From 0c268f5fc93fe3e96c543b771a5d6070d4c55985 Mon Sep 17 00:00:00 2001
From: Ivan Mikhnovich <ivan.mikhnovich@gmail.com>
Date: Sun, 23 May 2021 19:24:42 +0300
Subject: [PATCH] Replace bughy implementation of function 'remove_all()'.

Counterexample for old implementation:
    char str[] = "aaa";
    remove_all(str, 'a');
    printf("%s\n", str); // displays "a" if we're lucky,
                         //or crashes if we're not.
---
 dwmblocks.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/dwmblocks.c b/dwmblocks.c
index 18f58fb..563a07e 100644
--- a/dwmblocks.c
+++ b/dwmblocks.c
@@ -51,13 +51,13 @@ void remove_all(char *str, char to_remove) {
 	char *read = str;
 	char *write = str;
 	while (*read) {
-		if (*read == to_remove) {
-			read++;
+		if (*read != to_remove) {
 			*write = *read;
+			++write;
 		}
-		read++;
-		write++;
+		++read;
 	}
+	*write = '\0';
 }
 
 //opens process *cmd and stores output in *output