219 lines
5.8 KiB
C
219 lines
5.8 KiB
C
/*
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* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
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*/
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#include <stdio.h>
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#include <string.h>
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#include "dataascii.h"
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#define CHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghjiklmnopqrstuvwxyz\n"
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#define CHARS_SIZE sizeof(CHARS)
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#ifdef UNIT_TEST
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#include <stdlib.h> /* malloc */
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#endif
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static char Errmsg[80];
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int
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dataasciigen(listofchars, buffer, bsize, offset)
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char *listofchars; /* a null terminated list of characters */
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char *buffer;
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int bsize;
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int offset;
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{
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int cnt;
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int total;
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int ind; /* index into CHARS array */
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char *chr;
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int chars_size;
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const char *charlist;
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chr=buffer;
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total=offset+bsize;
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if ( listofchars == NULL ) {
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charlist=CHARS;
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chars_size=CHARS_SIZE;
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}
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else {
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charlist=listofchars;
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chars_size=strlen(listofchars);
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}
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for(cnt=offset; cnt<total; cnt++) {
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ind=cnt%chars_size;
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*chr++=charlist[ind];
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}
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return bsize;
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} /* end of dataasciigen */
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int
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dataasciichk(listofchars, buffer, bsize, offset, errmsg)
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char *listofchars; /* a null terminated list of characters */
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char *buffer;
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int bsize;
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int offset;
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char **errmsg;
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{
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int cnt;
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int total;
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int ind; /* index into CHARS array */
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char *chr;
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int chars_size;
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const char *charlist;
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chr=buffer;
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total=offset+bsize;
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if ( listofchars == NULL ) {
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charlist=CHARS;
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chars_size=CHARS_SIZE;
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}
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else {
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charlist=listofchars;
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chars_size=strlen(listofchars);
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}
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if ( errmsg != NULL ) {
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*errmsg = Errmsg;
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}
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for(cnt=offset; cnt<total; chr++, cnt++) {
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ind=cnt%chars_size;
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if ( *chr != charlist[ind] ) {
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sprintf(Errmsg,
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"data mismatch at offset %d, exp:%#o, act:%#o", cnt,
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charlist[ind], *chr);
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return cnt;
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}
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}
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sprintf(Errmsg, "all %d bytes match desired pattern", bsize);
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return -1; /* buffer is ok */
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} /* end of dataasciichk */
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#if UNIT_TEST
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/***********************************************************************
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* main for doing unit testing
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***********************************************************************/
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int
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main(ac, ag)
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int ac;
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char **ag;
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{
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int size=1023;
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char *buffer;
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int ret;
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char *errmsg;
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if ((buffer=(char *)malloc(size)) == NULL ) {
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perror("malloc");
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exit(2);
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}
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dataasciigen(NULL, buffer, size, 0);
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printf("dataasciigen(NULL, buffer, %d, 0)\n", size);
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ret=dataasciichk(NULL, buffer, size, 0, &errmsg);
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printf("dataasciichk(NULL, buffer, %d, 0, &errmsg) returned %d %s\n",
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size, ret, errmsg);
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if ( ret == -1 )
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printf("\tPASS return value is -1 as expected\n");
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else
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printf("\tFAIL return value is %d, expected -1\n", ret);
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ret=dataasciichk(NULL, &buffer[1], size-1, 1, &errmsg);
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printf("dataasciichk(NULL, &buffer[1], %d, 1, &errmsg) returned %d %s\n",
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size-1, ret, errmsg);
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if ( ret == -1 )
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printf("\tPASS return value is -1 as expected\n");
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else
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printf("\tFAIL return value is %d, expected -1\n", ret);
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buffer[25]= 0x0;
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printf("changing char 25\n");
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ret=dataasciichk(NULL, &buffer[1], size-1, 1, &errmsg);
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printf("dataasciichk(NULL, &buffer[1], %d, 1, &errmsg) returned %d %s\n",
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size-1, ret, errmsg);
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if ( ret == 25 )
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printf("\tPASS return value is 25 as expected\n");
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else
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printf("\tFAIL return value is %d, expected 25\n", ret);
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dataasciigen("this is a test of the my string" , buffer, size, 0);
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printf("dataasciigen(\"this is a test of the my string\", buffer, %d, 0)\n", size);
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ret=dataasciichk("this is a test of the my string", buffer, size, 0, &errmsg);
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printf("dataasciichk(\"this is a test of the my string\", buffer, %d, 0, &errmsg) returned %d %s\n",
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size, ret, errmsg);
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if ( ret == -1 )
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printf("\tPASS return value is -1 as expected\n");
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else
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printf("\tFAIL return value is %d, expected -1\n", ret);
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ret=dataasciichk("this is a test of the my string", &buffer[1], size-1, 1, &errmsg);
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printf("dataasciichk(\"this is a test of the my string\", &buffer[1], %d, 1, &errmsg) returned %d %s\n",
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size-1, ret, errmsg);
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if ( ret == -1 )
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printf("\tPASS return value is -1 as expected\n");
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else
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printf("\tFAIL return value is %d, expected -1\n", ret);
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buffer[25]= 0x0;
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printf("changing char 25\n");
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ret=dataasciichk("this is a test of the my string", &buffer[1], size-1, 1, &errmsg);
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printf("dataasciichk(\"this is a test of the my string\", &buffer[1], %d, 1, &errmsg) returned %d %s\n",
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size-1, ret, errmsg);
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if ( ret == 25 )
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printf("\tPASS return value is 25 as expected\n");
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else
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printf("\tFAIL return value is %d, expected 25\n", ret);
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exit(0);
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}
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#endif
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