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