/* * 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; const 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; const 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