summaryrefslogtreecommitdiff
path: root/src/libw32dll/ext.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libw32dll/ext.c')
-rw-r--r--src/libw32dll/ext.c565
1 files changed, 565 insertions, 0 deletions
diff --git a/src/libw32dll/ext.c b/src/libw32dll/ext.c
new file mode 100644
index 000000000..f7817dd44
--- /dev/null
+++ b/src/libw32dll/ext.c
@@ -0,0 +1,565 @@
+/********************************************************
+ *
+ *
+ * Stub functions for Wine module
+ *
+ *
+ ********************************************************/
+#include "config.h"
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#else
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdarg.h>
+#include "wine/windef.h"
+//#include "wine/winbase.h"
+int dbg_header_err( const char *dbg_channel, const char *func )
+{
+ return 0;
+}
+int dbg_header_warn( const char *dbg_channel, const char *func )
+{
+ return 0;
+}
+int dbg_header_fixme( const char *dbg_channel, const char *func )
+{
+ return 0;
+}
+int dbg_header_trace( const char *dbg_channel, const char *func )
+{
+ return 0;
+}
+int dbg_vprintf( const char *format, ... )
+{
+ return 0;
+}
+int __vprintf( const char *format, ... )
+{
+#ifdef DETAILED_OUT
+ va_list va;
+ va_start(va, format);
+ vprintf(format, va);
+ va_end(va);
+ fflush(stdout);
+#endif
+ return 0;
+}
+
+int GetProcessHeap()
+{
+ return 1;
+}
+
+void* HeapAlloc(int heap, int flags, int size)
+{
+ if(flags & 0x8)
+ return calloc(size, 1);
+ else
+ return malloc(size);
+}
+
+int HeapFree(int heap, int flags, void* mem)
+{
+ free(mem);
+ return 1;
+}
+
+static int last_error;
+
+int GetLastError()
+{
+ return last_error;
+}
+
+int SetLastError(int error)
+{
+ return last_error=error;
+}
+
+int ReadFile(int handle, void* mem, unsigned long size, long* result, long flags)
+{
+ *result=read(handle, mem, size);
+ return *result;
+}
+int lstrcmpiA(const char* c1, const char* c2)
+{
+ return strcasecmp(c1,c2);
+}
+int lstrcpynA(char* dest, const char* src, int num)
+{
+ return strncmp(dest,src,num);
+}
+int lstrlenA(const char* s)
+{
+ return strlen(s);
+}
+int lstrlenW(const short* s)
+{
+ int l;
+ if(!s)
+ return 0;
+ l=0;
+ while(s[l])
+ l++;
+ return l;
+}
+int lstrcpynWtoA(char* dest, const char* src, int count)
+{
+ int moved=0;
+ if((dest==0) || (src==0))
+ return 0;
+ while(moved<count)
+ {
+ *dest=*src;
+ moved++;
+ if(*src==0)
+ return moved;
+ src++;
+ dest++;
+ }
+}
+int wcsnicmp(const unsigned short* s1, const unsigned short* s2, int n)
+{
+ if(s1==0)
+ return;
+ if(s2==0)
+ return;
+ while(n>0)
+ {
+ if(*s1<*s2)
+ return -1;
+ else
+ if(*s1>*s2)
+ return 1;
+ else
+ if(*s1==0)
+ return 0;
+ s1++;
+ s2++;
+ n--;
+ }
+ return 0;
+}
+
+
+int IsBadReadPtr(void* data, int size)
+{
+ if(size==0)
+ return 0;
+ if(data==NULL)
+ return 1;
+ return 0;
+}
+char* HEAP_strdupA(const char* string)
+{
+// return strdup(string);
+ char* answ=malloc(strlen(string)+1);
+ strcpy(answ, string);
+ return answ;
+}
+short* HEAP_strdupAtoW(void* heap, void* hz, const char* string)
+{
+ int size, i;
+ short* answer;
+ if(string==0)
+ return 0;
+ size=strlen(string);
+ answer=malloc(size+size+2);
+ for(i=0; i<=size; i++)
+ answer[i]=(short)string[i];
+ return answer;
+}
+char* HEAP_strdupWtoA(void* heap, void* hz, const short* string)
+{
+ int size, i;
+ char* answer;
+ if(string==0)
+ return 0;
+ size=0;
+ while(string[size])
+ size++;
+ answer=malloc(size+2);
+ for(i=0; i<=size; i++)
+ answer[i]=(char)string[i];
+ return answer;
+}
+
+/***********************************************************************
+ * FILE_dommap
+ */
+
+//#define MAP_PRIVATE
+//#define MAP_SHARED
+#undef MAP_ANON
+LPVOID FILE_dommap( int unix_handle, LPVOID start,
+ DWORD size_high, DWORD size_low,
+ DWORD offset_high, DWORD offset_low,
+ int prot, int flags )
