mirror of
https://github.com/mpv-player/mpv
synced 2024-11-11 00:15:33 +01:00
74baf8a5bd
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2652 b3059339-0415-0410-9bf9-f77b7e298cf2
593 lines
12 KiB
C
593 lines
12 KiB
C
/********************************************************
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*
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*
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* Stub functions for Wine module
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*
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*
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********************************************************/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include <unistd.h>
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#include <sys/mman.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <stdarg.h>
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#include <wine/windef.h>
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#include <wine/winbase.h>
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#include <wine/debugtools.h>
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#include <wine/heap.h>
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#include "ext.h"
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#if 0
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//REMOVE SIMPLIFY
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static void* mymalloc(unsigned int size)
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{
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printf("malloc %d\n", size);
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return malloc(size);
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}
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#undef malloc
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#define malloc mymalloc
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#endif
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int dbg_header_err( const char *dbg_channel, const char *func )
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{
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return 0;
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}
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int dbg_header_warn( const char *dbg_channel, const char *func )
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{
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return 0;
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}
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int dbg_header_fixme( const char *dbg_channel, const char *func )
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{
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return 0;
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}
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int dbg_header_trace( const char *dbg_channel, const char *func )
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{
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return 0;
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}
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int dbg_vprintf( const char *format, va_list args )
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{
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return 0;
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}
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int __vprintf( const char *format, ... )
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{
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#ifdef DETAILED_OUT
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va_list va;
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va_start(va, format);
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vprintf(format, va);
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va_end(va);
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#endif
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return 0;
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}
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HANDLE WINAPI GetProcessHeap(void)
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{
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return 1;
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}
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LPVOID WINAPI HeapAlloc(HANDLE heap, DWORD flags, DWORD size)
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{
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static int i = 5;
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void* m = (flags & 0x8) ? calloc(size, 1) : malloc(size);
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//printf("HeapAlloc %p %d (%d)\n", m, size, flags);
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//if (--i == 0)
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// abort();
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return m;
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}
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WIN_BOOL WINAPI HeapFree(HANDLE heap, DWORD flags, LPVOID mem)
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{
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if (mem) free(mem);
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//printf("HeapFree %p\n", mem);
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//if (!mem)
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// abort();
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return 1;
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}
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static int last_error;
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DWORD WINAPI GetLastError(void)
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{
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return last_error;
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}
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VOID WINAPI SetLastError(DWORD error)
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{
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last_error=error;
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}
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WIN_BOOL WINAPI ReadFile(HANDLE handle, LPVOID mem, DWORD size, LPDWORD result, LPOVERLAPPED flags)
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{
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*result=read(handle, mem, size);
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return *result;
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}
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INT WINAPI lstrcmpiA(LPCSTR c1, LPCSTR c2)
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{
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return strcasecmp(c1,c2);
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}
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LPSTR WINAPI lstrcpynA(LPSTR dest, LPCSTR src, INT num)
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{
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return strncpy(dest,src,num);
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}
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INT WINAPI lstrlenA(LPCSTR s)
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{
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return strlen(s);
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}
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INT WINAPI lstrlenW(LPCWSTR s)
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{
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int l;
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if(!s)
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return 0;
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l=0;
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while(s[l])
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l++;
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return l;
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}
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LPSTR WINAPI lstrcpynWtoA(LPSTR dest, LPCWSTR src, INT count)
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{
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LPSTR result = dest;
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int moved=0;
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if((dest==0) || (src==0))
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return 0;
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while(moved<count)
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{
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*dest=*src;
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moved++;
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if(*src==0)
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break;
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src++;
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dest++;
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}
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return result;
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}
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int wcsnicmp(const unsigned short* s1, const unsigned short* s2, int n)
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{
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/*
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if(s1==0)
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return;
