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Create a branch for header work.

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svn path=/branches/header-work/; revision=45691
This commit is contained in:
Timo Kreuzer 2010-02-26 22:57:55 +00:00
parent 14fe274b1c
commit 9ea495ba33
19538 changed files with 0 additions and 1063950 deletions
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55
lib/rossym/fromraw.c Normal file
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: lib/rossym/frommem.c
* PURPOSE: Creating rossym info from an in-memory image
*
* PROGRAMMERS: Ge van Geldorp (gvg@reactos.com)
*/
#define NTOSAPI
#include <ntddk.h>
#include <reactos/rossym.h>
#include "rossympriv.h"
#define NDEBUG
#include <debug.h>
BOOLEAN
RosSymCreateFromRaw(PVOID RawData, ULONG_PTR DataSize, PROSSYM_INFO *RosSymInfo)
{
PROSSYM_HEADER RosSymHeader;
RosSymHeader = (PROSSYM_HEADER) RawData;
if (RosSymHeader->SymbolsOffset < sizeof(ROSSYM_HEADER)
|| RosSymHeader->StringsOffset < RosSymHeader->SymbolsOffset + RosSymHeader->SymbolsLength
|| DataSize < RosSymHeader->StringsOffset + RosSymHeader->StringsLength
|| 0 != (RosSymHeader->SymbolsLength % sizeof(ROSSYM_ENTRY)))
{
DPRINT1("Invalid ROSSYM_HEADER\n");
return FALSE;
}
/* Copy */
*RosSymInfo = RosSymAllocMem(sizeof(ROSSYM_INFO) + RosSymHeader->SymbolsLength
+ RosSymHeader->StringsLength + 1);
if (NULL == *RosSymInfo)
{
DPRINT1("Failed to allocate memory for rossym\n");
return FALSE;
}
(*RosSymInfo)->Symbols = (PROSSYM_ENTRY)((char *) *RosSymInfo + sizeof(ROSSYM_INFO));
(*RosSymInfo)->SymbolsCount = RosSymHeader->SymbolsLength / sizeof(ROSSYM_ENTRY);
(*RosSymInfo)->Strings = (PCHAR) *RosSymInfo + sizeof(ROSSYM_INFO) + RosSymHeader->SymbolsLength;
(*RosSymInfo)->StringsLength = RosSymHeader->StringsLength;
memcpy((*RosSymInfo)->Symbols, (char *) RosSymHeader + RosSymHeader->SymbolsOffset,
RosSymHeader->SymbolsLength);
memcpy((*RosSymInfo)->Strings, (char *) RosSymHeader + RosSymHeader->StringsOffset,
RosSymHeader->StringsLength);
/* Make sure the last string is null terminated, we allocated an extra byte for that */
(*RosSymInfo)->Strings[(*RosSymInfo)->StringsLength] = '\0';
return TRUE;
}
/* EOF */