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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; 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 "uuencode.h"
static char uuchar(unsigned int val);
void uuencode(char *str, const unsigned char *data, int num)
{
int i, n;
*str++ = uuchar(num);
n = (num + 2) / 3;
for (i = 0; i < n; i++) {
unsigned int val = ((data[0] & 0xFF) << 16)
| ((data[1] & 0xFF) << 8)
| ((data[2] & 0xFF) << 0);
*str++ = uuchar(val >> 18);
*str++ = uuchar(val >> 12);
*str++ = uuchar(val >> 6);
*str++ = uuchar(val >> 0);
data += 3;
}
*str = '\0';
}
int uudecode(const char *str, unsigned char *data, int max)
{
int num = 0;
int i, n;
if (*str == '\0') {
return 0;
}
num = *str++ - 32;
if (num < 1 || num > 45) {
return 0;
}
n = (num + 2) / 3;
for (i = 0; i < n; i++) {
if (str[0] < 32 || str[0] > 96) {
return 0;
}
if (str[1] < 32 || str[1] > 96) {
return 0;
}
if (str[2] < 32 || str[2] > 96) {
return 0;
}
if (str[3] < 32 || str[3] > 96) {
return 0;
}
unsigned int val = (((str[0] - 32) & 0x3F) << 18)
| (((str[1] - 32) & 0x3F) << 12)
| (((str[2] - 32) & 0x3F) << 6)
| (((str[3] - 32) & 0x3F) << 0);
*data++ = (val >> 16) & 0xFF;
*data++ = (val >> 8) & 0xFF;
*data++ = (val >> 0) & 0xFF;
str += 4;
}
return num;
}
static char uuchar(unsigned int val)
{
val &= 0x3F;
val += 0x20;
if (val == 0x20) {
val = 0x60;
}
return val;
}
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