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if(s2==0)
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return;
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*/
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while(n>0)
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{
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if(*s1<*s2)
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return -1;
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else
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if(*s1>*s2)
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return 1;
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else
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if(*s1==0)
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return 0;
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s1++;
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s2++;
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n--;
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}
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return 0;
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}
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WIN_BOOL WINAPI IsBadReadPtr(LPCVOID data, UINT size)
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{
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if(size==0)
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return 0;
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if(data==NULL)
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return 1;
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return 0;
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}
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LPSTR HEAP_strdupA(HANDLE heap, DWORD flags, LPCSTR string)
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{
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// return strdup(string);
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char* answ=malloc(strlen(string)+1);
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strcpy(answ, string);
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return answ;
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}
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LPWSTR HEAP_strdupAtoW(HANDLE heap, DWORD flags, LPCSTR string)
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{
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int size, i;
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short* answer;
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if(string==0)
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return 0;
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size=strlen(string);
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answer=malloc(2 * (size + 1));
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for(i=0; i<=size; i++)
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answer[i]=(short)string[i];
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return answer;
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}
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LPSTR HEAP_strdupWtoA(HANDLE heap, DWORD flags, LPCWSTR string)
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{
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int size, i;
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char* answer;
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if(string==0)
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return 0;
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size=0;
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while(string[size])
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size++;
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answer=malloc(size+2);
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for(i=0; i<=size; i++)
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answer[i]=(char)string[i];
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return answer;
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}
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/***********************************************************************
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* FILE_dommap
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*/
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//#define MAP_PRIVATE
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//#define MAP_SHARED
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#undef MAP_ANON
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LPVOID FILE_dommap( int unix_handle, LPVOID start,
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DWORD size_high, DWORD size_low,
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DWORD offset_high, DWORD offset_low,
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int prot, int flags )
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{
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int fd = -1;
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int pos;
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LPVOID ret;
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if (size_high || offset_high)
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printf("offsets larger than 4Gb not supported\n");
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if (unix_handle == -1)
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{
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#ifdef MAP_ANON
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// printf("Anonymous\n");
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flags |= MAP_ANON;
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#else
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static int fdzero = -1;
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if (fdzero == -1)
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{
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if ((fdzero = open( "/dev/zero", O_RDONLY )) == -1)
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{
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perror( "/dev/zero: open" );
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exit(1);
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}
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}
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fd = fdzero;
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#endif /* MAP_ANON */
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/* Linux EINVAL's on us if we don't pass MAP_PRIVATE to an anon mmap */
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#ifdef MAP_SHARED
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flags &= ~MAP_SHARED;
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#endif
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#ifdef MAP_PRIVATE
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flags |= MAP_PRIVATE;
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#endif
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}
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else fd = unix_handle;
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// printf("fd %x, start %x, size %x, pos %x, prot %x\n",fd,start,size_low, offset_low, prot);
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// if ((ret = mmap( start, size_low, prot,
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// flags, fd, offset_low )) != (LPVOID)-1)
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if ((ret = mmap( start, size_low, prot,
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MAP_PRIVATE | MAP_FIXED, fd, offset_low )) != (LPVOID)-1)
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{
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// printf("address %08x\n", *(int*)ret);
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// printf("%x\n", ret);
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return ret;
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}
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// printf("mmap %d\n", errno);
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/* mmap() failed; if this is because the file offset is not */
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/* page-aligned (EINVAL), or because the underlying filesystem */
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/* does not support mmap() (ENOEXEC), we do it by hand. */
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if (unix_handle == -1) return ret;
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if ((errno != ENOEXEC) && (errno != EINVAL)) return ret;
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if (prot & PROT_WRITE)
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{
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/* We cannot fake shared write mappings */
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#ifdef MAP_SHARED
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if (flags & MAP_SHARED) return ret;
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#endif
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#ifdef MAP_PRIVATE
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if (!(flags & MAP_PRIVATE)) return ret;
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#endif
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}
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/* printf( "FILE_mmap: mmap failed (%d), faking it\n", errno );*/
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/* Reserve the memory with an anonymous mmap */
