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fe2c1a231e
BUG=None TEST=build update_engine with a change that uses the header. BRANCH=none Change-Id: Icbfe9be615a4f7f4078a0a0cde64324908dea2a7 Reviewed-on: https://chromium-review.googlesource.com/174428 Commit-Queue: Richard Barnette <jrbarnette@chromium.org> Tested-by: Richard Barnette <jrbarnette@chromium.org> Reviewed-by: Bill Richardson <wfrichar@chromium.org>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* Copyright (c) 2013 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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#ifndef VBOOT_REFERENCE_CROSSYSTEM_H_
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#define VBOOT_REFERENCE_CROSSYSTEM_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Reads a system property integer.
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*
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* Returns the property value, or -1 if error. */
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int VbGetSystemPropertyInt(const char* name);
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/* Read a system property string into a destination buffer of the
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* specified size. Returned string will be null-terminated. If the
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* buffer is too small, the returned string will be truncated.
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*
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* Returns the passed buffer, or NULL if error. */
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const char* VbGetSystemPropertyString(const char* name, char* dest, int size);
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/* Sets a system property integer.
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*
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* Returns 0 if success, -1 if error. */
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int VbSetSystemPropertyInt(const char* name, int value);
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/* Set a system property string.
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*
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* Returns 0 if success, -1 if error. */
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int VbSetSystemPropertyString(const char* name, const char* value);
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#ifdef __cplusplus
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}
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#endif
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#endif /* VBOOT_REFERENCE__CROSSYSTEM_H_ */
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