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Diffstat (limited to 'debug/test-stpcpy_chk.c')
-rw-r--r-- | debug/test-stpcpy_chk.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/debug/test-stpcpy_chk.c b/debug/test-stpcpy_chk.c new file mode 100644 index 0000000..d717ca7 --- /dev/null +++ b/debug/test-stpcpy_chk.c @@ -0,0 +1,46 @@ +/* Test and measure stpcpy checking functions. + Copyright (C) 1999, 2002, 2004 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define STRCPY_RESULT(dst, len) ((dst) + (len)) +#define TEST_MAIN +#include "../string/test-string.h" + +extern void __attribute__ ((noreturn)) __chk_fail (void); +char *simple_stpcpy_chk (char *, const char *, size_t); +extern char *normal_stpcpy (char *, const char *, size_t) + __asm ("stpcpy"); +extern char *__stpcpy_chk (char *, const char *, size_t); + +IMPL (simple_stpcpy_chk, 0) +IMPL (normal_stpcpy, 1) +IMPL (__stpcpy_chk, 2) + +char * +simple_stpcpy_chk (char *dst, const char *src, size_t len) +{ + if (! len) + __chk_fail (); + while ((*dst++ = *src++) != '\0') + if (--len == 0) + __chk_fail (); + return dst - 1; +} + +#include "test-strcpy_chk.c" |