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![Alexandre Julliard](/assets/img/avatar_default.png)
Implementation copied from msvcrt. Signed-off-by: Alexandre Julliard <julliard@winehq.org>
496 lines
16 KiB
C
496 lines
16 KiB
C
/*
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* Helper functions for ntdll
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*
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* Copyright 2000 Juergen Schmied
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* Copyright 2010 Marcus Meissner
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <time.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "wine/debug.h"
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#include "ntdll_misc.h"
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#include "wmistr.h"
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#include "evntrace.h"
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#include "evntprov.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
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LPCSTR debugstr_us( const UNICODE_STRING *us )
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{
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if (!us) return "<null>";
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return debugstr_wn(us->Buffer, us->Length / sizeof(WCHAR));
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}
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static int __cdecl compare_wrapper(void *ctx, const void *e1, const void *e2)
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{
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int (__cdecl *compare)( const void *, const void * ) = ctx;
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return compare( e1, e2 );
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}
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static inline void swap(char *l, char *r, size_t size)
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{
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char tmp;
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while(size--) {
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tmp = *l;
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*l++ = *r;
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*r++ = tmp;
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}
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}
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static void small_sort(void *base, size_t nmemb, size_t size,
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int (CDECL *compar)(void *, const void *, const void *), void *context)
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{
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size_t e, i;
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char *max, *p;
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for(e=nmemb; e>1; e--) {
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max = base;
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for(i=1; i<e; i++) {
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p = (char*)base + i*size;
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if(compar(context, p, max) > 0)
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max = p;
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}
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if(p != max)
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swap(p, max, size);
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}
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}
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static void quick_sort(void *base, size_t nmemb, size_t size,
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int (CDECL *compar)(void *, const void *, const void *), void *context)
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{
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size_t stack_lo[8*sizeof(size_t)], stack_hi[8*sizeof(size_t)];
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size_t beg, end, lo, hi, med;
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int stack_pos;
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stack_pos = 0;
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stack_lo[stack_pos] = 0;
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stack_hi[stack_pos] = nmemb-1;
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#define X(i) ((char*)base+size*(i))
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while(stack_pos >= 0) {
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beg = stack_lo[stack_pos];
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end = stack_hi[stack_pos--];
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if(end-beg < 8) {
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small_sort(X(beg), end-beg+1, size, compar, context);
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continue;
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}
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lo = beg;
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hi = end;
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med = lo + (hi-lo+1)/2;
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if(compar(context, X(lo), X(med)) > 0)
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swap(X(lo), X(med), size);
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if(compar(context, X(lo), X(hi)) > 0)
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swap(X(lo), X(hi), size);
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if(compar(context, X(med), X(hi)) > 0)
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swap(X(med), X(hi), size);
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lo++;
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hi--;
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while(1) {
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while(lo <= hi) {
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if(lo!=med && compar(context, X(lo), X(med))>0)
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break;
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lo++;
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}
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while(med != hi) {
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if(compar(context, X(hi), X(med)) <= 0)
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break;
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hi--;
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}
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if(hi < lo)
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break;
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swap(X(lo), X(hi), size);
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if(hi == med)
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med = lo;
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lo++;
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hi--;
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}
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while(hi > beg) {
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if(hi!=med && compar(context, X(hi), X(med))!=0)
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break;
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hi--;
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}
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if(hi-beg >= end-lo) {
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stack_lo[++stack_pos] = beg;
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stack_hi[stack_pos] = hi;
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stack_lo[++stack_pos] = lo;
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stack_hi[stack_pos] = end;
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}else {
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stack_lo[++stack_pos] = lo;