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ret = FILE_dommap( -1, start, size_high, size_low, 0, 0,
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PROT_READ | PROT_WRITE, flags );
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if (ret == (LPVOID)-1)
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// {
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// perror(
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return ret;
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/* Now read in the file */
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if ((pos = lseek( fd, offset_low, SEEK_SET )) == -1)
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{
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FILE_munmap( ret, size_high, size_low );
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// printf("lseek\n");
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return (LPVOID)-1;
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}
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read( fd, ret, size_low );
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lseek( fd, pos, SEEK_SET ); /* Restore the file pointer */
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mprotect( ret, size_low, prot ); /* Set the right protection */
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// printf("address %08x\n", *(int*)ret);
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return ret;
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}
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/***********************************************************************
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* FILE_munmap
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*/
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int FILE_munmap( LPVOID start, DWORD size_high, DWORD size_low )
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{
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if (size_high)
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printf("offsets larger than 4Gb not supported\n");
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return munmap( start, size_low );
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}
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static int mapping_size=0;
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struct file_mapping_s;
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typedef struct file_mapping_s
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{
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int mapping_size;
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char* name;
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LPVOID handle;
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struct file_mapping_s* next;
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struct file_mapping_s* prev;
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}file_mapping;
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static file_mapping* fm=0;
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#define PAGE_NOACCESS 0x01
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#define PAGE_READONLY 0x02
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#define PAGE_READWRITE 0x04
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#define PAGE_WRITECOPY 0x08
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#define PAGE_EXECUTE 0x10
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#define PAGE_EXECUTE_READ 0x20
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#define PAGE_EXECUTE_READWRITE 0x40
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#define PAGE_EXECUTE_WRITECOPY 0x80
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#define PAGE_GUARD 0x100
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#define PAGE_NOCACHE 0x200
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HANDLE WINAPI CreateFileMappingA(HANDLE handle, LPSECURITY_ATTRIBUTES lpAttr,
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DWORD flProtect,
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DWORD dwMaxHigh, DWORD dwMaxLow,
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LPCSTR name)
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{
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int hFile = (int)handle;
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unsigned int len;
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LPVOID answer;
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int anon=0;
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int mmap_access=0;
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if(hFile<0)
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{
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anon=1;
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hFile=open("/dev/zero", O_RDWR);
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if(hFile<0)
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return 0;
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}
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if(!anon)
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{
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len=lseek(hFile, 0, SEEK_END);
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lseek(hFile, 0, SEEK_SET);
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}
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else len=dwMaxLow;
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if(flProtect & PAGE_READONLY)
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mmap_access |=PROT_READ;
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else
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mmap_access |=PROT_READ|PROT_WRITE;
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answer=mmap(NULL, len, mmap_access, MAP_PRIVATE, hFile, 0);
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if(anon)
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close(hFile);
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if(answer!=(LPVOID)-1)
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{
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if(fm==0)
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{
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fm=malloc(sizeof(file_mapping));
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fm->prev=NULL;
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}
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else
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{
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fm->next=malloc(sizeof(file_mapping));
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fm->next->prev=fm;
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fm=fm->next;
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}
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fm->next=NULL;
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fm->handle=answer;
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if(name)
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{
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fm->name=malloc(strlen(name)+1);
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strcpy(fm->name, name);
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}
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else
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fm->name=NULL;
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fm->mapping_size=len;
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if(anon)
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close(hFile);
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return (HANDLE)answer;
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}
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return (HANDLE)0;
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}
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WIN_BOOL WINAPI UnmapViewOfFile(LPVOID handle)
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{
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file_mapping* p;
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int result;
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if(fm==0)
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return 0;
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for(p=fm; p; p=p->next)
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{
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if(p->handle==handle)
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{
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result=munmap((void*)handle, p->mapping_size);
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if(p->next)p->next->prev=p->prev;
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if(p->prev)p->prev->next=p->next;
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if(p->name)
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free(p->name);
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if(p==fm)
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fm=p->prev;
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free(p);
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return result;
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}
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}
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return 0;
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}
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//static int va_size=0;
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struct virt_alloc_s;
