Axel Dörfler
2d690920ac
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12360 a95241bf-73f2-0310-859d-f6bbb57e9c96
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/*
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* Copyright 2004-2005, Axel Dörfler, [email protected]. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#include <KernelExport.h>
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#include <safemode.h>
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#include <kernel.h>
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#include <syscalls.h>
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#include <string.h>
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extern "C" status_t
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get_safemode_option(const char *parameter, char *buffer, size_t *_bufferSize)
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{
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void *handle = load_driver_settings(B_SAFEMODE_DRIVER_SETTINGS);
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if (handle == NULL)
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return B_ENTRY_NOT_FOUND;
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status_t status = B_ENTRY_NOT_FOUND;
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const char *value = get_driver_parameter(handle, parameter, NULL, NULL);
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if (value != NULL) {
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*_bufferSize = strlcpy(buffer, value, *_bufferSize);
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status = B_OK;
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}
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unload_driver_settings(handle);
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return status;
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}
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// #pragma mark -
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extern "C" status_t
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_user_get_safemode_option(const char *userParameter, char *userBuffer, size_t *_userBufferSize)
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{
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char parameter[B_FILE_NAME_LENGTH];
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char buffer[B_PATH_NAME_LENGTH];
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size_t bufferSize, originalBufferSize;
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if (!IS_USER_ADDRESS(userParameter) || !IS_USER_ADDRESS(userBuffer)
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|| !IS_USER_ADDRESS(_userBufferSize)
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|| user_memcpy(&bufferSize, _userBufferSize, sizeof(size_t)) < B_OK
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|| user_strlcpy(parameter, userParameter, B_FILE_NAME_LENGTH) < B_OK)
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return B_BAD_ADDRESS;
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if (bufferSize > B_PATH_NAME_LENGTH)
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bufferSize = B_PATH_NAME_LENGTH;
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originalBufferSize = bufferSize;
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status_t status = get_safemode_option(parameter, buffer, &bufferSize);
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if (status == B_OK
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&& (user_strlcpy(userBuffer, buffer, originalBufferSize) < B_OK
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|| user_memcpy(_userBufferSize, &bufferSize, sizeof(size_t)) < B_OK))
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return B_BAD_ADDRESS;
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return status;
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}
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