113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
/* $NetBSD: bin2blob.c,v 1.1 2008/05/04 23:50:32 ad Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Reads data from stdin (must be a regular file so we can do stat()), and
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* outputs a 32-bit array of format:
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*
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* [0] signature: BLOB
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* [1] original, uncompressed length
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* [2] length of compressed data that follows, unpadded
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* [n] zlib compressed data, padded to 4 bytes
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: bin2blob.c,v 1.1 2008/05/04 23:50:32 ad Exp $");
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#endif /* !lint */
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#include <sys/module.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <err.h>
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#include <zlib.h>
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int main(int, char **);
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#define SIG 0x424c4f42
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void
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put(uint32_t val)
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{
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static int n;
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switch (n) {
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case 6:
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putc('\n', stdout);
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n = 0;
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/* FALLTHROUGH */
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case 0:
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putc('\t', stdout);
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break;
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}
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printf("0x%08x,", val);
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n++;
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}
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int
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main(int argc, char **argv)
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{
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struct stat sb;
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uint8_t *src, *dst;
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u_long slen, dlen;
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uint32_t *dp;
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if (fstat(STDIN_FILENO, &sb) < 0)
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err(1, "stat(stdin)");
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src = malloc(sb.st_size);
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dlen = sb.st_size * 1002 / 1000 + 12 + 3 + 4*2;
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dst = malloc(dlen);
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if (src == NULL || dst == NULL)
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errx(1, "malloc");
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if (read(STDIN_FILENO, src, sb.st_size) != sb.st_size)
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errx(1, "read");
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slen = sb.st_size;
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memset(dst, 0, dlen);
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if (compress2(dst, &dlen, src, slen, 9) != Z_OK)
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errx(1, "compress2");
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printf("static const uint32_t blob[] = {\n");
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put(SIG);
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put(slen);
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put(dlen);
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dlen = ((dlen + 3) & ~3) >> 2;
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dp = (uint32_t *)dst;
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while (dlen--)
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put(*dp++);
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printf("\n};\n");
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exit(EXIT_SUCCESS);
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}
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