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Duplicate resource directory searching routines instead of calling 

pe_resource.c internal functions.
This commit is contained in:
Alexandre Julliard 2000-10-23 01:35:46 +00:00
parent 053db33ac1
commit c1c41cd64e
1 changed files with 47 additions and 6 deletions
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53
dlls/user/exticon.c
View File

@ -20,7 +20,7 @@
#include "heap.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(icon)
DEFAULT_DEBUG_CHANNEL(icon);
#include "pshpack1.h"
@ -59,6 +59,47 @@ static void dumpIcoDir ( LPicoICONDIR entry )
TRACE("type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount);
}
#endif
/**********************************************************************
* find_entry_by_id
*
* Find an entry by id in a resource directory
* Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
*/
static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir,
WORD id, const void *root )
{
const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
int min, max, pos;
entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
min = dir->NumberOfNamedEntries;
max = min + dir->NumberOfIdEntries - 1;
while (min <= max)
{
pos = (min + max) / 2;
if (entry[pos].u1.Id == id)
return (IMAGE_RESOURCE_DIRECTORY *)((char *)root + entry[pos].u2.s.OffsetToDirectory);
if (entry[pos].u1.Id > id) max = pos - 1;
else min = pos + 1;
}
return NULL;
}
/**********************************************************************
* find_entry_default
*
* Find a default entry in a resource directory
* Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
*/
static const IMAGE_RESOURCE_DIRECTORY *find_entry_default( const IMAGE_RESOURCE_DIRECTORY *dir,
const void *root )
{
const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
return (IMAGE_RESOURCE_DIRECTORY *)((char *)root + entry->u2.s.OffsetToDirectory);
}
/*************************************************************************
* USER32_GetResourceTable
*/
@ -348,7 +389,7 @@ static HRESULT ICO_ExtractIconExW(
}
/* search for the group icon directory */
if (!(icongroupresdir = GetResDirEntryW(rootresdir, RT_GROUP_ICONW, rootresdir, FALSE)))
if (!(icongroupresdir = find_entry_by_id(rootresdir, LOWORD(RT_GROUP_ICONW), rootresdir)))
{
WARN("No Icongroupresourcedirectory!\n");
goto end; /* failure */
@ -410,7 +451,7 @@ static HRESULT ICO_ExtractIconExW(
resdir = (PIMAGE_RESOURCE_DIRECTORY)((DWORD)rootresdir+(xresent->u2.s.OffsetToDirectory));
/* default language (0) */
resdir = GetResDirEntryW(resdir,(LPWSTR)0,rootresdir,TRUE);
resdir = find_entry_default(resdir,rootresdir);
igdataent = (PIMAGE_RESOURCE_DATA_ENTRY)resdir;
/* lookup address in mapped image for virtual address */
@ -438,7 +479,7 @@ static HRESULT ICO_ExtractIconExW(
RetPtr[i] = (HICON)LookupIconIdFromDirectoryEx(igdata, TRUE, cxDesired, cyDesired, LR_DEFAULTCOLOR);
}
if (!(iconresdir=GetResDirEntryW(rootresdir,RT_ICONW,rootresdir,FALSE)))
if (!(iconresdir=find_entry_by_id(rootresdir,LOWORD(RT_ICONW),rootresdir)))
{
WARN("No Iconresourcedirectory!\n");
goto end; /* failure */
@ -447,8 +488,8 @@ static HRESULT ICO_ExtractIconExW(
for (i=0; i<nIcons; i++)
{
const IMAGE_RESOURCE_DIRECTORY *xresdir;
xresdir = GetResDirEntryW(iconresdir,(LPWSTR)(DWORD)RetPtr[i],rootresdir,FALSE);
xresdir = GetResDirEntryW(xresdir,(LPWSTR)0,rootresdir,TRUE);
xresdir = find_entry_by_id(iconresdir,RetPtr[i],rootresdir);
xresdir = find_entry_default(xresdir,rootresdir);
idataent = (PIMAGE_RESOURCE_DATA_ENTRY)xresdir;
idata = NULL;