msvcrt: Added _fread_nolock() implementation.

dlls/msvcr100/msvcr100.spec

@@ -832,7 +832,7 @@
 @ cdecl _fputchar(long) MSVCRT__fputchar
 @ stub _fputwc_nolock
 @ cdecl _fputwchar(long) MSVCRT__fputwchar
-@ stub _fread_nolock
+@ cdecl _fread_nolock(ptr long long ptr) MSVCRT__fread_nolock
 @ stub _fread_nolock_s
 @ cdecl _free_locale(ptr) MSVCRT__free_locale
 @ stub _freea

dlls/msvcr110/msvcr110.spec

@@ -1180,7 +1180,7 @@
 @ cdecl _fputchar(long) MSVCRT__fputchar
 @ stub _fputwc_nolock
 @ cdecl _fputwchar(long) MSVCRT__fputwchar
-@ stub _fread_nolock
+@ cdecl _fread_nolock(ptr long long ptr) MSVCRT__fread_nolock
 @ stub _fread_nolock_s
 @ cdecl _free_locale(ptr) MSVCRT__free_locale
 @ stub _freea

dlls/msvcr80/msvcr80.spec

@@ -499,7 +499,7 @@
 @ cdecl _fputchar(long) MSVCRT__fputchar
 @ stub _fputwc_nolock
 @ cdecl _fputwchar(long) MSVCRT__fputwchar
-@ stub _fread_nolock
+@ cdecl _fread_nolock(ptr long long ptr) MSVCRT__fread_nolock
 @ stub _fread_nolock_s
 @ cdecl _free_locale(ptr) MSVCRT__free_locale
 @ stub _freea

dlls/msvcr90/msvcr90.spec

@@ -481,7 +481,7 @@
 @ cdecl _fputchar(long) MSVCRT__fputchar
 @ stub _fputwc_nolock
 @ cdecl _fputwchar(long) MSVCRT__fputwchar
-@ stub _fread_nolock
+@ cdecl _fread_nolock(ptr long long ptr) MSVCRT__fread_nolock
 @ stub _fread_nolock_s
 @ cdecl _free_locale(ptr) MSVCRT__free_locale
 @ stub _freea

dlls/msvcrt/file.c

@@ -3957,6 +3957,20 @@ int CDECL MSVCRT__fputchar(int c)
  */
 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
 {
+    int ret;
+
+    MSVCRT__lock_file(file);
+    ret = MSVCRT__fread_nolock(ptr, size, nmemb, file);
+    MSVCRT__unlock_file(file);
+
+    return ret;
+}
+
+/*********************************************************************
+ *		_fread_nolock (MSVCRT.@)
+ */
+MSVCRT_size_t CDECL MSVCRT__fread_nolock(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
+{
   MSVCRT_size_t rcnt=size * nmemb;
   MSVCRT_size_t read=0;
   MSVCRT_size_t pread=0;
@@ -3964,8 +3978,6 @@ MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nm
   if(!rcnt)
 	return 0;
 
-  MSVCRT__lock_file(file);
-
   /* first buffered data */
   if(file->_cnt>0) {
 	int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
@@ -3979,7 +3991,6 @@ MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nm
 	if(file->_flag & MSVCRT__IORW) {
 		file->_flag |= MSVCRT__IOREAD;
 	} else {
-        MSVCRT__unlock_file(file);
         return 0;
     }
   }
@@ -4028,7 +4039,6 @@ MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nm
     if (i < 1) break;
   }
   read+=pread;
-  MSVCRT__unlock_file(file);
   return read / size;
 }
 

dlls/msvcrt/msvcrt.h

@@ -925,6 +925,7 @@ void __cdecl     MSVCRT_abort(void);
 MSVCRT_ulong* __cdecl MSVCRT___doserrno(void);
 int* __cdecl     MSVCRT__errno(void);
 char* __cdecl    MSVCRT_getenv(const char*);
+MSVCRT_size_t __cdecl MSVCRT__fread_nolock(void*,MSVCRT_size_t,MSVCRT_size_t,MSVCRT_FILE*);
 int __cdecl      MSVCRT_fclose(MSVCRT_FILE*);
 int __cdecl      MSVCRT__fclose_nolock(MSVCRT_FILE*);
 void __cdecl     MSVCRT_terminate(void);

include/msvcrt/stdio.h

@@ -127,9 +127,11 @@ int    __cdecl _vsnprintf(char*,size_t,const char*,__ms_va_list);
 int    __cdecl _vsnprintf_s(char*,size_t,size_t,const char*,__ms_va_list);
 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*);
+int    __cdecl _fclose_nolock(FILE*);
+
 void   __cdecl clearerr(FILE*);
 int    __cdecl fclose(FILE*);
-int    __cdecl _fclose_nolock(FILE*);
 int    __cdecl feof(FILE*);
 int    __cdecl ferror(FILE*);
 int    __cdecl fflush(FILE*);