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Diffstat (limited to 'app/lzo/tests/align.c')
| -rw-r--r-- | app/lzo/tests/align.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/app/lzo/tests/align.c b/app/lzo/tests/align.c deleted file mode 100644 index a4c5f7db..00000000 --- a/app/lzo/tests/align.c +++ /dev/null @@ -1,196 +0,0 @@ -/* align.c -- test alignment (important for 16-bit systems) - - This file is part of the LZO real-time data compression library. - - Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer - All Rights Reserved. - - The LZO library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - - The LZO 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the LZO library; see the file COPYING. - If not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - - Markus F.X.J. Oberhumer - <markus@oberhumer.com> - http://www.oberhumer.com/opensource/lzo/ - */ - - -#if 0 -#include "src/lzo_conf.h" -#include "src/lzo_ptr.h" -#endif -#include "lzo/lzoconf.h" - -/* utility layer */ -#define WANT_LZO_MALLOC 1 -#include "examples/portab.h" - - -static int opt_verbose = 0; - - -/************************************************************************* -// -**************************************************************************/ - -static unsigned long align_test(lzo_bytep block, lzo_uint len, lzo_uint step) -{ - lzo_bytep b1 = block; - lzo_bytep b2 = block; - lzo_bytep k1 = NULL; - lzo_bytep k2 = NULL; - lzo_bytep k; - lzo_bytep x; - lzo_uint offset = 0; - unsigned long i = 0; - - assert(step > 0); - assert(step <= 65536L); - assert((step & (step - 1)) == 0); - - for (offset = step; offset < len; offset += step) - { - k1 = LZO_PTR_ALIGN_UP(b1+1,step); - k2 = b2 + offset; - if (k1 != k2) - { - printf("error 1: i %lu step %ld offset %ld: " - "%p (%ld) %p (%ld)\n", - i, (long) step, (long) offset, - k1, (long) (k1 - block), - k2, (long) (k2 - block)); - return 0; - } - if (k1 - step != b1) - { - printf("error 2: i %lu step %ld offset %ld: " - "%p (%ld) %p (%ld)\n", - i, (long) step, (long) offset, - b1, (long) (b1 - block), - k1, (long) (k1 - block)); - return 0; - } - - assert(k1 > b1); - assert(k2 > b2); - assert((lzo_uint)(k2 - b2) == offset); - assert(k1 - offset == b2); -#if defined(PTR_ALIGNED_4) - if (step == 4) - { - assert(PTR_ALIGNED_4(k1)); - assert(PTR_ALIGNED_4(k2)); - assert(PTR_ALIGNED2_4(k1,k2)); - } -#endif -#if defined(PTR_ALIGNED_8) - if (step == 8) - { - assert(PTR_ALIGNED_8(k1)); - assert(PTR_ALIGNED_8(k2)); - assert(PTR_ALIGNED2_8(k1,k2)); - } -#endif -#if defined(PTR_LINEAR) - assert((PTR_LINEAR(k1) & (step-1)) == 0); - assert((PTR_LINEAR(k2) & (step-1)) == 0); -#endif - - for (k = b1 + 1; k <= k1; k++) - { - x = LZO_PTR_ALIGN_UP(k,step); - if (x != k1) - { - printf("error 3: base: %p %p %p i %lu step %ld offset %ld: " - "%p (%ld) %p (%ld) %p (%ld)\n", - block, b1, b2, - i, (long) step, (long) offset, - k1, (long) (k1 - block), - k, (long) (k - block), - x, (long) (x - block)); - return 0; - } - } - - b1 = k1; - i++; - } - - return i; -} - - -/************************************************************************* -// -**************************************************************************/ - -#define BLOCK_LEN (128*1024ul) - -int main(int argc, char *argv[]) -{ - lzo_bytep buf; - lzo_uint step; - - if (argc >= 2 && strcmp(argv[1],"-v") == 0) - opt_verbose = 1; - - if (lzo_init() != LZO_E_OK) - { - printf("lzo_init() failed !!!\n"); - return 3; - } - buf = (lzo_bytep) lzo_malloc(2*BLOCK_LEN + 256); - if (buf == NULL) - { - printf("out of memory\n"); - return 2; - } - -#if defined(lzo_uintptr_t) - printf("Align init: %p ( 0x%lx )\n", buf, (unsigned long) (lzo_uintptr_t) buf); -#elif defined(__LZO_MMODEL_HUGE) - printf("Align init: %p ( 0x%lx )\n", buf, (unsigned long) buf); -#else - printf("Align init: %p ( 0x%lx )\n", buf, (unsigned long) (size_t) buf); -#endif - - for (step = 1; step <= 65536L; step *= 2) - { - lzo_bytep block = buf; - unsigned long n; - unsigned gap; - - gap = __lzo_align_gap(block,step); - block = LZO_PTR_ALIGN_UP(block,step); - if (opt_verbose >= 1) - printf("STEP %5lu: GAP: %5lu %p %p %5lu\n", - (unsigned long) step, (unsigned long) gap, buf, block, - (unsigned long) (block - buf)); - n = align_test(block,BLOCK_LEN,step); - if (n == 0) - return 1; - if ((n + 1) * step != BLOCK_LEN) - { - printf("error 4: %ld %lu\n", (long)step, n); - return 1; - } - } - - lzo_free(buf); - printf("Alignment test passed.\n"); - return 0; -} - - -/* vim:set ts=4 sw=4 et: */ |