diff options
Diffstat (limited to 'string')
| -rw-r--r-- | string/stratcliff.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/string/stratcliff.c b/string/stratcliff.c index 77fe2bcca9..f90616c260 100644 --- a/string/stratcliff.c +++ b/string/stratcliff.c @@ -1,5 +1,5 @@ /* Test for string function add boundaries of usable memory. - Copyright (C) 1996,1997,1999-2002,2003,2007 Free Software Foundation, Inc. + Copyright (C) 1996,1997,1999-2003,2007, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -46,6 +46,7 @@ # define STPNCPY stpncpy # define MEMCPY memcpy # define MEMPCPY mempcpy +# define MEMCHR memchr #endif @@ -205,6 +206,37 @@ do_test (void) } } + /* memchr test */ + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) + { + for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle) + { + adr[middle] = L('V'); + + CHAR *cp = MEMCHR (&adr[outer], L('V'), 3 * size); + + if (cp - &adr[outer] != middle - outer) + { + printf ("%s flunked for outer = %d, middle = %d\n", + STRINGIFY (MEMCHR), outer, middle); + result = 1; + } + + adr[middle] = L('T'); + } + } + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) + { + CHAR *cp = MEMCHR (&adr[outer], L('V'), nchars - outer); + + if (cp != NULL) + { + printf ("%s flunked for outer = %d\n", + STRINGIFY (MEMCHR), outer); + result = 1; + } + } + /* This function only exists for single-byte characters. */ #ifndef WCSTEST /* rawmemchr test */ |