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stack_hi[stack_pos] = end;
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stack_lo[++stack_pos] = beg;
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stack_hi[stack_pos] = hi;
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}
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}
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#undef X
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}
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/*********************************************************************
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* qsort_s (NTDLL.@)
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*/
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void __cdecl qsort_s( void *base, size_t nmemb, size_t size,
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int (__cdecl *compar)(void *, const void *, const void *), void *context )
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{
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const size_t total_size = nmemb * size;
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if (!base && nmemb) return;
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if (!size) return;
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if (!compar) return;
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if (total_size / size != nmemb) return;
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if (nmemb < 2) return;
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quick_sort( base, nmemb, size, compar, context );
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}
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/*********************************************************************
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* qsort (NTDLL.@)
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*/
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void __cdecl qsort( void *base, size_t nmemb, size_t size,
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int (__cdecl *compar)(const void *, const void *) )
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{
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qsort_s( base, nmemb, size, compare_wrapper, compar );
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}
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/*********************************************************************
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* bsearch_s (NTDLL.@)
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*/
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void * __cdecl bsearch_s( const void *key, const void *base, size_t nmemb, size_t size,
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int (__cdecl *compare)(void *, const void *, const void *), void *ctx )
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{
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ssize_t min = 0;
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ssize_t max = nmemb - 1;
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if (!size) return NULL;
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if (!compare) return NULL;
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while (min <= max)
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{
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ssize_t cursor = min + (max - min) / 2;
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int ret = compare(ctx, key,(const char *)base+(cursor*size));
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if (!ret)
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return (char*)base+(cursor*size);
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if (ret < 0)
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max = cursor - 1;
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else
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min = cursor + 1;
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}
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return NULL;
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}
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/*********************************************************************
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* bsearch (NTDLL.@)
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*/
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void * __cdecl bsearch( const void *key, const void *base, size_t nmemb,
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size_t size, int (__cdecl *compar)(const void *, const void *) )
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{
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return bsearch_s( key, base, nmemb, size, compare_wrapper, compar );
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}
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/*********************************************************************
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* _lfind (NTDLL.@)
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*/
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void * __cdecl _lfind( const void *key, const void *base, unsigned int *nmemb,
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size_t size, int(__cdecl *compar)(const void *, const void *) )
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{
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size_t i, n = *nmemb;
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for (i=0;i<n;i++)
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if (!compar(key,(char*)base+(size*i)))
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return (char*)base+(size*i);
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return NULL;
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}
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/******************************************************************************
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* WinSqmEndSession (NTDLL.@)
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*/
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NTSTATUS WINAPI WinSqmEndSession(HANDLE session)
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{
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FIXME("(%p): stub\n", session);
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return STATUS_NOT_IMPLEMENTED;
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}
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/*********************************************************************
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* WinSqmIncrementDWORD (NTDLL.@)
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*/
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void WINAPI WinSqmIncrementDWORD(DWORD unk1, DWORD unk2, DWORD unk3)
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{
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FIXME("(%d, %d, %d): stub\n", unk1, unk2, unk3);
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}
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/*********************************************************************
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* WinSqmIsOptedIn (NTDLL.@)
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*/
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BOOL WINAPI WinSqmIsOptedIn(void)
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{
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FIXME("(): stub\n");
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return FALSE;
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}
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/******************************************************************************
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* WinSqmStartSession (NTDLL.@)
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*/
