From c8dd3e3985dce3ae94bb09d6df82a516852e78c4 Mon Sep 17 00:00:00 2001
From: Ulf Hermann <ulf.hermann@qt.io>
Date: Tue, 24 Jul 2018 11:24:29 +0200
Subject: Add a header for eu_compat.dll, and export more functions

We obviously need strdup, and it doesn't hurt to also export realloc and
calloc.

Change-Id: Ia4af48faaec2bcf24c3e07002711cd6153f684bf
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
---
 lib/Makefile.am      |  2 ++
 lib/eu_compat.def.in |  3 ++
 lib/libeu_compat.h   | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 82 insertions(+)
 create mode 100644 lib/libeu_compat.h

diff --git a/lib/Makefile.am b/lib/Makefile.am
index f429a9bb..edd669fb 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -31,6 +31,7 @@ include $(top_srcdir)/config/eu.am
 AM_CFLAGS += $(fpic_CFLAGS)
 AM_CPPFLAGS += -I$(srcdir)/../libelf
 
+pkginclude_HEADERS = libeu_compat.h
 noinst_LIBRARIES = libeu.a
 
 libeu_a_SOURCES = xstrdup.c xstrndup.c xmalloc.c next_prime.c \
@@ -59,6 +60,7 @@ endif
 
 EXTRA_DIST += eu_compat.def.in
 if NATIVE_PE
+
 eu_compat.def: eu_compat.def.in
 	cp $< $@
 
diff --git a/lib/eu_compat.def.in b/lib/eu_compat.def.in
index c2aa88ff..bed5c83c 100644
--- a/lib/eu_compat.def.in
+++ b/lib/eu_compat.def.in
@@ -4,4 +4,7 @@ eu_compat_demangle=__cxa_demangle
 eu_compat_open=msvcrt._open
 eu_compat_close=msvcrt._close
 eu_compat_malloc=msvcrt.malloc
+eu_compat_realloc=msvcrt.realloc
+eu_compat_calloc=msvcrt.calloc
 eu_compat_free=msvcrt.free
+eu_compat_strdup=msvcrt._strdup
diff --git a/lib/libeu_compat.h b/lib/libeu_compat.h
new file mode 100644
index 00000000..fe73e237
--- /dev/null
+++ b/lib/libeu_compat.h
@@ -0,0 +1,77 @@
+/* Interface for libeu_compat.
+   Copyright (C) 2018 The Qt Company Ltd.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of either
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at
+       your option) any later version
+
+   or
+
+     * 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
+
+   or both in parallel, as here.
+
+   elfutils 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 copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _LIBEU_COMPAT_H
+#define _LIBEU_COMPAT_H 1
+
+#if (defined _WIN32 || defined __WIN32__)
+
+#include <io.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern char *eu_compat_demangle(const char *mangled_name, char *output_buffer,
+                                size_t *length, int *status);
+
+extern int eu_compat_open(const char *, int);
+extern int eu_compat_close(int);
+
+extern void *eu_compat_malloc(size_t);
+extern void *eu_compat_realloc(void *, size_t);
+extern void *eu_compat_calloc(size_t);
+extern void eu_compat_free(void *);
+
+extern char* eu_compat_strdup(const char* string);
+
+#ifdef __cplusplus
+}
+#endif
+
+#else
+
+#include <cxxabi.h>
+#include <unistd.h>
+
+#define eu_compat_demangle abi::__cxa_demangle
+
+#define eu_compat_open open
+#define eu_compat_close close
+#define O_BINARY 0
+
+#define eu_compat_malloc malloc
+#define eu_compat_realloc realloc
+#define eu_compat_calloc calloc
+#define eu_compat_free free
+
+#define eu_compat_strdup strdup
+
+#endif
+
+#endif // _LIBEU_COMPAT_H
-- 
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