Start working on support for compiling on windows using msys2.

FossilOrigin-Name: d0b8a592f04b7c438aff01694ef262cef67b71da7625bf7415c1e61ff22d8a63

5 files changed, 137 insertions, 1 deletions

diff --git a/src/include/Makefile.am b/src/include/Makefile.am
index 3f082fb..99326ea 100644
--- a/src/include/Makefile.am
+++ b/src/include/Makefile.am
@@ -1,2 +1,8 @@
+OS_HS = \
+	     src/include/os/windows.h
+
 include_HEADERS += src/include/aplwc.h
-noinst_HEADERS += src/include/aplwc_macros.h
+noinst_HEADERS += src/include/aplwc_macros.h src/include/os.h $(OS_HS)
+
+src/include/os.h: $(OS_HS)
+
diff --git a/src/include/os.h b/src/include/os.h
new file mode 100644
index 0000000..a56b79d
--- /dev/null
+++ b/src/include/os.h
@@ -0,0 +1,54 @@
+/* 
+ * Copyright (C) 2026 Peter Mikkelsen <petermikkelsen10@gmail.com>
+ *
+ * This file is part of aplwc.
+ *
+ * Aplwc 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Aplwc 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 aplwc.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef OS_H
+#define OS_H
+
+#include <config.h>
+
+enum OS {
+	OS_Windows,
+	OS_Unknown	
+};
+
+#if BUILD_TARGET
+
+#ifdef BUILD_OS_WINDOWS
+#define OS OS_Windows
+#else
+#error "Unexpected build os"
+#endif
+
+#else
+
+#ifdef HOST_OS_WINDOWS
+#define OS OS_Windows
+#else
+#error "Unexpected host os"
+#endif
+
+#endif
+
+#if OS == OS_Windows
+#include <os/windows.h>
+#endif
+
+int getline(char **, size_t *, void *);
+
+#endif /* OS_H */
diff --git a/src/include/os/windows.h b/src/include/os/windows.h
new file mode 100644
index 0000000..7d12e12
--- /dev/null
+++ b/src/include/os/windows.h
@@ -0,0 +1,25 @@
+/* 
+ * Copyright (C) 2026 Peter Mikkelsen <petermikkelsen10@gmail.com>
+ *
+ * This file is part of aplwc.
+ *
+ * Aplwc 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Aplwc 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 aplwc.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stddef.h>
+#include <stdio.h>
+#include <assert.h>
+#include <setjmp.h>
+#include <stdlib.h>
+#include <string.h>
diff --git a/src/include/os/windows_main.h b/src/include/os/windows_main.h
new file mode 100644
index 0000000..fad4151
--- /dev/null
+++ b/src/include/os/windows_main.h
@@ -0,0 +1,20 @@
+/* 
+ * Copyright (C) 2026 Peter Mikkelsen <petermikkelsen10@gmail.com>
+ *
+ * This file is part of aplwc.
+ *
+ * Aplwc 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Aplwc 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 aplwc.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+int main(int, char **);
diff --git a/src/include/os_main.h b/src/include/os_main.h
new file mode 100644
index 0000000..1aa3d55
--- /dev/null
+++ b/src/include/os_main.h
@@ -0,0 +1,31 @@
+/* 
+ * Copyright (C) 2026 Peter Mikkelsen <petermikkelsen10@gmail.com>
+ *
+ * This file is part of aplwc.
+ *
+ * Aplwc 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Aplwc 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 aplwc.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef OS_MAIN_H
+#define OS_MAIN_H
+
+#if OS == OS_Windows
+#include <os/windows_main.h>
+#else
+#error "Did you include <os.h> before including <os_main.h>?" /* There may also be a missing case */
+#endif
+
+int portable_main(int, char **);
+
+#endif /* OS_MAIN_H */