blob: e2509f8d5bc094ca29a38762bcf5b1a7cd8f2b54 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#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