mirror of
https://github.com/reactos/reactos.git
synced 2025-07-30 09:41:47 +00:00
Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.
This commit is contained in:
Colin Finck
parent
b94e2d8ca0
commit
c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
678
sdk/lib/inflib/infget.c
Normal file
678
sdk/lib/inflib/infget.c
Normal file
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@ -0,0 +1,678 @@
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/*
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* PROJECT: .inf file parser
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* LICENSE: GPL - See COPYING in the top level directory
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* PROGRAMMER: Royce Mitchell III
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* Eric Kohl
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* Ge van Geldorp <gvg@reactos.org>
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*/
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/* INCLUDES *****************************************************************/
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#include "inflib.h"
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#define NDEBUG
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#include <debug.h>
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static unsigned int
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InfpSubstituteString(PINFCACHE Inf,
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const WCHAR *text,
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WCHAR *buffer,
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unsigned int size);
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static void
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ShortToHex(PWCHAR Buffer,
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USHORT Value)
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{
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WCHAR HexDigits[] = L"0123456789abcdef";
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Buffer[0] = HexDigits[Value >> 12 & 0xf];
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Buffer[1] = HexDigits[Value >> 8 & 0xf];
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Buffer[2] = HexDigits[Value >> 4 & 0xf];
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Buffer[3] = HexDigits[Value >> 0 & 0xf];
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}
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/* retrieve the string substitution for a given string, or NULL if not found */
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/* if found, len is set to the substitution length */
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static PCWSTR
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InfpGetSubstitutionString(PINFCACHE Inf,
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PCWSTR str,
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unsigned int *len,
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BOOL no_trailing_slash)
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{
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static const WCHAR percent = '%';
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INFSTATUS Status = INF_STATUS_NOT_FOUND;
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PINFCONTEXT Context = NULL;
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PWCHAR Data = NULL;
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WCHAR ValueName[MAX_INF_STRING_LENGTH +1];
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WCHAR StringLangId[] = L"Strings.XXXX";
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if (!*len) /* empty string (%%) is replaced by single percent */
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{
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*len = 1;
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return &percent;
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}
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memcpy(ValueName, str, *len * sizeof(WCHAR));
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ValueName[*len] = 0;
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DPRINT("Value name: %S\n", ValueName);
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if (Inf->LanguageId != 0)
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{
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ShortToHex(&StringLangId[sizeof("Strings.") - 1],
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Inf->LanguageId);
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Status = InfpFindFirstLine(Inf,
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StringLangId,
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ValueName,
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&Context);
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if (Status != INF_STATUS_SUCCESS)
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{
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ShortToHex(&StringLangId[sizeof("Strings.") - 1],
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MAKELANGID(PRIMARYLANGID(Inf->LanguageId), SUBLANG_NEUTRAL));
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Status = InfpFindFirstLine(Inf,
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StringLangId,
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ValueName,
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&Context);
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if (Status != INF_STATUS_SUCCESS)
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{
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Status = InfpFindFirstLine(Inf,
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L"Strings",
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ValueName,
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&Context);
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}
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}
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}
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else
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{
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Status = InfpFindFirstLine(Inf,
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L"Strings",