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HANDLE WINAPI WinSqmStartSession(GUID *sessionguid, DWORD sessionid, DWORD unknown1)
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{
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FIXME("(%p, 0x%x, 0x%x): stub\n", sessionguid, sessionid, unknown1);
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return INVALID_HANDLE_VALUE;
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}
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/***********************************************************************
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* WinSqmSetDWORD (NTDLL.@)
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*/
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void WINAPI WinSqmSetDWORD(HANDLE session, DWORD datapoint_id, DWORD datapoint_value)
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{
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FIXME("(%p, %d, %d): stub\n", session, datapoint_id, datapoint_value);
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}
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/******************************************************************************
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* EtwEventActivityIdControl (NTDLL.@)
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*/
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ULONG WINAPI EtwEventActivityIdControl(ULONG code, GUID *guid)
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{
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static int once;
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if (!once++) FIXME("0x%x, %p: stub\n", code, guid);
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwEventProviderEnabled (NTDLL.@)
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*/
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BOOLEAN WINAPI EtwEventProviderEnabled( REGHANDLE handle, UCHAR level, ULONGLONG keyword )
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{
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WARN("%s, %u, %s: stub\n", wine_dbgstr_longlong(handle), level, wine_dbgstr_longlong(keyword));
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return FALSE;
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}
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/******************************************************************************
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* EtwEventRegister (NTDLL.@)
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*/
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ULONG WINAPI EtwEventRegister( LPCGUID provider, PENABLECALLBACK callback, PVOID context,
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PREGHANDLE handle )
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{
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WARN("(%s, %p, %p, %p) stub.\n", debugstr_guid(provider), callback, context, handle);
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if (!handle) return ERROR_INVALID_PARAMETER;
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*handle = 0xdeadbeef;
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwEventUnregister (NTDLL.@)
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*/
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ULONG WINAPI EtwEventUnregister( REGHANDLE handle )
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{
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WARN("(%s) stub.\n", wine_dbgstr_longlong(handle));
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return ERROR_SUCCESS;
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}
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/*********************************************************************
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* EtwEventSetInformation (NTDLL.@)
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*/
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ULONG WINAPI EtwEventSetInformation( REGHANDLE handle, EVENT_INFO_CLASS class, void *info,
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ULONG length )
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{
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FIXME("(%s, %u, %p, %u) stub\n", wine_dbgstr_longlong(handle), class, info, length);
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwEventWriteString (NTDLL.@)
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*/
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ULONG WINAPI EtwEventWriteString( REGHANDLE handle, UCHAR level, ULONGLONG keyword, PCWSTR string )
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{
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FIXME("%s, %u, %s, %s: stub\n", wine_dbgstr_longlong(handle), level,
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wine_dbgstr_longlong(keyword), debugstr_w(string));
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwEventWriteTransfer (NTDLL.@)
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*/
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ULONG WINAPI EtwEventWriteTransfer( REGHANDLE handle, PCEVENT_DESCRIPTOR descriptor, LPCGUID activity,
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LPCGUID related, ULONG count, PEVENT_DATA_DESCRIPTOR data )
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{
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FIXME("%s, %p, %s, %s, %u, %p: stub\n", wine_dbgstr_longlong(handle), descriptor,
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debugstr_guid(activity), debugstr_guid(related), count, data);
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwRegisterTraceGuidsW (NTDLL.@)
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*
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* Register an event trace provider and the event trace classes that it uses
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* to generate events.
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*
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* PARAMS
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* RequestAddress [I] ControlCallback function
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* RequestContext [I] Optional provider-defined context
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* ControlGuid [I] GUID of the registering provider
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* GuidCount [I] Number of elements in the TraceGuidReg array
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* TraceGuidReg [I/O] Array of TRACE_GUID_REGISTRATION structures
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* MofImagePath [I] not supported, set to NULL
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* MofResourceName [I] not supported, set to NULL
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* RegistrationHandle [O] Provider's registration handle
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*
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* RETURNS
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* Success: ERROR_SUCCESS
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* Failure: System error code
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*/
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ULONG WINAPI EtwRegisterTraceGuidsW( WMIDPREQUEST RequestAddress,
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void *RequestContext, const GUID *ControlGuid, ULONG GuidCount,
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TRACE_GUID_REGISTRATION *TraceGuidReg, const WCHAR *MofImagePath,
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const WCHAR *MofResourceName, TRACEHANDLE *RegistrationHandle )
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{
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WARN("(%p, %p, %s, %u, %p, %s, %s, %p): stub\n", RequestAddress, RequestContext,
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debugstr_guid(ControlGuid), GuidCount, TraceGuidReg, debugstr_w(MofImagePath),
