Axel Dörfler
5af32e7526
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12359 a95241bf-73f2-0310-859d-f6bbb57e9c96
117 lines
2.6 KiB
C++
117 lines
2.6 KiB
C++
/*
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* Copyright 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 "load_driver_settings.h"
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#include <OS.h>
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#include <drivers/driver_settings.h>
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#include <boot/driver_settings.h>
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#include <boot/kernel_args.h>
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#include <boot/stage2.h>
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#include <boot/platform.h>
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#include <string.h>
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static status_t
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load_driver_settings_file(Directory *directory, const char *name)
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{
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int fd = open_from(directory, name, O_RDONLY);
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if (fd < 0)
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return fd;
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struct stat stat;
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fstat(fd, &stat);
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char *buffer = (char *)kernel_args_malloc(stat.st_size + 1);
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if (buffer == NULL)
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return B_NO_MEMORY;
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if (read(fd, buffer, stat.st_size) != stat.st_size)
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return B_IO_ERROR;
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driver_settings_file *file = (driver_settings_file *)kernel_args_malloc(sizeof(driver_settings_file));
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if (file == NULL) {
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kernel_args_free(buffer);
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return B_NO_MEMORY;
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}
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buffer[stat.st_size] = '\0';
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// null terminate the buffer
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strlcpy(file->name, name, sizeof(file->name));
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file->buffer = buffer;
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file->size = stat.st_size;
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// add it to the list
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file->next = gKernelArgs.driver_settings;
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gKernelArgs.driver_settings = file;
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return B_OK;
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}
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status_t
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load_driver_settings(stage2_args */*args*/, Directory *volume)
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{
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int fd = open_from(volume, "home/config/settings/kernel/drivers", O_RDONLY);
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if (fd < B_OK)
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return fd;
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Directory *settings = (Directory *)get_node_from(fd);
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if (settings == NULL)
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return B_ENTRY_NOT_FOUND;
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void *cookie;
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if (settings->Open(&cookie, O_RDONLY) == B_OK) {
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char name[B_FILE_NAME_LENGTH];
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while (settings->GetNextEntry(cookie, name, sizeof(name)) == B_OK) {
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if (!strcmp(name, ".") || !strcmp(name, ".."))
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continue;
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status_t status = load_driver_settings_file(settings, name);
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if (status != B_OK)
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dprintf("Could not load \"%s\" error %ld\n", name, status);
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}
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settings->Close(cookie);
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}
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return B_OK;
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}
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status_t
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add_safe_mode_settings(char *settings)
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{
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if (settings == NULL || settings[0] == '\0')
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return B_OK;
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size_t length = strlen(settings);
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char *buffer = (char *)kernel_args_malloc(length + 1);
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if (buffer == NULL)
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return B_NO_MEMORY;
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driver_settings_file *file = (driver_settings_file *)kernel_args_malloc(sizeof(driver_settings_file));
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if (file == NULL) {
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kernel_args_free(buffer);
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return B_NO_MEMORY;
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}
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strlcpy(file->name, B_SAFEMODE_DRIVER_SETTINGS, sizeof(file->name));
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memcpy(buffer, settings, length + 1);
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file->buffer = buffer;
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file->size = length;
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// add it to the list
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file->next = gKernelArgs.driver_settings;
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gKernelArgs.driver_settings = file;
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return B_OK;
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}
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