mirror of
https://github.com/reactos/reactos.git
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97 lines
3 KiB
C
97 lines
3 KiB
C
/*
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* FreeLoader
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* Copyright (C) 1998-2003 Brian Palmer <brianp@sginet.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* INCLUDES *******************************************************************/
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#include <freeldr.h>
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#define TAG_STRING ' rtS'
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#define TAG_OS_ITEM 'tISO'
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/* FUNCTIONS ******************************************************************/
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static PCSTR CopyString(PCSTR Source)
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{
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PSTR Dest;
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if (!Source)
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return NULL;
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Dest = FrLdrHeapAlloc(strlen(Source) + 1, TAG_STRING);
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if (Dest)
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strcpy(Dest, Source);
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return Dest;
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}
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OperatingSystemItem* InitOperatingSystemList(ULONG* OperatingSystemCountPointer)
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{
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ULONG Idx;
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CHAR SettingName[260];
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CHAR SettingValue[260];
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ULONG_PTR SectionId;
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PCHAR TitleStart, TitleEnd;
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PCSTR OsLoadOptions;
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ULONG Count;
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OperatingSystemItem* Items;
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/* Open the [FreeLoader] section */
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if (!IniOpenSection("Operating Systems", &SectionId))
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return NULL;
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/* Count number of operating systems in the section */
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Count = IniGetNumSectionItems(SectionId);
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/* Allocate memory to hold operating system lists */
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Items = FrLdrHeapAlloc(Count * sizeof(OperatingSystemItem), TAG_OS_ITEM);
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if (!Items)
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return NULL;
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/* Now loop through and read the operating system section and display names */
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for (Idx = 0; Idx < Count; Idx++)
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{
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IniReadSettingByNumber(SectionId, Idx, SettingName, sizeof(SettingName), SettingValue, sizeof(SettingValue));
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/* Search start and end of the title */
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OsLoadOptions = NULL;
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TitleStart = SettingValue;
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while (*TitleStart == ' ' || *TitleStart == '"')
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TitleStart++;
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TitleEnd = TitleStart;
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if (*TitleEnd != ANSI_NULL)
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TitleEnd++;
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while (*TitleEnd != ANSI_NULL && *TitleEnd != '"')
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TitleEnd++;
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if (*TitleEnd != ANSI_NULL)
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{
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*TitleEnd = ANSI_NULL;
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OsLoadOptions = TitleEnd + 1;
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}
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/* Copy the system partition, identifier and options */
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Items[Idx].SystemPartition = CopyString(SettingName);
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Items[Idx].LoadIdentifier = CopyString(TitleStart);
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Items[Idx].OsLoadOptions = CopyString(OsLoadOptions);
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}
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/* Return success */
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*OperatingSystemCountPointer = Count;
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return Items;
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}
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