Date: Sat, 27 Mar 2010 16:42:54 +0000 (UTC) From: Dag-Erling Smorgrav <des@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r205741 - user/des/svnsup/src/libsvnsup Message-ID: <201003271642.o2RGgsaH040898@svn.freebsd.org>
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Author: des Date: Sat Mar 27 16:42:53 2010 New Revision: 205741 URL: http://svn.freebsd.org/changeset/base/205741 Log: base64 lookup table generator Added: user/des/svnsup/src/libsvnsup/b64.c (contents, props changed) Added: user/des/svnsup/src/libsvnsup/b64.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/des/svnsup/src/libsvnsup/b64.c Sat Mar 27 16:42:53 2010 (r205741) @@ -0,0 +1,75 @@ +/*- + * Copyright (c) 2010 Dag-Erling Coïdan Smørgrav + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer + * in this position and unchanged. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stdio.h> + +static const char b64enc[64] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz" + "0123456789" + "+/"; + +static char b64dec[256]; + +int +main(void) +{ + int i, j; + + for (i = 0; i < 64; ++i) + b64dec[(int)b64enc[i]] = i + 1; + for (i = 0; i < 256; ++i) + --b64dec[i]; + + printf("static const char b64enc[64] = {\n"); + for (i = 0; i < 8; ++i) { + putchar('\t'); + for (j = 0; j < 8; ++j) { + if (j > 0) + putchar(' '); + printf("'%c',", b64enc[i * 8 + j]); + } + putchar('\n'); + } + printf("};\n"); + + printf("static const char b64dec[256] = {\n"); + for (i = 0; i < 16; ++i) { + putchar('\t'); + for (j = 0; j < 16; ++j) { + if (j > 0) + putchar(' '); + printf("%2d,", b64dec[i * 16 + j]); + } + putchar('\n'); + } + printf("};\n"); + + return (0); +}
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