/*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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>
#endif
static char Errmsg[80];
int dataasciigen(char *listofchars, char *buffer, int bsize, int offset)
{
int cnt;
int total;
int ind;
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;
}
int dataasciichk(char *listofchars, char *buffer, int bsize,
int offset, char **errmsg)
{
int cnt;
int total;
int ind;
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;
}
#if UNIT_TEST
int main(int ac, char **ag)
{
int size = 1023;
char *buffer;
int ret;
char *errmsg;
buffer = malloc(size);
if (buffer == 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