Copyright (C) 1999-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Jakub Jelinek <jakub@redhat.com>, 1999. 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/>. */ #define STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len))) #define TEST_MAIN #ifndef WIDE # define TEST_NAME "stpncpy" #else # define TEST_NAME "wcpncpy" #endif /* WIDE */ #include "test-string.h" #ifndef WIDE # define CHAR char # define SIMPLE_STPNCPY simple_stpncpy # define STUPID_STPNCPY stupid_stpncpy # define STPNCPY stpncpy # define STRNLEN strnlen #else # include <wchar.h> # define CHAR wchar_t # define SIMPLE_STPNCPY simple_wcpncpy # define STUPID_STPNCPY stupid_wcpncpy # define STPNCPY wcpncpy # define STRNLEN wcsnlen #endif /* WIDE */ CHAR *SIMPLE_STPNCPY (CHAR *, const CHAR *, size_t); CHAR *STUPID_STPNCPY (CHAR *, const CHAR *, size_t); IMPL (STUPID_STPNCPY, 0) IMPL (SIMPLE_STPNCPY, 0) IMPL (STPNCPY, 1) CHAR * SIMPLE_STPNCPY (CHAR *dst, const CHAR *src, size_t n) { while (n--) if ((*dst++ = *src++) == '\0') { size_t i; for (i = 0; i < n; ++i) dst[i] = '\0'; return dst - 1; } return dst; } CHAR * STUPID_STPNCPY (CHAR *dst, const CHAR *src, size_t n) { size_t nc = STRNLEN (src, n); size_t i; for (i = 0; i < nc; ++i) dst[i] = src[i]; for (; i < n; ++i) dst[i] = '\0'; return dst + nc; } #undef CHAR #include "test-strncpy.c"