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typedef struct virt_alloc_s
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{
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int mapping_size;
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char* address;
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struct virt_alloc_s* next;
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struct virt_alloc_s* prev;
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int state;
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}virt_alloc;
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static virt_alloc* vm=0;
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#define MEM_COMMIT 0x00001000
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#define MEM_RESERVE 0x00002000
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LPVOID WINAPI VirtualAlloc(LPVOID address, DWORD size, DWORD type, DWORD protection)
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{
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void* answer;
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int fd=open("/dev/zero", O_RDWR);
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size=(size+0xffff)&(~0xffff);
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// printf("VirtualAlloc(0x%08X, %d)\n", address
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if(address!=0)
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{
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//check whether we can allow to allocate this
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virt_alloc* str=vm;
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while(str)
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{
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if((unsigned)address>=(unsigned)str->address+str->mapping_size)
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{
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str=str->prev;
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continue;
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}
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if((unsigned)address+size<(unsigned)str->address)
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{
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str=str->prev;
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continue;
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}
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if(str->state==0)
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{
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#warning FIXME
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if(((unsigned)address+size<(unsigned)str->address+str->mapping_size) && (type & MEM_COMMIT))
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{
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close(fd);
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return address; //returning previously reserved memory
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}
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return NULL;
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}
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close(fd);
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return NULL;
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}
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answer=mmap(address, size, PROT_READ | PROT_WRITE | PROT_EXEC,
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MAP_FIXED | MAP_PRIVATE, fd, 0);
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}
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else
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answer=mmap(address, size, PROT_READ | PROT_WRITE | PROT_EXEC,
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MAP_PRIVATE, fd, 0);
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// answer=FILE_dommap(-1, address, 0, size, 0, 0,
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// PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE);
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close(fd);
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if(answer==(void*)-1)
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{
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printf("Error no %d\n", errno);
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printf("VirtualAlloc(0x%p, %ld) failed\n", address, size);
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return NULL;
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}
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else
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{
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virt_alloc *new_vm=malloc(sizeof(virt_alloc));
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new_vm->mapping_size=size;
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new_vm->address=answer;
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new_vm->prev=vm;
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if(type == MEM_RESERVE)
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new_vm->state=0;
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else
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new_vm->state=1;
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if(vm)
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vm->next=new_vm;
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vm=new_vm;
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vm->next=0;
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// if(va_size!=0)
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// printf("Multiple VirtualAlloc!\n");
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// printf("answer=0x%08x\n", answer);
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return answer;
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}
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}
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WIN_BOOL WINAPI VirtualFree(LPVOID address, DWORD t1, DWORD t2)//not sure
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{
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virt_alloc* str=vm;
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int answer;
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while(str)
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{
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if(address!=str->address)
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{
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str=str->prev;
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continue;
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}
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answer=munmap(str->address, str->mapping_size);
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if(str->next)str->next->prev=str->prev;
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if(str->prev)str->prev->next=str->next;
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if(vm==str)vm=0;
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free(str);
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return 0;
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}
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return -1;
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}
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INT WINAPI WideCharToMultiByte(UINT codepage, DWORD flags, LPCWSTR src,
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INT srclen,LPSTR dest, INT destlen, LPCSTR defch, WIN_BOOL* used_defch)
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{
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int i;
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if(src==0)
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return 0;
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if ((srclen==-1)&&(dest==0)) return 0;
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if(srclen==-1){srclen=0; while(src[srclen++]);}
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// for(i=0; i<srclen; i++)
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// printf("%c", src[i]);
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// printf("\n");
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if(dest==0)
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{
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for(i=0; i<srclen; i++)
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{
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src++;
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if(*src==0)
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return i+1;
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}
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return srclen+1;
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|
}
|
|
if(used_defch)
|
|
*used_defch=0;
|
|
for(i=0; i<min(srclen, destlen); i++)
|
|
{
|
|
*dest=(char)*src;
|
|
dest++;
|
|
src++;
|
|
if(*src==0)
|
|
return i+1;
|
|
}
|
|
return min(srclen, destlen);
|
|
}
|
|
INT WINAPI MultiByteToWideChar(UINT codepage,DWORD flags, LPCSTR src, INT srclen,
|
|
LPWSTR dest, INT destlen)
|
|
{
|
|
return 0;
|
|
}
|
|
HANDLE WINAPI OpenFileMappingA(DWORD access, WIN_BOOL prot, LPCSTR name)
|
|
{
|
|
file_mapping* p;
|
|
if(fm==0)
|
|
return (HANDLE)0;
|
|
if(name==0)
|
|
return (HANDLE)0;
|
|
for(p=fm; p; p=p->prev)
|
|
{
|
|
if(p->name==0)
|
|
continue;
|
|
if(strcmp(p->name, name)==0)
|
|
return (HANDLE)p->handle;
|
|
}
|
|
return 0;
|
|
}
|