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debugstr_w(MofResourceName), RegistrationHandle);
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if (TraceGuidReg)
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{
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ULONG i;
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for (i = 0; i < GuidCount; i++)
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{
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FIXME(" register trace class %s\n", debugstr_guid(TraceGuidReg[i].Guid));
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TraceGuidReg[i].RegHandle = (HANDLE)0xdeadbeef;
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}
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}
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*RegistrationHandle = (TRACEHANDLE)0xdeadbeef;
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwRegisterTraceGuidsA (NTDLL.@)
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*/
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ULONG WINAPI EtwRegisterTraceGuidsA( WMIDPREQUEST RequestAddress,
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void *RequestContext, const GUID *ControlGuid, ULONG GuidCount,
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TRACE_GUID_REGISTRATION *TraceGuidReg, const char *MofImagePath,
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const char *MofResourceName, TRACEHANDLE *RegistrationHandle )
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{
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WARN("(%p, %p, %s, %u, %p, %s, %s, %p): stub\n", RequestAddress, RequestContext,
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debugstr_guid(ControlGuid), GuidCount, TraceGuidReg, debugstr_a(MofImagePath),
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debugstr_a(MofResourceName), RegistrationHandle);
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwUnregisterTraceGuids (NTDLL.@)
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*/
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ULONG WINAPI EtwUnregisterTraceGuids( TRACEHANDLE RegistrationHandle )
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{
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if (!RegistrationHandle)
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return ERROR_INVALID_PARAMETER;
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WARN("%s: stub\n", wine_dbgstr_longlong(RegistrationHandle));
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwEventEnabled (NTDLL.@)
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*/
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BOOLEAN WINAPI EtwEventEnabled( REGHANDLE handle, const EVENT_DESCRIPTOR *descriptor )
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{
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WARN("(%s, %p): stub\n", wine_dbgstr_longlong(handle), descriptor);
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return FALSE;
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}
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/******************************************************************************
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* EtwEventWrite (NTDLL.@)
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*/
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ULONG WINAPI EtwEventWrite( REGHANDLE handle, const EVENT_DESCRIPTOR *descriptor, ULONG count,
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EVENT_DATA_DESCRIPTOR *data )
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{
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FIXME("(%s, %p, %u, %p): stub\n", wine_dbgstr_longlong(handle), descriptor, count, data);
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwGetTraceEnableFlags (NTDLL.@)
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*/
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ULONG WINAPI EtwGetTraceEnableFlags( TRACEHANDLE handle )
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{
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FIXME("(%s) stub\n", wine_dbgstr_longlong(handle));
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return 0;
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}
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/******************************************************************************
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* EtwGetTraceEnableLevel (NTDLL.@)
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*/
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UCHAR WINAPI EtwGetTraceEnableLevel( TRACEHANDLE handle )
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{
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FIXME("(%s) stub\n", wine_dbgstr_longlong(handle));
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return TRACE_LEVEL_VERBOSE;
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}
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/******************************************************************************
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* EtwGetTraceLoggerHandle (NTDLL.@)
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*/
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TRACEHANDLE WINAPI EtwGetTraceLoggerHandle( PVOID buf )
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{
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FIXME("(%p) stub\n", buf);
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return INVALID_PROCESSTRACE_HANDLE;
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}
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/******************************************************************************
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* EtwLogTraceEvent (NTDLL.@)
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*/
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ULONG WINAPI EtwLogTraceEvent( TRACEHANDLE SessionHandle, PEVENT_TRACE_HEADER EventTrace )
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{
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FIXME("%s %p\n", wine_dbgstr_longlong(SessionHandle), EventTrace);
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return ERROR_CALL_NOT_IMPLEMENTED;
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}
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/******************************************************************************
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* EtwTraceMessageVa (NTDLL.@)
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*/
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ULONG WINAPI EtwTraceMessageVa( TRACEHANDLE handle, ULONG flags, LPGUID guid, USHORT number,
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va_list args )
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{
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FIXME("(%s %x %s %d) : stub\n", wine_dbgstr_longlong(handle), flags, debugstr_guid(guid), number);
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* EtwTraceMessage (NTDLL.@)
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*/
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ULONG WINAPIV EtwTraceMessage( TRACEHANDLE handle, ULONG flags, LPGUID guid, /*USHORT*/ ULONG number, ... )
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{
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va_list valist;
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ULONG ret;
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va_start( valist, number );
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ret = EtwTraceMessageVa( handle, flags, guid, number, valist );
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va_end( valist );
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return ret;
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}
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