From 21e4f66a727bd83a324e4b5dd9e52d15b0919672 Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Thu, 9 Feb 2012 12:57:34 +0000 Subject: Add missing file from previous checkin --- newlib/testsuite/newlib.string/strcmp-1.c | 222 ++++++++++++++++++++++++++++++ 1 file changed, 222 insertions(+) create mode 100644 newlib/testsuite/newlib.string/strcmp-1.c (limited to 'newlib/testsuite') diff --git a/newlib/testsuite/newlib.string/strcmp-1.c b/newlib/testsuite/newlib.string/strcmp-1.c new file mode 100644 index 000000000..81f4a1f86 --- /dev/null +++ b/newlib/testsuite/newlib.string/strcmp-1.c @@ -0,0 +1,222 @@ +/* + * Copyright (c) 2011 ARM Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the company may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include + +#ifndef BUFF_SIZE +#define BUFF_SIZE 1024 +#endif + +#ifndef MAX_BLOCK_SIZE +#define MAX_BLOCK_SIZE 128 +#endif + +#ifndef MAX_OFFSET +#define MAX_OFFSET 3 +#endif + +#ifndef MAX_DIFF +#define MAX_DIFF 8 +#endif + +#ifndef MAX_LEN +#define MAX_LEN 8 +#endif + +#ifndef MAX_ZEROS +#define MAX_ZEROS 8 +#endif + +#if (MAX_OFFSET >= 26) +#error "MAX_OFFSET >= 26" +#endif + +#if (MAX_OFFSET + MAX_BLOCK_SIZE + MAX_DIFF + MAX_LEN + MAX_ZEROS >= BUFF_SIZE) +#error "Buffer overrun: MAX_OFFSET + MAX_BLOCK_SIZE + MAX_DIFF + MAX_LEN + MAX_ZEROS >= BUFF_SIZE." +#endif + + +#define TOO_MANY_ERRORS 11 +int errors = 0; + +const char *testname = "strcmp"; + +void +print_error (char const* msg, ...) +{ + errors++; + if (errors == TOO_MANY_ERRORS) + { + fprintf (stderr, "Too many errors.\n"); + } + else if (errors < TOO_MANY_ERRORS) + { + va_list ap; + va_start (ap, msg); + vfprintf (stderr, msg, ap); + va_end (ap); + } + else + { + /* Further errors omitted. */ + } +} + +void +printbuf (char *buf, char *name) +{ + int i; + printf ("\n %s=", name); + for (i = 0; i < BUFF_SIZE; i++) + if (buf[i] != 0) + printf ("(%d,%c)", i, buf[i]); + else + printf ("(%d,%s)", i, "\\0"); + printf ("\n"); +} + +int +main (void) +{ + /* Allocate buffers to read and write from. */ + char src[BUFF_SIZE], dest[BUFF_SIZE]; + + /* Fill the source buffer with non-null values, reproducable random data. */ + srand (1539); + int i, j, zeros; + unsigned sa; + unsigned da; + unsigned n, m, len; + char *p; + int ret; + + /* Make calls to strcmp with block sizes ranging between 1 and + MAX_BLOCK_SIZE bytes, aligned and misaligned source and destination. */ + for (sa = 0; sa <= MAX_OFFSET; sa++) + for (da = 0; da <= MAX_OFFSET; da++) + for (n = 1; n <= MAX_BLOCK_SIZE; n++) + { + for (m = 1; m < n + MAX_DIFF; m++) + for (len = 0; len < MAX_LEN; len++) + for (zeros = 1; zeros < MAX_ZEROS; zeros++) + { + if (n - m > MAX_DIFF) + continue; + /* Make a copy of the source. */ + for (i = 0; i < BUFF_SIZE; i++) + { + src[i] = 'A' + (i % 26); + dest[i] = src[i]; + } + memcpy (dest + da, src + sa, n); + + /* Make src 0-terminated. */ + p = src + sa + n - 1; + for (i = 0; i < zeros; i++) + { + *p++ = '\0'; + } + + /* Modify dest. */ + p = dest + da + m - 1; + for (j = 0; j < len; j++) + *p++ = 'x'; + /* Make dest 0-terminated. */ + *p = '\0'; + + ret = strcmp (src + sa, dest + da); + + /* Check return value. */ + if (n == m) + { + if (len == 0) + { + if (ret != 0) + { + print_error ("\nFailed: after %s of %u bytes " + "with src_align %u and dst_align %u, " + "dest after %d bytes is modified for %d bytes, " + "return value is %d, expected 0.\n", + testname, n, sa, da, m, len, ret); + } + } + else + { + if (ret >= 0) + print_error ("\nFailed: after %s of %u bytes " + "with src_align %u and dst_align %u, " + "dest after %d bytes is modified for %d bytes, " + "return value is %d, expected negative.\n", + testname, n, sa, da, m, len, ret); + } + } + else if (m > n) + { + if (ret >= 0) + { + print_error ("\nFailed: after %s of %u bytes " + "with src_align %u and dst_align %u, " + "dest after %d bytes is modified for %d bytes, " + "return value is %d, expected negative.\n", + testname, n, sa, da, m, len, ret); + } + } + else /* m < n */ + { + if (len == 0) + { + if (ret <= 0) + print_error ("\nFailed: after %s of %u bytes " + "with src_align %u and dst_align %u, " + "dest after %d bytes is modified for %d bytes, " + "return value is %d, expected positive.\n", + testname, n, sa, da, m, len, ret); + } + else + { + if (ret >= 0) + print_error ("\nFailed: after %s of %u bytes " + "with src_align %u and dst_align %u, " + "dest after %d bytes is modified for %d bytes, " + "return value is %d, expected negative.\n", + testname, n, sa, da, m, len, ret); + } + } + } + } + printf ("\n"); + if (errors != 0) + { + printf ("ERROR. FAILED.\n"); + abort (); + } + exit (0); +} -- cgit v1.2.3