msvcrt: Added _fseeki64_nolock implementation.

dlls/msvcr100/msvcr100.spec

@@ -842,7 +842,7 @@
 @ varargs _fscanf_s_l(ptr str ptr) MSVCRT__fscanf_s_l
 @ stub _fseek_nolock
 @ cdecl _fseeki64(ptr int64 long) MSVCRT__fseeki64
-@ stub _fseeki64_nolock
+@ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
 @ stub _fstat32i64

dlls/msvcr110/msvcr110.spec

@@ -1190,7 +1190,7 @@
 @ varargs _fscanf_s_l(ptr str ptr) MSVCRT__fscanf_s_l
 @ stub _fseek_nolock
 @ cdecl _fseeki64(ptr int64 long) MSVCRT__fseeki64
-@ stub _fseeki64_nolock
+@ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
 @ stub _fstat32i64

dlls/msvcr80/msvcr80.spec

@@ -509,7 +509,7 @@
 @ varargs _fscanf_s_l(ptr str ptr) MSVCRT__fscanf_s_l
 @ stub _fseek_nolock
 @ cdecl _fseeki64(ptr int64 long) MSVCRT__fseeki64
-@ stub _fseeki64_nolock
+@ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
 @ stub _fstat32i64

dlls/msvcr90/msvcr90.spec

@@ -491,7 +491,7 @@
 @ varargs _fscanf_s_l(ptr str ptr) MSVCRT__fscanf_s_l
 @ stub _fseek_nolock
 @ cdecl _fseeki64(ptr int64 long) MSVCRT__fseeki64
-@ stub _fseeki64_nolock
+@ cdecl _fseeki64_nolock(ptr int64 long) MSVCRT__fseeki64_nolock
 @ cdecl _fsopen(str str long) MSVCRT__fsopen
 @ cdecl _fstat32(long ptr) MSVCRT__fstat32
 @ stub _fstat32i64

dlls/msvcrt/file.c

@@ -1249,13 +1249,26 @@ int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
     int ret;
 
     MSVCRT__lock_file(file);
+    ret = MSVCRT__fseeki64_nolock(file, offset, whence);
+    MSVCRT__unlock_file(file);
+
+    return ret;
+}
+
+/*********************************************************************
+ *		_fseeki64_nolock (MSVCRT.@)
+ */
+int CDECL MSVCRT__fseeki64_nolock(MSVCRT_FILE* file, __int64 offset, int whence)
+{
+  int ret;
+
   /* Flush output if needed */
   if(file->_flag & MSVCRT__IOWRT)
 	msvcrt_flush_buffer(file);
 
   if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
       whence = SEEK_SET;
-      offset += MSVCRT__ftelli64(file);
+      offset += MSVCRT__ftelli64_nolock(file);
   }
 
   /* Discard buffered input */
@@ -1269,7 +1282,6 @@ int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
   file->_flag &= ~MSVCRT__IOEOF;
   ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
 
-  MSVCRT__unlock_file(file);
   return ret;
 }
 

dlls/msvcrt/msvcrt.h

@@ -919,6 +919,7 @@ int __cdecl      MSVCRT_fgetc(MSVCRT_FILE*);
 int __cdecl      MSVCRT_ungetc(int,MSVCRT_FILE*);
 MSVCRT_wint_t __cdecl MSVCRT_fgetwc(MSVCRT_FILE*);
 MSVCRT_wint_t __cdecl MSVCRT_ungetwc(MSVCRT_wint_t,MSVCRT_FILE*);
+int __cdecl      MSVCRT__fseeki64_nolock(MSVCRT_FILE*,__int64,int);
 __int64 __cdecl  MSVCRT__ftelli64(MSVCRT_FILE* file);
 __int64 __cdecl  MSVCRT__ftelli64_nolock(MSVCRT_FILE*);
 void __cdecl     MSVCRT__exit(int);

include/msvcrt/stdio.h

@@ -130,6 +130,7 @@ int    __cdecl _vsprintf_p_l(char*,size_t,const char*,_locale_t,__ms_va_list);
 size_t __cdecl _fread_nolock(void*,size_t,size_t,FILE*);
 size_t __cdecl _fwrite_nolock(const void*,size_t,size_t,FILE*);
 int    __cdecl _fclose_nolock(FILE*);
+int    __cdecl _fseeki64_nolock(FILE*,__int64,int);
 __msvcrt_long __cdecl _ftell_nolock(FILE*);
 __int64 __cdecl _ftelli64_nolock(FILE*);