From c107bca4d607041850166bebe68e136557749702 Mon Sep 17 00:00:00 2001
From: tch69 <ifa26417@outlook.com.vn>
Date: Sun, 6 Apr 2025 11:46:32 +0700
Subject: [PATCH] allow setting ENV vars inside config.h

---
 config.def.h |  5 +++++
 dwm.c        | 14 ++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/config.def.h b/config.def.h
index 9efa774..9d93742 100644
--- a/config.def.h
+++ b/config.def.h
@@ -44,6 +44,11 @@ static const Layout layouts[] = {
 	{ "[M]",      monocle },
 };

+static const Env envs[] = {
+	/* variable 	value */
+	{ "TERMINAL",	"st" },
+};
+
 /* key definitions */
 #define MODKEY Mod1Mask
 #define TAGKEYS(KEY,TAG) \
diff --git a/dwm.c b/dwm.c
index f1d86b2..30cf88a 100644
--- a/dwm.c
+++ b/dwm.c
@@ -99,6 +99,11 @@ struct Client {
 	Window win;
 };

+typedef struct {
+	const char *variable;
+	const char *value;
+} Env;
+
 typedef struct {
 	unsigned int mod;
 	KeySym keysym;
@@ -198,6 +203,7 @@ static void scan(void);
 static int sendevent(Client *c, Atom proto);
 static void sendmon(Client *c, Monitor *m);
 static void setclientstate(Client *c, long state);
+static void setenvvars(void);
 static void setfocus(Client *c);
 static void setfullscreen(Client *c, int fullscreen);
 static void setlayout(const Arg *arg);
@@ -1467,6 +1473,13 @@ sendevent(Client *c, Atom proto)
 	return exists;
 }

+static void
+setenvvars(void)
+{
+	for (size_t i = 0; i < LENGTH(envs); i++)
+		setenv(envs[i].variable, envs[i].value, 1);
+}
+
 void
 setfocus(Client *c)
 {
@@ -2152,6 +2165,7 @@ main(int argc, char *argv[])
 	if (!(dpy = XOpenDisplay(NULL)))
 		die("dwm: cannot open display");
 	checkotherwm();
+	setenvvars();
 	setup();
 #ifdef __OpenBSD__
 	if (pledge("stdio rpath proc exec", NULL) == -1)
--
2.48.1