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/*
* transmission-remote-gtk - A GTK RPC client to Transmission
* Copyright (C) 2011 Alan Fitton
* 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, or
* (at your option) any later version.
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <glib.h>
#include "base64.h"
#define my_print_errno(x) printf("%s: error (%d) %s\n", __func__, errno, x);
char *base64encode(char *filename)
{
gint fd = open(filename, O_RDONLY);
struct stat sb;
void *addr;
gchar *b64out = NULL;
if (fd < 0) {
my_print_errno("opening file");
return NULL;
}
if (fstat(fd, &sb) == -1) {
my_print_errno("on fstat");
close(fd);
return NULL;
}
addr = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (addr == MAP_FAILED) {
my_print_errno("on mmap");
close(fd);
return NULL;
}
b64out = g_base64_encode((guchar *) addr, sb.st_size);
munmap(addr, sb.st_size);
close(fd);
return b64out;
}
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