From eca35c468094fc6b7177f33ef51fa873eb88e79c Mon Sep 17 00:00:00 2001 From: Alan Fitton Date: Sun, 30 Jan 2011 10:57:07 +0000 Subject: hello world! --- src/base64.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 src/base64.c (limited to 'src/base64.c') diff --git a/src/base64.c b/src/base64.c new file mode 100644 index 0000000..fbf07cb --- /dev/null +++ b/src/base64.c @@ -0,0 +1,66 @@ +/* + * transmission-remote-gtk - A GTK RPC client to Transmission + * Copyright (C) 2010 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 +#include + +#include "base64.h" + +static const char cb64[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + +void encodeblock(unsigned char in[3], unsigned char out[4], int len) +{ + out[0] = cb64[in[0] >> 2]; + out[1] = cb64[((in[0] & 0x03) << 4) | ((in[1] & 0xf0) >> 4)]; + out[2] = + (unsigned char) (len > + 1 ? cb64[((in[1] & 0x0f) << 2) | + ((in[2] & 0xc0) >> 6)] : '='); + out[3] = (unsigned char) (len > 2 ? cb64[in[2] & 0x3f] : '='); +} + +char *base64encode(char *filename) +{ + FILE *infile = fopen(filename, "rb"); + unsigned char in[3], out[4]; + int i, len, j = 0; + char *output = NULL; + while (!feof(infile)) { + len = 0; + for (i = 0; i < 3; i++) { + in[i] = (unsigned char) getc(infile); + if (!feof(infile)) { + len++; + } else { + in[i] = 0; + } + } + if (len) { + output = (char *) realloc(output, j + 5); + encodeblock(in, out, len); + for (i = 0; i < 4; i++) { + output[j++] = out[i]; + } + } + } + output[j] = '\0'; + fclose(infile); + return output; +} -- cgit v1.2.3