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ValueName,
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&Context);
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}
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if (Status != INF_STATUS_SUCCESS || Context == NULL)
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return NULL;
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Status = InfpGetData(Context,
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NULL,
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&Data);
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InfpFreeContext(Context);
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if (Status == STATUS_SUCCESS)
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{
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*len = strlenW(Data);
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DPRINT("Substitute: %S Length: %ul\n", Data, *len);
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return Data;
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}
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return NULL;
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}
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/* do string substitutions on the specified text */
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/* the buffer is assumed to be large enough */
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/* returns necessary length not including terminating null */
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static unsigned int
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InfpSubstituteString(PINFCACHE Inf,
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PCWSTR text,
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PWSTR buffer,
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unsigned int size)
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{
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const WCHAR *start, *subst, *p;
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unsigned int len, total = 0;
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int inside = 0;
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if (!buffer) size = MAX_INF_STRING_LENGTH + 1;
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for (p = start = text; *p; p++)
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{
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if (*p != '%') continue;
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inside = !inside;
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if (inside) /* start of a %xx% string */
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{
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len = (unsigned int)(p - start);
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if (len > size - 1) len = size - 1;
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if (buffer) memcpy( buffer + total, start, len * sizeof(WCHAR) );
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total += len;
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size -= len;
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start = p;
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}
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else /* end of the %xx% string, find substitution */
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{
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len = (unsigned int)(p - start - 1);
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subst = InfpGetSubstitutionString( Inf, start + 1, &len, p[1] == '\\' );
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if (!subst)
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{
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subst = start;
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len = (unsigned int)(p - start + 1);
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}
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if (len > size - 1) len = size - 1;
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if (buffer) memcpy( buffer + total, subst, len * sizeof(WCHAR) );
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total += len;
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size -= len;
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start = p + 1;
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}
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}
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if (start != p) /* unfinished string, copy it */
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{
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len = (unsigned int)(p - start);
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if (len > size - 1) len = size - 1;
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if (buffer) memcpy( buffer + total, start, len * sizeof(WCHAR) );
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total += len;
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}
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if (buffer && size) buffer[total] = 0;
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return total;
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}
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INFSTATUS
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InfpFindFirstLine(PINFCACHE Cache,
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PCWSTR Section,
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PCWSTR Key,
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PINFCONTEXT *Context)
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{
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PINFCACHESECTION CacheSection;
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PINFCACHELINE CacheLine;
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if (Cache == NULL || Section == NULL || Context == NULL)
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{
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DPRINT1("Invalid parameter\n");
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return INF_STATUS_INVALID_PARAMETER;
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}
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CacheSection = InfpFindSection(Cache, Section);
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if (NULL == CacheSection)
