From 86a8a6c5f7f1bef0e014b0383f9e9343d255d225 Mon Sep 17 00:00:00 2001
From: Camden Dixie O'Brien <cdo@wip.sh>
Date: Sun, 29 Dec 2024 12:02:04 +0000
Subject: [PATCH] Load mod dynamically

---
 build.sh | 2 +-
 main.c   | 7 +++++--
 mod.c    | 2 --
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/build.sh b/build.sh
index 9bbab7e..9e167c7 100755
--- a/build.sh
+++ b/build.sh
@@ -2,4 +2,4 @@
 CFLAGS="-std=c11 -pedantic -Wall -Wextra"
 mkdir -p build
 clang $CFLAGS -fPIC -shared mod.c -o build/libmod.so
-clang $CFLAGS -Lbuild -lmod main.c -o build/demo
+clang $CFLAGS main.c -o build/demo
diff --git a/main.c b/main.c
index 1b6a749..b33f8c9 100644
--- a/main.c
+++ b/main.c
@@ -5,13 +5,16 @@
 
 #define _POSIX_C_SOURCE 199309L
 
-#include "mod.h"
-
+#include <dlfcn.h>
 #include <stdio.h>
 #include <time.h>
 
+typedef const char *(*getmsg_t)(void);
+
 int main(void)
 {
+	void *mod = dlopen("libmod.so", RTLD_NOW);
+	const getmsg_t getmsg = (getmsg_t)dlsym(mod, "getmsg");
 	const struct timespec pause = { .tv_nsec = 16666667 };
 	while (1) {
 		printf("\33[2K\r%s", getmsg());
diff --git a/mod.c b/mod.c
index 70d9285..b772998 100644
--- a/mod.c
+++ b/mod.c
@@ -3,8 +3,6 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-#include "mod.h"
-
 const char *getmsg(void)
 {
 	return "hi";