Add support for Visual Studio 2019

msvc/msvc_compat.h

@@ -0,0 +1,50 @@
+/*
+ * avrdude - A Downloader/Uploader for AVR device programmers
+ * Copyright (C) 2018 Marius Greuel
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <stdio.h>
+#include <string.h>
+#include <io.h>
+
+#pragma warning(disable : 4018) // signed/unsigned mismatch
+#pragma warning(disable : 4244) // conversion from '...' to '...', possible loss of data
+#pragma warning(disable : 4267) // conversion from '...' to '...', possible loss of data
+
+#pragma comment(lib, "hid.lib")
+#pragma comment(lib, "ws2_32.lib")
+#pragma comment(lib, "setupapi.lib")
+
+#define PATH_MAX _MAX_PATH
+
+#define setvbuf msvc_setvbuf
+
+static inline int msvc_setvbuf(
+    FILE* const public_stream,
+    char* const buffer,
+    int const type,
+    size_t const buffer_size_in_bytes
+)
+{
+    // Just ignore calls to setvbuf with invalid buffer size.
+    // Purpose of setvbuf calls unknown, probably in an attempt to fix broken
+    // programs that capture stdout and stderr using separate stream handles?
+    return 0;
+}
+
+static inline int strcasecmp(const char *s1, const char *s2) { return _stricmp(s1, s2); }
+static inline int strncasecmp(const char *s1, const char *s2, size_t n) { return _strnicmp(s1, s2, n); }