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{
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DPRINT("Section not found\n");
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return INF_STATUS_NOT_FOUND;
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}
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if (Key != NULL)
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{
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CacheLine = InfpFindKeyLine(CacheSection, Key);
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}
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else
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{
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CacheLine = CacheSection->FirstLine;
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}
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if (NULL == CacheLine)
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{
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DPRINT("Key not found\n");
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return INF_STATUS_NOT_FOUND;
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}
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*Context = MALLOC(sizeof(INFCONTEXT));
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if (NULL == *Context)
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{
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DPRINT1("MALLOC() failed\n");
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return INF_STATUS_NO_MEMORY;
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}
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(*Context)->Inf = (PVOID)Cache;
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(*Context)->Section = (PVOID)CacheSection;
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(*Context)->Line = (PVOID)CacheLine;
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return INF_STATUS_SUCCESS;
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}
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INFSTATUS
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InfpFindNextLine(PINFCONTEXT ContextIn,
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PINFCONTEXT ContextOut)
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{
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PINFCACHELINE CacheLine;
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if (ContextIn == NULL || ContextOut == NULL)
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return INF_STATUS_INVALID_PARAMETER;
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if (ContextIn->Line == NULL)
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return INF_STATUS_INVALID_PARAMETER;
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CacheLine = (PINFCACHELINE)ContextIn->Line;
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if (CacheLine->Next == NULL)
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return INF_STATUS_NOT_FOUND;
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if (ContextIn != ContextOut)
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{
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ContextOut->Inf = ContextIn->Inf;
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ContextOut->Section = ContextIn->Section;
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}
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ContextOut->Line = (PVOID)(CacheLine->Next);
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return INF_STATUS_SUCCESS;
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}
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INFSTATUS
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InfpFindFirstMatchLine(PINFCONTEXT ContextIn,
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PCWSTR Key,
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PINFCONTEXT ContextOut)
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{
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PINFCACHELINE CacheLine;
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if (ContextIn == NULL || ContextOut == NULL || Key == NULL || *Key == 0)
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return INF_STATUS_INVALID_PARAMETER;
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if (ContextIn->Inf == NULL || ContextIn->Section == NULL)
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return INF_STATUS_INVALID_PARAMETER;
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CacheLine = ((PINFCACHESECTION)(ContextIn->Section))->FirstLine;
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while (CacheLine != NULL)
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{
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if (CacheLine->Key != NULL && strcmpiW (CacheLine->Key, Key) == 0)
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{
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if (ContextIn != ContextOut)
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{
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ContextOut->Inf = ContextIn->Inf;
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ContextOut->Section = ContextIn->Section;
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}
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ContextOut->Line = (PVOID)CacheLine;
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return INF_STATUS_SUCCESS;
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}
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CacheLine = CacheLine->Next;
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}
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return INF_STATUS_NOT_FOUND;
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}
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INFSTATUS
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InfpFindNextMatchLine(PINFCONTEXT ContextIn,
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PCWSTR Key,
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PINFCONTEXT ContextOut)
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{
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PINFCACHELINE CacheLine;
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if (ContextIn == NULL || ContextOut == NULL || Key == NULL || *Key == 0)
