From 400925d81cc92de52efe6cad6dcc33794262119c Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 14 Feb 2006 02:48:22 +0000 Subject: grab a bunch of tests from glibc --- test/string/stratcliff.c | 349 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 349 insertions(+) create mode 100644 test/string/stratcliff.c (limited to 'test/string/stratcliff.c') diff --git a/test/string/stratcliff.c b/test/string/stratcliff.c new file mode 100644 index 000000000..6377c6ed7 --- /dev/null +++ b/test/string/stratcliff.c @@ -0,0 +1,349 @@ +/* Test for string function add boundaries of usable memory. + Copyright (C) 1996,1997,1999-2002,2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 1996. + + 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 _GNU_SOURCE 1 + +/* Make sure we don't test the optimized inline functions if we want to + test the real implementation. */ +#undef __USE_STRING_INLINES + +#include +#include +#include +#include +#include +#include + +#ifndef MAX +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#endif + +int +main (int argc, char *argv[]) +{ + int size = sysconf (_SC_PAGESIZE); + char *adr, *dest; + int result = 0; + + adr = (char *) mmap (NULL, 3 * size, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANON, -1, 0); + dest = (char *) mmap (NULL, 3 * size, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANON, -1, 0); + if (adr == MAP_FAILED || dest == MAP_FAILED) + { + if (errno == ENOSYS) + puts ("No test, mmap not available."); + else + { + printf ("mmap failed: %m"); + result = 1; + } + } + else + { + int inner, middle, outer; + + mprotect(adr, size, PROT_NONE); + mprotect(adr + 2 * size, size, PROT_NONE); + adr += size; + + mprotect(dest, size, PROT_NONE); + mprotect(dest + 2 * size, size, PROT_NONE); + dest += size; + + memset (adr, 'T', size); + + /* strlen test */ + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + { + for (inner = MAX (outer, size - 64); inner < size; ++inner) + { + adr[inner] = '\0'; + + if (strlen (&adr[outer]) != (size_t) (inner - outer)) + { + printf ("strlen flunked for outer = %d, inner = %d\n", + outer, inner); + result = 1; + } + + adr[inner] = 'T'; + } + } + + /* strchr test */ + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + { + for (middle = MAX (outer, size - 64); middle < size; ++middle) + { + for (inner = middle; inner < size; ++inner) + { + char *cp; + adr[middle] = 'V'; + adr[inner] = '\0'; + + cp = strchr (&adr[outer], 'V'); + + if ((inner == middle && cp != NULL) + || (inner != middle + && (cp - &adr[outer]) != middle - outer)) + { + printf ("strchr flunked for outer = %d, middle = %d, " + "inner = %d\n", outer, middle, inner); + result = 1; + } + + adr[inner] = 'T'; + adr[middle] = 'T'; + } + } + } + + /* Special test. */ + adr[size - 1] = '\0'; + if (strchr (&adr[size - 1], '\n') != NULL) + { + puts ("strchr flunked for test of empty string at end of page"); + result = 1; + } + + /* strrchr test */ + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + { + for (middle = MAX (outer, size - 64); middle < size; ++middle) + { + for (inner = middle; inner < size; ++inner) + { + char *cp; + adr[middle] = 'V'; + adr[inner] = '\0'; + + cp = strrchr (&adr[outer], 'V'); + + if ((inner == middle && cp != NULL) + || (inner != middle + && (cp - &adr[outer]) != middle - outer)) + { + printf ("strrchr flunked for outer = %d, middle = %d, " + "inner = %d\n", outer, middle, inner); + result = 1; + } + + adr[inner] = 'T'; + adr[middle] = 'T'; + } + } + } + + /* rawmemchr test */ + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + { + for (middle = MAX (outer, size - 64); middle < size; ++middle) + { + char *cp; + adr[middle] = 'V'; + + cp = rawmemchr (&adr[outer], 'V'); + + if (cp - &adr[outer] != middle - outer) + { + printf ("rawmemchr flunked for outer = %d, middle = %d\n", + outer, middle); + result = 1; + } + + adr[middle] = 'T'; + } + } + + /* strcpy test */ + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + { + for (inner = MAX (outer, size - 64); inner < size; ++inner) + { + adr[inner] = '\0'; + + if (strcpy (dest, &adr[outer]) != dest + || strlen (dest) != (size_t) (inner - outer)) + { + printf ("strcpy flunked for outer = %d, inner = %d\n", + outer, inner); + result = 1; + } + + adr[inner] = 'T'; + } + } + + /* strncpy tests */ + adr[size-1] = 'T'; + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + { + size_t len; + + for (len = 0; len < size - outer; ++len) + { + if (strncpy (dest, &adr[outer], len) != dest + || memcmp (dest, &adr[outer], len) != 0) + { + printf ("outer strncpy flunked for outer = %d, len = %Zd\n", + outer, len); + result = 1; + } + } + } + adr[size-1] = '\0'; + + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + { + for (inner = MAX (outer, size - 64); inner < size; ++inner) + { + size_t len; + + adr[inner] = '\0'; + + for (len = 0; len < size - outer + 64; ++len) + { + if (strncpy (dest, &adr[outer], len) != dest + || memcmp (dest, &adr[outer], + MIN (inner - outer, len)) != 0 + || (inner - outer < len + && strlen (dest) != (inner - outer))) + { + printf ("strncpy flunked for outer = %d, inner = %d, len = %Zd\n", + outer, inner, len); + result = 1; + } + if (strncpy (dest + 1, &adr[outer], len) != dest + 1 + || memcmp (dest + 1, &adr[outer], + MIN (inner - outer, len)) != 0 + || (inner - outer < len + && strlen (dest + 1) != (inner - outer))) + { + printf ("strncpy+1 flunked for outer = %d, inner = %d, len = %Zd\n", + outer, inner, len); + result = 1; + } + } + + adr[inner] = 'T'; + } + } + + /* stpcpy test */ + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + { + for (inner = MAX (outer, size - 64); inner < size; ++inner) + { + adr[inner] = '\0'; + + if ((stpcpy (dest, &adr[outer]) - dest) != inner - outer) + { + printf ("stpcpy flunked for outer = %d, inner = %d\n", + outer, inner); + result = 1; + } + + adr[inner] = 'T'; + } + } + + /* stpncpy test */ + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + { + for (middle = MAX (outer, size - 64); middle < size; ++middle) + { + adr[middle] = '\0'; + + for (inner = 0; inner < size - outer; ++ inner) + { + if ((stpncpy (dest, &adr[outer], inner) - dest) + != MIN (inner, middle - outer)) + { + printf ("stpncpy flunked for outer = %d, middle = %d, " + "inner = %d\n", outer, middle, inner); + result = 1; + } + } + + adr[middle] = 'T'; + } + } + + /* memcpy test */ + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + for (inner = 0; inner < size - outer; ++inner) + if (memcpy (dest, &adr[outer], inner) != dest) + { + printf ("memcpy flunked for outer = %d, inner = %d\n", + outer, inner); + result = 1; + } + + /* mempcpy test */ + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + for (inner = 0; inner < size - outer; ++inner) + if (mempcpy (dest, &adr[outer], inner) != dest + inner) + { + printf ("mempcpy flunked for outer = %d, inner = %d\n", + outer, inner); + result = 1; + } + + /* memccpy test */ + memset (adr, '\0', size); + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + for (inner = 0; inner < size - outer; ++inner) + if (memccpy (dest, &adr[outer], '\1', inner) != NULL) + { + printf ("memccpy flunked full copy for outer = %d, inner = %d\n", + outer, inner); + result = 1; + } + for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + for (middle = 0; middle < size - outer; ++middle) + { + memset (dest, '\2', middle + 1); + for (inner = 0; inner < middle; ++inner) + { + adr[outer + inner] = '\1'; + + if (memccpy (dest, &adr[outer], '\1', middle + 128) + != dest + inner + 1) + { + printf ("\ +memccpy flunked partial copy for outer = %d, middle = %d, inner = %d\n", + outer, middle, inner); + result = 1; + } + else if (dest[inner + 1] != '\2') + { + printf ("\ +memccpy copied too much for outer = %d, middle = %d, inner = %d\n", + outer, middle, inner); + result = 1; + } + adr[outer + inner] = '\0'; + } + } + } + + return result; +} -- cgit v1.2.3