From 4b06b666a98ea0239b0c72a579f8434246fb2d39 Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano.tronto@gmail.com>
Date: Sat, 20 Nov 2021 17:15:27 +0100
Subject: Added windows binary

---
 INSTALL               |  10 ++++++++++
 Makefile              |   5 ++++-
 doc/nissy.1           |   3 ++-
 nissy-2.0beta3.tar.gz | Bin 53146 -> 53230 bytes
 nissy.exe             | Bin 0 -> 684963 bytes
 src/env.c             |  23 ++++++++++++++++++-----
 6 files changed, 34 insertions(+), 7 deletions(-)
 create mode 100755 nissy.exe

diff --git a/INSTALL b/INSTALL
index 59c1b83..0717a0a 100644
--- a/INSTALL
+++ b/INSTALL
@@ -8,6 +8,16 @@ pruning table. If so, about 200Mb should be enough.
 
 # Installation
 
+## On Windows
+
+Try downloading and executing in a terminal the file nissy.exe, then
+follow the instructions in the UNIX section below for downloading and
+installing the pruning tables.
+If nissy.exe does not work, you can try following the UNIX instructions
+in WSL (Windows Subsystem for Linux) or in a similar environment.
+
+Sorry for the inconvenience, I don't have a Windows machine to test this on.
+
 ## On a UNIX system:
 
 Edit the Makefile to match your local configuration (usually not necessary, but you
diff --git a/Makefile b/Makefile
index 4ffef70..89d866b 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,9 @@ options:
 nissy:
 	${CC} ${CFLAGS} -o nissy.o src/*.c
 
+win:
+	x86_64-w64-mingw32-gcc ${CFLAGS} -static -o nissy.exe src/*.c
+
 debug:
 	${CC} ${DBGFLAGS} -o nissy.o src/*.c
 
@@ -50,5 +53,5 @@ uninstall:
 	rm -rf ${DESTDIR}${PREFIX}/bin/nissy ${DESTDIR}${MANPREFIX}/man1/nissy.1
 	for s in ${SCRIPTS}; do rm -rf ${DESTDIR}${PREFIX}/bin/$$s; done
 
-.PHONY: all options nissy debug clean dist install uninstall
+.PHONY: all options nissy win debug clean dist install uninstall
 
diff --git a/doc/nissy.1 b/doc/nissy.1
index 5bfa930..e8ce7ea 100644
--- a/doc/nissy.1
+++ b/doc/nissy.1
@@ -127,7 +127,8 @@ If that variable is unset the folder
 .Nm $XDG_DATA_HOME/nissy
 or
 .Nm $HOME/.nissy
-is used instead.
+is used instead. If none of this environment variables is defined
+(e.g. in a non-UNIX system), the current folder is used.
 .
 .Sh EXAMPLES
 .
diff --git a/nissy-2.0beta3.tar.gz b/nissy-2.0beta3.tar.gz
index bd7dd17..91c9e5e 100644
Binary files a/nissy-2.0beta3.tar.gz and b/nissy-2.0beta3.tar.gz differ
diff --git a/nissy.exe b/nissy.exe
new file mode 100755
index 0000000..400d674
Binary files /dev/null and b/nissy.exe differ
diff --git a/src/env.c b/src/env.c
index d13642f..282bc8f 100644
--- a/src/env.c
+++ b/src/env.c
@@ -3,6 +3,16 @@
 bool initialized_env = false;
 char *tabledir;
 
+void
+mymkdir(char *d, int m)
+{
+#ifdef _WIN32
+	mkdir(d);
+#else
+	mkdir(d, m);
+#endif
+}
+
 void
 init_env()
 {
@@ -15,21 +25,24 @@ init_env()
 		return;
 
 	if (nissydata != NULL) {
-		tabledir = malloc(strlen(nissydata) * sizeof(char) + 20);
+		tabledir = malloc((strlen(nissydata) + 20) * sizeof(char));
 		strcpy(tabledir, nissydata);
 	} else if (localdata != NULL) {
-		tabledir = malloc(strlen(localdata) * sizeof(char) + 20);
+		tabledir = malloc((strlen(localdata) + 20) * sizeof(char));
 		strcpy(tabledir, localdata);
 		strcat(tabledir, "/nissy");
 	} else if (home != NULL) {
-		tabledir = malloc(strlen(home) * sizeof(char) + 20);
+		tabledir = malloc((strlen(home) + 20) * sizeof(char));
 		strcpy(tabledir, home);
 		strcat(tabledir, "/.nissy");
+	} else {
+		tabledir = malloc(20 * sizeof(char));
+		strcpy(tabledir, ".");
 	}
 
-	mkdir(tabledir, 0777);
+	mymkdir(tabledir, 0777);
 	strcat(tabledir, "/tables");
-	mkdir(tabledir, 0777);
+	mymkdir(tabledir, 0777);
 
 	read  = !access(tabledir, R_OK);
 	write = !access(tabledir, W_OK);
-- 
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