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return INF_STATUS_INVALID_PARAMETER;
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if (ContextIn->Inf == NULL || ContextIn->Section == NULL || ContextIn->Line == NULL)
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return INF_STATUS_INVALID_PARAMETER;
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CacheLine = (PINFCACHELINE)ContextIn->Line;
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while (CacheLine != NULL)
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{
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if (CacheLine->Key != NULL && strcmpiW (CacheLine->Key, Key) == 0)
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{
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if (ContextIn != ContextOut)
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{
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ContextOut->Inf = ContextIn->Inf;
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ContextOut->Section = ContextIn->Section;
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}
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ContextOut->Line = (PVOID)CacheLine;
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return INF_STATUS_SUCCESS;
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}
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CacheLine = CacheLine->Next;
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}
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return INF_STATUS_NOT_FOUND;
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}
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LONG
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InfpGetLineCount(HINF InfHandle,
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PCWSTR Section)
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{
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PINFCACHE Cache;
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PINFCACHESECTION CacheSection;
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if (InfHandle == NULL || Section == NULL)
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{
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DPRINT("Invalid parameter\n");
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return -1;
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}
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Cache = (PINFCACHE)InfHandle;
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/* Iterate through list of sections */
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CacheSection = Cache->FirstSection;
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while (CacheSection != NULL)
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{
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/* Are the section names the same? */
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if (strcmpiW(CacheSection->Name, Section) == 0)
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{
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return CacheSection->LineCount;
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}
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/* Get the next section */
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CacheSection = CacheSection->Next;
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}
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DPRINT("Section not found\n");
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return -1;
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||||
}
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/* InfpGetLineText */
|
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LONG
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InfpGetFieldCount(PINFCONTEXT Context)
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{
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if (Context == NULL || Context->Line == NULL)
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return 0;
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return ((PINFCACHELINE)Context->Line)->FieldCount;
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}
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|
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INFSTATUS
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InfpGetBinaryField(PINFCONTEXT Context,
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ULONG FieldIndex,
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||||
PUCHAR ReturnBuffer,
|
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ULONG ReturnBufferSize,
|
||||
PULONG RequiredSize)
|
||||
{
|
||||
PINFCACHELINE CacheLine;
|
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PINFCACHEFIELD CacheField;
|
||||
ULONG Index;
|
||||
ULONG Size;
|
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PUCHAR Ptr;
|
||||
|
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if (Context == NULL || Context->Line == NULL || FieldIndex == 0)
|
||||
{
|
||||
DPRINT("Invalid parameter\n");
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
}
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||||
|
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if (RequiredSize != NULL)
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*RequiredSize = 0;
|
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CacheLine = (PINFCACHELINE)Context->Line;
|
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|
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if (FieldIndex > (ULONG)CacheLine->FieldCount)
|
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return INF_STATUS_NOT_FOUND;
|
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|
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CacheField = CacheLine->FirstField;
|
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for (Index = 1; Index < FieldIndex; Index++)
|
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CacheField = CacheField->Next;
|
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|
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Size = (ULONG)CacheLine->FieldCount - FieldIndex + 1;
|
||||
|
||||
if (RequiredSize != NULL)
|
||||
*RequiredSize = Size;
|
||||
|
||||
if (ReturnBuffer != NULL)
|
||||
{
|
||||
if (ReturnBufferSize < Size)
|
||||
return INF_STATUS_BUFFER_OVERFLOW;
|
||||
|
||||
/* Copy binary data */
|
||||
Ptr = ReturnBuffer;
|
