msvcrt: Added _fgetc_nolock implementation.

dlls/msvcr100/msvcr100.spec

@@ -800,6 +800,7 @@
 @ cdecl _fcvt_s(ptr long double long ptr ptr) MSVCRT__fcvt_s
 @ cdecl _fdopen(long str) MSVCRT__fdopen
 @ cdecl _fflush_nolock(ptr) MSVCRT__fflush_nolock
+@ cdecl _fgetc_nolock(ptr) MSVCRT__fgetc_nolock
 @ cdecl _fgetchar() MSVCRT__fgetchar
 @ stub _fgetwc_nolock
 @ cdecl _fgetwchar() MSVCRT__fgetwchar

dlls/msvcr110/msvcr110.spec

@@ -1148,6 +1148,7 @@
 @ cdecl _fcvt_s(ptr long double long ptr ptr) MSVCRT__fcvt_s
 @ cdecl _fdopen(long str) MSVCRT__fdopen
 @ cdecl _fflush_nolock(ptr) MSVCRT__fflush_nolock
+@ cdecl _fgetc_nolock(ptr) MSVCRT__fgetc_nolock
 @ cdecl _fgetchar() MSVCRT__fgetchar
 @ stub _fgetwc_nolock
 @ cdecl _fgetwchar() MSVCRT__fgetwchar

dlls/msvcr80/msvcr80.spec

@@ -467,6 +467,7 @@
 @ cdecl _fcvt_s(ptr long double long ptr ptr) MSVCRT__fcvt_s
 @ cdecl _fdopen(long str) MSVCRT__fdopen
 @ cdecl _fflush_nolock(ptr) MSVCRT__fflush_nolock
+@ cdecl _fgetc_nolock(ptr) MSVCRT__fgetc_nolock
 @ cdecl _fgetchar() MSVCRT__fgetchar
 @ stub _fgetwc_nolock
 @ cdecl _fgetwchar() MSVCRT__fgetwchar

dlls/msvcr90/msvcr90.spec

@@ -449,6 +449,7 @@
 @ cdecl _fcvt_s(ptr long double long ptr ptr) MSVCRT__fcvt_s
 @ cdecl _fdopen(long str) MSVCRT__fdopen
 @ cdecl _fflush_nolock(ptr) MSVCRT__fflush_nolock
+@ cdecl _fgetc_nolock(ptr) MSVCRT__fgetc_nolock
 @ cdecl _fgetchar() MSVCRT__fgetchar
 @ stub _fgetwc_nolock
 @ cdecl _fgetwchar() MSVCRT__fgetwchar

dlls/msvcrt/file.c

@@ -3503,10 +3503,23 @@ int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
  */
 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
 {
+    int ret;
+
+    MSVCRT__lock_file(file);
+    ret = MSVCRT__fgetc_nolock(file);
+    MSVCRT__unlock_file(file);
+
+    return ret;
+}
+
+/*********************************************************************
+ *		_fgetc_nolock (MSVCRT.@)
+ */
+int CDECL MSVCRT__fgetc_nolock(MSVCRT_FILE* file)
+{
   unsigned char *i;
   unsigned int j;
 
-  MSVCRT__lock_file(file);
   if (file->_cnt>0) {
     file->_cnt--;
     i = (unsigned char *)file->_ptr++;
@@ -3514,7 +3527,6 @@ int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
   } else
     j = MSVCRT__filbuf(file);
 
-  MSVCRT__unlock_file(file);
   return j;
 }
 

dlls/msvcrt/msvcrt.h

@@ -916,6 +916,7 @@ int __cdecl      MSVCRT__isleadbyte_l(int, MSVCRT__locale_t);
 void __cdecl     MSVCRT__lock_file(MSVCRT_FILE*);
 void __cdecl     MSVCRT__unlock_file(MSVCRT_FILE*);
 int __cdecl      MSVCRT_fgetc(MSVCRT_FILE*);
+int __cdecl      MSVCRT__fgetc_nolock(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*);

include/msvcrt/stdio.h

@@ -131,6 +131,7 @@ 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 _fflush_nolock(FILE*);
+int    __cdecl _fgetc_nolock(FILE*);
 int    __cdecl _fseek_nolock(FILE*,__msvcrt_long,int);
 int    __cdecl _fseeki64_nolock(FILE*,__int64,int);
 __msvcrt_long __cdecl _ftell_nolock(FILE*);