+{
+ int fd = -1;
+ int pos;
+ LPVOID ret;
+
+ if (size_high || offset_high)
+ printf("offsets larger than 4Gb not supported\n");
+
+ if (unix_handle == -1)
+ {
+#ifdef MAP_ANON
+// printf("Anonymous\n");
+ flags |= MAP_ANON;
+#else
+ static int fdzero = -1;
+
+ if (fdzero == -1)
+ {
+ if ((fdzero = open( "/dev/zero", O_RDONLY )) == -1)
+ {
+ perror( "/dev/zero: open" );
+ exit(1);
+ }
+ }
+ fd = fdzero;
+#endif /* MAP_ANON */
+ /* Linux EINVAL's on us if we don't pass MAP_PRIVATE to an anon mmap */
+#ifdef MAP_SHARED
+ flags &= ~MAP_SHARED;
+#endif
+#ifdef MAP_PRIVATE
+ flags |= MAP_PRIVATE;
+#endif
+ }
+ else fd = unix_handle;
+// printf("fd %x, start %x, size %x, pos %x, prot %x\n",fd,start,size_low, offset_low, prot);
+// if ((ret = mmap( start, size_low, prot,
+// flags, fd, offset_low )) != (LPVOID)-1)
+ if ((ret = mmap( start, size_low, prot,
+ MAP_PRIVATE | MAP_FIXED, fd, offset_low )) != (LPVOID)-1)
+ {
+// printf("address %08x\n", *(int*)ret);
+// printf("%x\n", ret);
+ return ret;
+ }
+
+// printf("mmap %d\n", errno);
+
+ /* mmap() failed; if this is because the file offset is not */
+ /* page-aligned (EINVAL), or because the underlying filesystem */
+ /* does not support mmap() (ENOEXEC), we do it by hand. */
+
+ if (unix_handle == -1) return ret;
+ if ((errno != ENOEXEC) && (errno != EINVAL)) return ret;
+ if (prot & PROT_WRITE)
+ {
+ /* We cannot fake shared write mappings */
+#ifdef MAP_SHARED
+ if (flags & MAP_SHARED) return ret;
+#endif
+#ifdef MAP_PRIVATE
+ if (!(flags & MAP_PRIVATE)) return ret;
+#endif
+ }
+/* printf( "FILE_mmap: mmap failed (%d), faking it\n", errno );*/
+ /* Reserve the memory with an anonymous mmap */
+ ret = FILE_dommap( -1, start, size_high, size_low, 0, 0,
+ PROT_READ | PROT_WRITE, flags );
+ if (ret == (LPVOID)-1)
+// {
+// perror(
+ return ret;
+ /* Now read in the file */
+ if ((pos = lseek( fd, offset_low, SEEK_SET )) == -1)
+ {
+ FILE_munmap( ret, size_high, size_low );
+// printf("lseek\n");
+ return (LPVOID)-1;
+ }
+ read( fd, ret, size_low );
+ lseek( fd, pos, SEEK_SET ); /* Restore the file pointer */
+ mprotect( ret, size_low, prot ); /* Set the right protection */
+// printf("address %08x\n", *(int*)ret);
+ return ret;
+}
+
+
+/***********************************************************************
+ * FILE_munmap
+ */
+int FILE_munmap( LPVOID start, DWORD size_high, DWORD size_low )
+{
+ if (size_high)
+ printf("offsets larger than 4Gb not supported\n");
+ return munmap( start, size_low );
+}
+static int mapping_size=0;
+
+struct file_mapping_s;
+typedef struct file_mapping_s
+{
+ int mapping_size;
+ char* name;
+ HANDLE handle;
+ struct file_mapping_s* next;
+ struct file_mapping_s* prev;
+}file_mapping;
+static file_mapping* fm=0;
+
+
+
+#define PAGE_NOACCESS 0x01
+#define PAGE_READONLY 0x02
+#define PAGE_READWRITE 0x04
+#define PAGE_WRITECOPY 0x08
+#define PAGE_EXECUTE 0x10
+#define PAGE_EXECUTE_READ 0x20
+#define PAGE_EXECUTE_READWRITE 0x40
+#define PAGE_EXECUTE_WRITECOPY 0x80
+#define PAGE_GUARD 0x100
+#define PAGE_NOCACHE 0x200
+
+HANDLE CreateFileMappingA(int hFile, void* lpAttr,
+DWORD flProtect, DWORD dwMaxHigh, DWORD dwMaxLow, const char* name)
+{
+ unsigned int len;
+ HANDLE answer;
+ int anon=0;
+ int mmap_access=0;
+ if(hFile<0)
+ {
+ anon=1;
+ hFile=open("/dev/zero", O_RDWR);
+ if(hFile<0)
+ return 0;
+ }
+ if(!anon)
+ {
+ len=lseek(hFile, 0, SEEK_END);
+ lseek(hFile, 0, SEEK_SET);
+ }
+ else len=dwMaxLow;
+
+ if(flProtect & PAGE_READONLY)
+ mmap_access |=PROT_READ;
+ else
+ mmap_access |=PROT_READ|PROT_WRITE;
+
+ answer=(HANDLE)mmap(NULL, len, mmap_access, MAP_PRIVATE, hFile, 0);
+ if(anon)
+ close(hFile);
+ if(answer!=(HANDLE)-1)
+ {
+ if(fm==0)
+ {
+ fm=malloc(sizeof(file_mapping));
+ fm->prev=NULL;
+ }
+ else
+ {
