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cksum_test.c
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cksum_test.c
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/*
* LPC 2000 Loader, http://www.pjrc.com/arm/lpc2k_pgm
* Copyright (c) 2004, PJRC.COM, LLC, <paul@pjrc.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
/* If this code fails to build, please provide at least the following
* information when requesting (free) technical support.
*
* 1: Complete copy of all messages during the build.
* 2: Output of "gtk-config --version"
* 3: Output of "gtk-config --libs"
* 4: Output of "gtk-config --cflags"
* 5: Output of "uname -a"
* 6: Version of GTK installed... eg, type: ls -l /lib/libgtk*
* 7: Other info... which linux distribution, version, other software
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "uuencode.h"
unsigned int sum=0;
void cksum(const char *str)
{
int num, i;
unsigned char data[256];
if (str == NULL) return;
num = uudecode(str, data, sizeof(data));
for (i=0; i<num; i++) {
sum += data[i];
}
}
int main()
{
char buf[4096];
while (!feof(stdin)) {
fgets(buf, sizeof(buf), stdin);
if (strcmp(buf, "\n") == 0) break;
cksum(buf);
}
printf("sum = %u\n", sum);
return 0;
}