From a0f941e7ae0e6935152e5ce42bfb8b45d224c25d Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom.smeding@gmail.com>
Date: Mon, 13 Jul 2020 19:53:05 +0200
Subject: weechat: Abstract debug file into separate module

---
 weechat/debug.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 weechat/debug.c

(limited to 'weechat/debug.c')

diff --git a/weechat/debug.c b/weechat/debug.c
new file mode 100644
index 0000000..969733c
--- /dev/null
+++ b/weechat/debug.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include "debug.h"
+
+
+static FILE *g_dfile;
+
+void debug_init(void) {
+	const char *home = getenv("HOME");
+	if (!home) home = "/tmp";
+
+	const char *suffix = "/Desktop/debugf.txt";
+
+	char *fname = malloc(strlen(home) + strlen(suffix) + 1);
+	if (!fname) return;  // okay, fine, no debug file
+
+	g_dfile = fopen(fname, "a");
+	if (!g_dfile) {
+		g_dfile = NULL;
+		return;  // fine!
+	}
+
+	// Disable buffering
+	setvbuf(g_dfile, NULL, _IONBF, 0);
+
+	fprintf(g_dfile, "--------\n");
+}
+
+void debug_deinit(void) {
+	if (g_dfile) fclose(g_dfile);
+}
+
+__attribute__((format (printf, 1, 2)))
+void debugf(const char *restrict format, ...) {
+	if (!g_dfile) return;
+
+	va_list ap;
+	va_start(ap, format);
+	vfprintf(g_dfile, format, ap);
+	va_end(ap);
+}
-- 
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