msvcp: Sync istream<>::peek implementations.

dlls/msvcp100/ios.c

@@ -5821,6 +5821,10 @@ int __thiscall basic_istream_char_peek(basic_istream_char *this)
     if(basic_istream_char_sentry_create(this, TRUE))
         ret = basic_streambuf_char_sgetc(basic_ios_char_rdbuf_get(base));
     basic_istream_char_sentry_destroy(this);
+
+    if (ret == EOF)
+        basic_ios_char_setstate(base, IOSTATE_eofbit);
+
     return ret;
 }
 
@@ -6949,6 +6953,10 @@ unsigned short __thiscall basic_istream_wchar_peek(basic_istream_wchar *this)
     if(basic_istream_wchar_sentry_create(this, TRUE))
         ret = basic_streambuf_wchar_sgetc(basic_ios_wchar_rdbuf_get(base));
     basic_istream_wchar_sentry_destroy(this);
+
+    if (ret == WEOF)
+        basic_ios_wchar_setstate(base, IOSTATE_eofbit);
+
     return ret;
 }
 

dlls/msvcp60/ios.c

@@ -7212,6 +7212,10 @@ int __thiscall basic_istream_char_peek(basic_istream_char *this)
     if(basic_istream_char_sentry_create(this, TRUE))
         ret = basic_streambuf_char_sgetc(basic_ios_char_rdbuf_get(base));
     basic_istream_char_sentry_destroy(this);
+
+    if (ret == EOF)
+        basic_ios_char_setstate(base, IOSTATE_eofbit);
+
     return ret;
 }
 
@@ -8467,6 +8471,10 @@ unsigned short __thiscall basic_istream_wchar_peek(basic_istream_wchar *this)
     if(basic_istream_wchar_sentry_create(this, TRUE))
         ret = basic_streambuf_wchar_sgetc(basic_ios_wchar_rdbuf_get(base));
     basic_istream_wchar_sentry_destroy(this);
+
+    if (ret == WEOF)
+        basic_ios_wchar_setstate(base, IOSTATE_eofbit);
+
     return ret;
 }
 

dlls/msvcp71/ios.c

@@ -7544,6 +7544,10 @@ int __thiscall basic_istream_char_peek(basic_istream_char *this)
     if(basic_istream_char_sentry_create(this, TRUE))
         ret = basic_streambuf_char_sgetc(basic_ios_char_rdbuf_get(base));
     basic_istream_char_sentry_destroy(this);
+
+    if (ret == EOF)
+        basic_ios_char_setstate(base, IOSTATE_eofbit);
+
     return ret;
 }
 
@@ -8802,6 +8806,10 @@ unsigned short __thiscall basic_istream_wchar_peek(basic_istream_wchar *this)
     if(basic_istream_wchar_sentry_create(this, TRUE))
         ret = basic_streambuf_wchar_sgetc(basic_ios_wchar_rdbuf_get(base));
     basic_istream_wchar_sentry_destroy(this);
+
+    if (ret == WEOF)
+        basic_ios_wchar_setstate(base, IOSTATE_eofbit);
+
     return ret;
 }