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21015898b3
The original VBDEBUG macro used doubly-nested parens to work with MSVC, which didn't support varargs in macros. We now only use more modern compilers, so replace it with the VB2_DEBUG macro and get rid of the ugly and fragile double parens. BUG=chromium:611535 BRANCH=none TEST=make runtests; build_packages --board=reef chromeos-firmware Change-Id: Ifc0cb0733b14daaa1fde095fab7da4215a538c77 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/425133 Reviewed-by: Shelley Chen <shchen@chromium.org>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Utility functions for file and key handling.
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*/
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "2sysincludes.h"
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#include "2common.h"
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#include "2sha.h"
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#include "file_keys.h"
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#include "host_common.h"
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#include "signature_digest.h"
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int DigestFile(char *input_file, enum vb2_hash_algorithm alg,
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uint8_t *digest, uint32_t digest_size)
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{
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int input_fd, len;
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uint8_t data[VB2_SHA1_BLOCK_SIZE];
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struct vb2_digest_context ctx;
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if( (input_fd = open(input_file, O_RDONLY)) == -1 ) {
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fprintf(stderr, "Couldn't open %s\n", input_file);
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return VB2_ERROR_UNKNOWN;
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}
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vb2_digest_init(&ctx, alg);
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while ((len = read(input_fd, data, sizeof(data))) == sizeof(data))
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vb2_digest_extend(&ctx, data, len);
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if (len != -1)
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vb2_digest_extend(&ctx, data, len);
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close(input_fd);
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return vb2_digest_finalize(&ctx, digest, digest_size);
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}
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