+ fm->next=malloc(sizeof(file_mapping));
+ fm->next->prev=fm;
+ fm=fm->next;
+ }
+ fm->next=NULL;
+ fm->handle=answer;
+ if(name)
+ {
+ fm->name=malloc(strlen(name)+1);
+ strcpy(fm->name, name);
+ }
+ else
+ fm->name=NULL;
+ fm->mapping_size=len;
+
+ if(anon)
+ close(hFile);
+ return answer;
+ }
+ return (HANDLE)0;
+}
+int UnmapViewOfFile(HANDLE handle)
+{
+ file_mapping* p;
+ int result;
+ if(fm==0)
+ return (HANDLE)0;
+ for(p=fm; p; p=p->next)
+ {
+ if(p->handle==handle)
+ {
+ result=munmap((void*)handle, p->mapping_size);
+ if(p->next)p->next->prev=p->prev;
+ if(p->prev)p->prev->next=p->next;
+ if(p->name)
+ free(p->name);
+ if(p==fm)
+ fm=p->prev;
+ free(p);
+ return result;
+ }
+ }
+ return 0;
+}
+//static int va_size=0;
+struct virt_alloc_s;
+typedef struct virt_alloc_s
+{
+ int mapping_size;
+ char* address;
+ struct virt_alloc_s* next;
+ struct virt_alloc_s* prev;
+ int state;
+}virt_alloc;
+static virt_alloc* vm=0;
+#define MEM_COMMIT 0x00001000
+#define MEM_RESERVE 0x00002000
+
+void* VirtualAlloc(void* address, DWORD size, DWORD type, DWORD protection)
+{
+ void* answer;
+ int fd=open("/dev/zero", O_RDWR);
+ size=(size+0xffff)&(~0xffff);
+// printf("VirtualAlloc(0x%08X, %d)\n", address
+ if(address!=0)
+ {
+ //check whether we can allow to allocate this
+ virt_alloc* str=vm;
+ while(str)
+ {
+ if((unsigned)address>=(unsigned)str->address+str->mapping_size)
+ {
+ str=str->prev;
+ continue;
+ }
+ if((unsigned)address+size<(unsigned)str->address)
+ {
+ str=str->prev;
+ continue;
+ }
+ if(str->state==0)
+ {
+#warning FIXME
+ if(((unsigned)address+size<(unsigned)str->address+str->mapping_size) && (type & MEM_COMMIT))
+ {
+ close(fd);
+ return address; //returning previously reserved memory
+ }
+ return NULL;
+ }
+ close(fd);
+ return NULL;
+ }
+ answer=mmap(address, size, PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_FIXED | MAP_PRIVATE, fd, 0);
+ }
+ else
+ answer=mmap(address, size, PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_PRIVATE, fd, 0);
+// answer=FILE_dommap(-1, address, 0, size, 0, 0,
+// PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE);
+ close(fd);
+ if(answer==(void*)-1)
+ {
+ printf("Error no %d\n", errno);
+ printf("VirtualAlloc(0x%08X, %d) failed\n", address, size);
+ return NULL;
+ }
+ else
+ {
+ virt_alloc *new_vm=malloc(sizeof(virt_alloc));
+ new_vm->mapping_size=size;
+ new_vm->address=answer;
+ new_vm->prev=vm;
+ if(type == MEM_RESERVE)
+ new_vm->state=0;
+ else
+ new_vm->state=1;
+ if(vm)
+ vm->next=new_vm;
+ vm=new_vm;
+ vm->next=0;
+// if(va_size!=0)
+// printf("Multiple VirtualAlloc!\n");
+// printf("answer=0x%08x\n", answer);
+ return answer;
+ }
+}
+int VirtualFree(void* address, int t1, int t2)//not sure
+{
+ virt_alloc* str=vm;
+ int answer;
+ while(str)
+ {
+ if(address!=str->address)
+ {
+ str=str->prev;
+ continue;
+ }
+ answer=munmap(str->address, str->mapping_size);
+ if(str->next)str->next->prev=str->prev;
+ if(str->prev)str->prev->next=str->next;
+ if(vm==str)vm=0;
+ free(str);
+ return 0;
+ }
+ return -1;
+}
+
+int WideCharToMultiByte(unsigned int codepage, long flags, const short* src,
+ int srclen,char* dest, int destlen, const char* defch, int* used_defch)
+{
+ int i;
+ if(src==0)
+ return 0;
+ for(i=0; i<srclen; i++)
+ printf("%c", src[i]);
+ printf("\n");
+ if(dest==0)
+ {
+ for(i=0; i<srclen; i++)
+ {
+ src++;
+ if(*src==0)
+ return i+1;
+ }
+ return srclen+1;
+ }
+ 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 MultiByteToWideChar(unsigned int codepage,long flags, const char* src, int srclen,
+ short* dest, int destlen)
+{
+ return 0;
+}
+HANDLE OpenFileMappingA(long access, long prot, char* 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 p->handle;
+ }
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-27 14:08:53 +0000