||||
while (CacheField != NULL)
|
||||
{
|
||||
*Ptr = (UCHAR)strtoulW(CacheField->Data, NULL, 16);
|
||||
|
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Ptr++;
|
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CacheField = CacheField->Next;
|
||||
}
|
||||
}
|
||||
|
||||
return INF_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
INFSTATUS
|
||||
InfpGetIntField(PINFCONTEXT Context,
|
||||
ULONG FieldIndex,
|
||||
INT *IntegerValue)
|
||||
{
|
||||
PINFCACHELINE CacheLine;
|
||||
PINFCACHEFIELD CacheField;
|
||||
ULONG Index;
|
||||
PWCHAR Ptr;
|
||||
|
||||
if (Context == NULL || Context->Line == NULL || IntegerValue == NULL)
|
||||
{
|
||||
DPRINT("Invalid parameter\n");
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
CacheLine = (PINFCACHELINE)Context->Line;
|
||||
|
||||
if (FieldIndex > (ULONG)CacheLine->FieldCount)
|
||||
{
|
||||
DPRINT("Invalid parameter\n");
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
if (FieldIndex == 0)
|
||||
{
|
||||
Ptr = CacheLine->Key;
|
||||
}
|
||||
else
|
||||
{
|
||||
CacheField = CacheLine->FirstField;
|
||||
for (Index = 1; Index < FieldIndex; Index++)
|
||||
CacheField = CacheField->Next;
|
||||
|
||||
Ptr = CacheField->Data;
|
||||
}
|
||||
|
||||
*IntegerValue = (LONG)strtolW(Ptr, NULL, 0);
|
||||
|
||||
return INF_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
INFSTATUS
|
||||
InfpGetMultiSzField(PINFCONTEXT Context,
|
||||
ULONG FieldIndex,
|
||||
PWSTR ReturnBuffer,
|
||||
ULONG ReturnBufferSize,
|
||||
PULONG RequiredSize)
|
||||
{
|
||||
PINFCACHELINE CacheLine;
|
||||
PINFCACHEFIELD CacheField;
|
||||
PINFCACHEFIELD FieldPtr;
|
||||
ULONG Index;
|
||||
ULONG Size;
|
||||
PWCHAR Ptr;
|
||||
|
||||
if (Context == NULL || Context->Line == NULL || FieldIndex == 0)
|
||||
{
|
||||
DPRINT("Invalid parameter\n");
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
if (RequiredSize != NULL)
|
||||
*RequiredSize = 0;
|
||||
|
||||
CacheLine = (PINFCACHELINE)Context->Line;
|
||||
|
||||
if (FieldIndex > (ULONG)CacheLine->FieldCount)
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
|
||||
CacheField = CacheLine->FirstField;
|
||||
for (Index = 1; Index < FieldIndex; Index++)
|
||||
CacheField = CacheField->Next;
|
||||
|
||||
/* Calculate the required buffer size */
|
||||
FieldPtr = CacheField;
|
||||
Size = 0;
|
||||
while (FieldPtr != NULL)
|
||||
{
|
||||
Size += ((ULONG)strlenW(FieldPtr->Data) + 1);
|
||||
FieldPtr = FieldPtr->Next;
|
||||
}
|
||||
Size++;
|
||||
|
||||
if (RequiredSize != NULL)
|
||||
*RequiredSize = Size;
|
||||
|
||||
if (ReturnBuffer != NULL)
|
||||
{
|
||||
if (ReturnBufferSize < Size)
|
||||
return INF_STATUS_BUFFER_OVERFLOW;
|
||||
|
||||
/* Copy multi-sz string */
|
||||
Ptr = ReturnBuffer;
|
||||
FieldPtr = CacheField;
|
||||
while (FieldPtr != NULL)
|
||||
{
|
||||
Size = (ULONG)strlenW(FieldPtr->Data) + 1;
|
||||
|
||||
strcpyW(Ptr, FieldPtr->Data);
|
||||
|
||||
Ptr = Ptr + Size;
|
||||
FieldPtr = FieldPtr->Next;
|
||||
}
|
||||
*Ptr = 0;
|
||||
}
|
||||
|
||||
return INF_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
INFSTATUS
|
||||
InfpGetStringField(PINFCONTEXT Context,
|
||||
ULONG FieldIndex,
|
||||
PWSTR ReturnBuffer,
|
||||
ULONG ReturnBufferSize,
|
||||
PULONG RequiredSize)
|
||||
{
|
||||
PINFCACHELINE CacheLine;
|
||||
PINFCACHEFIELD CacheField;
|
||||
ULONG Index;
|
||||
PWCHAR Ptr;
|
||||
ULONG Size;
|
||||
|
||||
if (Context == NULL || Context->Line == NULL)
|
||||
{
|
||||
DPRINT("Invalid parameter\n");
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
if (RequiredSize != NULL)
|
||||
*RequiredSize = 0;
|
||||
|
||||
CacheLine = (PINFCACHELINE)Context->Line;
|
||||
|
||||
if (FieldIndex > (ULONG)CacheLine->FieldCount)
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
|
||||
if (FieldIndex == 0)
|
||||
{
|
||||
Ptr = CacheLine->Key;
|
||||
}
|
||||
else
|
||||
{
|
||||
CacheField = CacheLine->FirstField;
|
||||
for (Index = 1; Index < FieldIndex; Index++)
|
||||
CacheField = CacheField->Next;
|
||||
|
||||
Ptr = CacheField->Data;
|
||||
}
|
||||
|
||||
// Size = (ULONG)strlenW(Ptr) + 1;
|
||||
Size = InfpSubstituteString(Context->Inf,
|
||||
Ptr,
|
||||
NULL,
|
||||
0);
|
||||
|
||||
if (RequiredSize != NULL)
|
||||
*RequiredSize = Size + 1;
|
||||
|
||||
if (ReturnBuffer != NULL)
|
||||
{
|
||||
if (ReturnBufferSize <= Size)
|
||||
return INF_STATUS_BUFFER_OVERFLOW;
|
||||
|
||||
// strcpyW(ReturnBuffer, Ptr);
|
||||
InfpSubstituteString(Context->Inf,
|
||||
Ptr,
|
||||
ReturnBuffer,
|
||||
ReturnBufferSize);
|
||||
}
|
||||
|
||||
return INF_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
INFSTATUS
|
||||
InfpGetData(PINFCONTEXT Context,
|
||||
PWCHAR *Key,
|
||||
PWCHAR *Data)
|
||||
{
|
||||
PINFCACHELINE CacheKey;
|
||||
|
||||
if (Context == NULL || Context->Line == NULL || Data == NULL)
|
||||
{
|
||||
DPRINT("Invalid parameter\n");
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
CacheKey = (PINFCACHELINE)Context->Line;
|
||||
if (Key != NULL)
|
||||
*Key = CacheKey->Key;
|
||||
|
||||
if (Data != NULL)
|
||||
{
|
||||
if (CacheKey->FirstField == NULL)
|
||||
{
|
||||
*Data = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
*Data = CacheKey->FirstField->Data;
|
||||
}
|
||||
}
|
||||
|
||||
return INF_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
INFSTATUS
|
||||
InfpGetDataField(PINFCONTEXT Context,
|
||||
ULONG FieldIndex,
|
||||
PWCHAR *Data)
|
||||
{
|
||||
PINFCACHELINE CacheLine;
|
||||
PINFCACHEFIELD CacheField;
|
||||
ULONG Index;
|
||||
|
||||
if (Context == NULL || Context->Line == NULL || Data == NULL)
|
||||
{
|
||||
DPRINT("Invalid parameter\n");
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
CacheLine = (PINFCACHELINE)Context->Line;
|
||||
|
||||
if (FieldIndex > (ULONG)CacheLine->FieldCount)
|
||||
return INF_STATUS_INVALID_PARAMETER;
|
||||
|
||||
if (FieldIndex == 0)
|
||||
{
|
||||
*Data = CacheLine->Key;
|
||||
}
|
||||
else
|
||||
{
|
||||
CacheField = CacheLine->FirstField;
|
||||
for (Index = 1; Index < FieldIndex; Index++)
|
||||
CacheField = CacheField->Next;
|
||||
|
||||
*Data = CacheField->Data;
|
||||
}
|
||||
|
||||
return INF_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
VOID
|
||||
InfpFreeContext(PINFCONTEXT Context)
|
||||
{
|
||||
FREE(Context);
|
||||
}
|
||||
|
||||
/* EOF */
|
||||
Loading…
Add table
Add a link
Reference in a new issue