diff options
Diffstat (limited to 'string/stratcliff.c')
-rw-r--r-- | string/stratcliff.c | 144 |
1 files changed, 107 insertions, 37 deletions
diff --git a/string/stratcliff.c b/string/stratcliff.c index 2bb59820f9..5165be2d13 100644 --- a/string/stratcliff.c +++ b/string/stratcliff.c @@ -1,5 +1,6 @@ /* Test for string function add boundaries of usable memory. - Copyright (C) 1996,1997,1999-2003,2007, 2009 Free Software Foundation, Inc. + Copyright (C) 1996,1997,1999-2003,2007,2009,2010 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -47,6 +48,8 @@ # define MEMCPY memcpy # define MEMPCPY mempcpy # define MEMCHR memchr +# define STRCMP strcmp +# define STRNCMP strncmp #endif @@ -70,12 +73,12 @@ do_test (void) if (adr == MAP_FAILED || dest == MAP_FAILED) { if (errno == ENOSYS) - puts ("No test, mmap not available."); + puts ("No test, mmap not available."); else - { - printf ("mmap failed: %m"); - result = 1; - } + { + printf ("mmap failed: %m"); + result = 1; + } } else { @@ -93,8 +96,8 @@ do_test (void) /* strlen/wcslen test */ for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) - { - for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) + { + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { adr[inner] = L('\0'); @@ -107,12 +110,12 @@ do_test (void) adr[inner] = L('T'); } - } + } /* strnlen/wcsnlen test */ for (outer = nchars; outer >= MAX (0, nchars - 128); --outer) - { - for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) + { + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { adr[inner] = L('\0'); @@ -126,9 +129,9 @@ do_test (void) 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) @@ -139,11 +142,11 @@ do_test (void) 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) @@ -167,7 +170,7 @@ do_test (void) adr[middle] = L('T'); } } - } + } /* Special test. */ adr[nchars - 1] = L('\0'); @@ -180,7 +183,7 @@ do_test (void) /* strrchr/wcsrchr 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) @@ -204,11 +207,11 @@ do_test (void) adr[middle] = L('T'); } } - } + } /* 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'); @@ -224,9 +227,9 @@ do_test (void) adr[middle] = L('T'); } - } + } for (outer = nchars; outer >= MAX (0, nchars - 128); --outer) - { + { CHAR *cp = MEMCHR (&adr[outer], L('V'), nchars - outer); if (cp != NULL) @@ -235,13 +238,13 @@ do_test (void) STRINGIFY (MEMCHR), outer); result = 1; } - } + } /* This function only exists for single-byte characters. */ #ifndef WCSTEST /* rawmemchr test */ for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) - { + { for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle) { adr[middle] = L('V'); @@ -257,13 +260,13 @@ do_test (void) adr[middle] = L('T'); } - } + } #endif /* strcpy/wcscpy test */ for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) - { - for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) + { + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { adr[inner] = L('\0'); @@ -277,7 +280,74 @@ do_test (void) adr[inner] = L('T'); } - } + } + + /* strcmp/wcscmp tests */ + for (outer = 1; outer < 32; ++outer) + for (middle = 0; middle < 16; ++middle) + { + MEMSET (adr + middle, L('T'), 256); + adr[256] = L('\0'); + MEMSET (dest + nchars - outer, L('T'), outer - 1); + dest[nchars - 1] = L('\0'); + + if (STRCMP (adr + middle, dest + nchars - outer) <= 0) + { + printf ("%s 1 flunked for outer = %d, middle = %d\n", + STRINGIFY (STRCMP), outer, middle); + result = 1; + } + + if (STRCMP (dest + nchars - outer, adr + middle) >= 0) + { + printf ("%s 2 flunked for outer = %d, middle = %d\n", + STRINGIFY (STRCMP), outer, middle); + result = 1; + } + } + + /* strncmp/wcsncmp tests */ + for (outer = 1; outer < 32; ++outer) + for (middle = 0; middle < 16; ++middle) + { + MEMSET (adr + middle, L('T'), 256); + adr[256] = L('\0'); + MEMSET (dest + nchars - outer, L('T'), outer - 1); + dest[nchars - 1] = L('U'); + + for (inner = 0; inner < outer; ++inner) + { + if (STRNCMP (adr + middle, dest + nchars - outer, inner) != 0) + { + printf ("%s 1 flunked for outer = %d, middle = %d, " + "inner = %d\n", + STRINGIFY (STRNCMP), outer, middle, inner); + result = 1; + } + + if (STRNCMP (dest + nchars - outer, adr + middle, inner) != 0) + { + printf ("%s 2 flunked for outer = %d, middle = %d, " + "inner = %d\n", + STRINGIFY (STRNCMP), outer, middle, inner); + result = 1; + } + } + + if (STRNCMP (adr + middle, dest + nchars - outer, outer) >= 0) + { + printf ("%s 1 flunked for outer = %d, middle = %d, full\n", + STRINGIFY (STRNCMP), outer, middle); + result = 1; + } + + if (STRNCMP (dest + nchars - outer, adr + middle, outer) <= 0) + { + printf ("%s 2 flunked for outer = %d, middle = %d, full\n", + STRINGIFY (STRNCMP), outer, middle); + result = 1; + } + } /* strncpy/wcsncpy tests */ adr[nchars - 1] = L('T'); @@ -295,12 +365,12 @@ do_test (void) result = 1; } } - } + } adr[nchars - 1] = L('\0'); for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) - { - for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) + { + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { size_t len; @@ -334,12 +404,12 @@ do_test (void) adr[inner] = L('T'); } - } + } /* stpcpy/wcpcpy test */ for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) - { - for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) + { + for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) { adr[inner] = L('\0'); @@ -352,7 +422,7 @@ do_test (void) adr[inner] = L('T'); } - } + } /* stpncpy/wcpncpy test */ adr[nchars - 1] = L('T'); @@ -374,8 +444,8 @@ do_test (void) adr[nchars - 1] = L('\0'); for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) - { - for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle) + { + for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle) { adr[middle] = L('\0'); @@ -393,7 +463,7 @@ do_test (void) adr[middle] = L('T'); } - } + } /* memcpy/wmemcpy test */ for (outer = nchars; outer >= MAX (0, nchars - 128); --outer) |