116 lines
2.3 KiB
C
116 lines
2.3 KiB
C
/*
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*
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* Copyright (c) International Business Machines Corp., 2002
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/* 01/02/2003 Port to LTP avenkat@us.ibm.com */
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/* 06/30/2001 Port to Linux nsharoff@us.ibm.com */
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/*
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* NAME
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* memset1.c -- test setting of buffer
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*
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* CALLS
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* memset(3)
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*
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* ALGORITHM
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* Check boundary conditions, go through 64 byte window.
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*
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* RESTRICTIONS
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "test.h"
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char *TCID = "memset01";
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#undef BSIZE
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#define BSIZE 4096
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#define LEN 100
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#define FAILED 0
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#define PASSED 1
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char buf[BSIZE];
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int local_flag = PASSED;
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int block_number;
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int TST_TOTAL = 1;
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void fill(void);
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int checkit(char *str);
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int main(int argc, char *argv[])
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{
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register int i, j;
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char *p;
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tst_parse_opts(argc, argv, NULL, NULL);
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local_flag = PASSED;
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fill();
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for (i = 0; i < 200; i++) {
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fill();
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p = &buf[400];
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memset(p, 0, i);
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if ((j = checkit(p)) != i) {
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tst_resm(TINFO,
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"Not enough zero bytes, wanted %d, got %d", i,
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j);
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local_flag = FAILED;
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break;
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}
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if (!p[-1] || !p[i]) {
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tst_resm(TINFO, "Boundary error, clear of %d", i);
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local_flag = FAILED;
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}
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if (local_flag == FAILED)
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break;
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}
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(local_flag == FAILED) ? tst_resm(TFAIL,
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"Test failed") : tst_resm(TPASS,
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"Test passed");
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(local_flag == FAILED) ? tst_resm(TFAIL,
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"Test failed") : tst_resm(TPASS,
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"Test passed");
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tst_exit();
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}
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void fill(void)
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{
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register int i;
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for (i = 0; i < BSIZE; i++)
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buf[i] = 'a';
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}
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int checkit(char *str)
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{
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register int i = 0;
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while (!*str++)
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i++;
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return (i);
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}
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