diff options
Diffstat (limited to 'string/stratcliff.c')
| -rw-r--r-- | string/stratcliff.c | 322 |
1 files changed, 193 insertions, 129 deletions
diff --git a/string/stratcliff.c b/string/stratcliff.c index 6377c6ed76..77fe2bcca9 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 Free Software Foundation, Inc. + Copyright (C) 1996,1997,1999-2002,2003,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -31,20 +31,40 @@ #include <sys/mman.h> #include <sys/param.h> -#ifndef MAX -#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#ifndef CHAR +# define L(c) c +# define CHAR char +# define MEMSET memset +# define STRLEN strlen +# define STRNLEN strnlen +# define STRCHR strchr +# define STRRCHR strrchr +# define STRCPY strcpy +# define STRNCPY strncpy +# define MEMCMP memcmp +# define STPCPY stpcpy +# define STPNCPY stpncpy +# define MEMCPY memcpy +# define MEMPCPY mempcpy #endif -int -main (int argc, char *argv[]) + +#define STRINGIFY(s) STRINGIFY2 (s) +#define STRINGIFY2(s) #s + + +static int +do_test (void) { int size = sysconf (_SC_PAGESIZE); - char *adr, *dest; + int nchars = size / sizeof (CHAR); + CHAR *adr; + CHAR *dest; int result = 0; - adr = (char *) mmap (NULL, 3 * size, PROT_READ | PROT_WRITE, + 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, + dest = (CHAR *) mmap (NULL, 3 * size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); if (adr == MAP_FAILED || dest == MAP_FAILED) { @@ -60,270 +80,310 @@ main (int argc, char *argv[]) { int inner, middle, outer; - mprotect(adr, size, PROT_NONE); - mprotect(adr + 2 * size, size, PROT_NONE); - adr += size; + mprotect (adr, size, PROT_NONE); + mprotect (adr + 2 * nchars, size, PROT_NONE); + adr += nchars; - mprotect(dest, size, PROT_NONE); - mprotect(dest + 2 * size, size, PROT_NONE); - dest += size; + mprotect (dest, size, PROT_NONE); + mprotect (dest + 2 * nchars, size, PROT_NONE); + dest += nchars; - memset (adr, 'T', size); + MEMSET (adr, L('T'), nchars); - /* strlen test */ - for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + /* strlen/wcslen test */ + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) { - for (inner = MAX (outer, size - 64); inner < size; ++inner) + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { - adr[inner] = '\0'; + adr[inner] = L('\0'); - if (strlen (&adr[outer]) != (size_t) (inner - outer)) + if (STRLEN (&adr[outer]) != (size_t) (inner - outer)) { - printf ("strlen flunked for outer = %d, inner = %d\n", - outer, inner); + printf ("%s flunked for outer = %d, inner = %d\n", + STRINGIFY (STRLEN), outer, inner); result = 1; } - adr[inner] = 'T'; + adr[inner] = L('T'); } } - /* strchr test */ - for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + /* strnlen/wcsnlen test */ + for (outer = nchars; outer >= MAX (0, nchars - 128); --outer) { - for (middle = MAX (outer, size - 64); middle < size; ++middle) + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { - for (inner = middle; inner < size; ++inner) + adr[inner] = L('\0'); + + if (STRNLEN (&adr[outer], inner - outer + 1) + != (size_t) (inner - outer)) { - char *cp; - adr[middle] = 'V'; - adr[inner] = '\0'; + printf ("%s flunked for outer = %d, inner = %d\n", + STRINGIFY (STRNLEN), outer, inner); + result = 1; + } - cp = strchr (&adr[outer], 'V'); + adr[inner] = L('T'); + } + } + for (outer = nchars; outer >= MAX (0, nchars - 128); --outer) + { + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) + { + if (STRNLEN (&adr[outer], inner - outer + 1) + != (size_t) (inner - outer + 1)) + { + printf ("%s flunked bounded for outer = %d, inner = %d\n", + STRINGIFY (STRNLEN), outer, inner); + result = 1; + } + } + } + + /* strchr/wcschr test */ + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) + { + for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle) + { + for (inner = middle; inner < nchars; ++inner) + { + adr[middle] = L('V'); + adr[inner] = L('\0'); + + CHAR *cp = STRCHR (&adr[outer], L('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); + printf ("%s flunked for outer = %d, middle = %d, " + "inner = %d\n", + STRINGIFY (STRCHR), outer, middle, inner); result = 1; } - adr[inner] = 'T'; - adr[middle] = 'T'; + adr[inner] = L('T'); + adr[middle] = L('T'); } } } /* Special test. */ - adr[size - 1] = '\0'; - if (strchr (&adr[size - 1], '\n') != NULL) + adr[nchars - 1] = L('\0'); + if (STRCHR (&adr[nchars - 1], L('\n')) != NULL) { - puts ("strchr flunked for test of empty string at end of page"); + printf ("%s flunked test of empty string at end of page\n", + STRINGIFY (STRCHR)); result = 1; } - /* strrchr test */ - for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + /* strrchr/wcsrchr test */ + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) { - for (middle = MAX (outer, size - 64); middle < size; ++middle) + for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle) { - for (inner = middle; inner < size; ++inner) + for (inner = middle; inner < nchars; ++inner) { - char *cp; - adr[middle] = 'V'; - adr[inner] = '\0'; + adr[middle] = L('V'); + adr[inner] = L('\0'); - cp = strrchr (&adr[outer], 'V'); + CHAR *cp = STRRCHR (&adr[outer], L('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); + printf ("%s flunked for outer = %d, middle = %d, " + "inner = %d\n", + STRINGIFY (STRRCHR), outer, middle, inner); result = 1; } - adr[inner] = 'T'; - adr[middle] = 'T'; + adr[inner] = L('T'); + adr[middle] = L('T'); } } } + /* This function only exists for single-byte characters. */ +#ifndef WCSTEST /* rawmemchr test */ - for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) { - for (middle = MAX (outer, size - 64); middle < size; ++middle) + for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle) { - char *cp; - adr[middle] = 'V'; + adr[middle] = L('V'); - cp = rawmemchr (&adr[outer], 'V'); + CHAR *cp = rawmemchr (&adr[outer], L('V')); if (cp - &adr[outer] != middle - outer) { - printf ("rawmemchr flunked for outer = %d, middle = %d\n", - outer, middle); + printf ("%s flunked for outer = %d, middle = %d\n", + STRINGIFY (rawmemchr), outer, middle); result = 1; } - adr[middle] = 'T'; + adr[middle] = L('T'); } } +#endif - /* strcpy test */ - for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + /* strcpy/wcscpy test */ + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) { - for (inner = MAX (outer, size - 64); inner < size; ++inner) + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { - adr[inner] = '\0'; + adr[inner] = L('\0'); - if (strcpy (dest, &adr[outer]) != dest - || strlen (dest) != (size_t) (inner - outer)) + if (STRCPY (dest, &adr[outer]) != dest + || STRLEN (dest) != (size_t) (inner - outer)) { - printf ("strcpy flunked for outer = %d, inner = %d\n", - outer, inner); + printf ("%s flunked for outer = %d, inner = %d\n", + STRINGIFY (STRCPY), outer, inner); result = 1; } - adr[inner] = 'T'; + adr[inner] = L('T'); } } /* strncpy tests */ - adr[size-1] = 'T'; - for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + adr[nchars - 1] = L('T'); + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) { size_t len; - for (len = 0; len < size - outer; ++len) + for (len = 0; len < nchars - outer; ++len) { - if (strncpy (dest, &adr[outer], len) != dest - || memcmp (dest, &adr[outer], len) != 0) + 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); + printf ("outer %s flunked for outer = %d, len = %Zd\n", + STRINGIFY (STRNCPY), outer, len); result = 1; } } } - adr[size-1] = '\0'; + adr[nchars - 1] = L('\0'); - for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) { - for (inner = MAX (outer, size - 64); inner < size; ++inner) + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { size_t len; - adr[inner] = '\0'; + adr[inner] = L('\0'); - for (len = 0; len < size - outer + 64; ++len) + for (len = 0; len < nchars - outer + 64; ++len) { - if (strncpy (dest, &adr[outer], len) != dest - || memcmp (dest, &adr[outer], + if (STRNCPY (dest, &adr[outer], len) != dest + || MEMCMP (dest, &adr[outer], MIN (inner - outer, len)) != 0 || (inner - outer < len - && strlen (dest) != (inner - outer))) + && STRLEN (dest) != (inner - outer))) { - printf ("strncpy flunked for outer = %d, inner = %d, len = %Zd\n", - outer, inner, len); + printf ("%s flunked for outer = %d, inner = %d, " + "len = %Zd\n", + STRINGIFY (STRNCPY), outer, inner, len); result = 1; } - if (strncpy (dest + 1, &adr[outer], len) != dest + 1 - || memcmp (dest + 1, &adr[outer], + 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))) + && STRLEN (dest + 1) != (inner - outer))) { - printf ("strncpy+1 flunked for outer = %d, inner = %d, len = %Zd\n", - outer, inner, len); + printf ("%s+1 flunked for outer = %d, inner = %d, " + "len = %Zd\n", + STRINGIFY (STRNCPY), outer, inner, len); result = 1; } } - adr[inner] = 'T'; + adr[inner] = L('T'); } } - /* stpcpy test */ - for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + /* stpcpy/wcpcpy test */ + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) { - for (inner = MAX (outer, size - 64); inner < size; ++inner) + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { - adr[inner] = '\0'; + adr[inner] = L('\0'); - if ((stpcpy (dest, &adr[outer]) - dest) != inner - outer) + if ((STPCPY (dest, &adr[outer]) - dest) != inner - outer) { - printf ("stpcpy flunked for outer = %d, inner = %d\n", - outer, inner); + printf ("%s flunked for outer = %d, inner = %d\n", + STRINGIFY (STPCPY), outer, inner); result = 1; } - adr[inner] = 'T'; + adr[inner] = L('T'); } } - /* stpncpy test */ - for (outer = size - 1; outer >= MAX (0, size - 128); --outer) + /* stpncpy/wcpncpy test */ + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) { - for (middle = MAX (outer, size - 64); middle < size; ++middle) + for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle) { - adr[middle] = '\0'; + adr[middle] = L('\0'); - for (inner = 0; inner < size - outer; ++ inner) + for (inner = 0; inner < nchars - outer; ++ inner) { - if ((stpncpy (dest, &adr[outer], inner) - dest) + 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); + printf ("%s flunked for outer = %d, middle = %d, " + "inner = %d\n", + STRINGIFY (STPNCPY), outer, middle, inner); result = 1; } } - adr[middle] = 'T'; + adr[middle] = L('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) + /* memcpy/wmemcpy test */ + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) + for (inner = 0; inner < nchars - outer; ++inner) + if (MEMCPY (dest, &adr[outer], inner) != dest) { - printf ("memcpy flunked for outer = %d, inner = %d\n", - outer, inner); + printf ("%s flunked for outer = %d, inner = %d\n", + STRINGIFY (MEMCPY), 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) + /* mempcpy/wmempcpy test */ + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) + for (inner = 0; inner < nchars - outer; ++inner) + if (MEMPCPY (dest, &adr[outer], inner) != dest + inner) { - printf ("mempcpy flunked for outer = %d, inner = %d\n", - outer, inner); + printf ("%s flunked for outer = %d, inner = %d\n", + STRINGIFY (MEMPCPY), outer, inner); result = 1; } + /* This function only exists for single-byte characters. */ +#ifndef WCSTEST /* 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) + memset (adr, '\0', nchars); + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) + for (inner = 0; inner < nchars - outer; ++inner) + if (memccpy (dest, &adr[outer], L('\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) + for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) + for (middle = 0; middle < nchars - outer; ++middle) { - memset (dest, '\2', middle + 1); + memset (dest, L('\2'), middle + 1); for (inner = 0; inner < middle; ++inner) { - adr[outer + inner] = '\1'; + adr[outer + inner] = L('\1'); if (memccpy (dest, &adr[outer], '\1', middle + 128) != dest + inner + 1) @@ -333,17 +393,21 @@ memccpy flunked partial copy for outer = %d, middle = %d, inner = %d\n", outer, middle, inner); result = 1; } - else if (dest[inner + 1] != '\2') + else if (dest[inner + 1] != L('\2')) { printf ("\ memccpy copied too much for outer = %d, middle = %d, inner = %d\n", outer, middle, inner); result = 1; } - adr[outer + inner] = '\0'; + adr[outer + inner] = L('\0'); } } +#endif } return result; } + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |