From: Tom Böhmer <qtom.boehmer@googlemail.com>
Date: Thu, 28 May 2020 08:39:07 +0000 (+0200)
Subject: Fixes #9 - determine the size of the status buffer based on the number of blocks
X-Git-Url: https://git.danieliu.xyz/?a=commitdiff_plain;h=4d92b6ca6caae215a79f00d88404c018b9eac15f;p=dwmblocks.git

Fixes #9 - determine the size of the status buffer based on the number of blocks

prevents dwmblocks from crashing because of the status string getting
longer than the underlying buffer
---

diff --git a/dwmblocks.c b/dwmblocks.c
index 2f3b774..3af799f 100644
--- a/dwmblocks.c
+++ b/dwmblocks.c
@@ -6,6 +6,7 @@
 #include<X11/Xlib.h>
 #define LENGTH(X)               (sizeof(X) / sizeof (X[0]))
 #define CMDLENGTH		50
+#define STATUSLENGTH (LENGTH(blocks) * CMDLENGTH + 1)
 
 typedef struct {
 	char* icon;
@@ -32,7 +33,7 @@ static Display *dpy;
 static int screen;
 static Window root;
 static char statusbar[LENGTH(blocks)][CMDLENGTH] = {0};
-static char statusstr[2][256];
+static char statusstr[2][STATUSLENGTH];
 static int statusContinue = 1;
 static void (*writestatus) () = setroot;