From fc80bd975c264959a73e074bc2ff49c52c384ac3 Mon Sep 17 00:00:00 2001
From: dfuehrer <dfuehrer@email.arizona.edu>
Date: Tue, 23 Mar 2021 18:29:19 -0700
Subject: [PATCH] reset errno so previous error doesn't cause next check to
 fail

---
 dwmblocks.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dwmblocks.c b/dwmblocks.c
index bbfad2d..0a0644f 100644
--- a/dwmblocks.c
+++ b/dwmblocks.c
@@ -97,11 +97,10 @@ void getcmd(const Block *block, char *output)
 	char * s;
     int e;
     do {
+        errno = 0;
         s = fgets(tmpstr, CMDLENGTH-(strlen(delim)+1), cmdf);
         e = errno;
     } while (!s && e == EINTR);
-    // this is equivalent but less readable and stuff
-    //while(!fgets(tmpstr, CMDLENGTH-(strlen(delim)+1), cmdf) && errno == EINTR);
 	pclose(cmdf);
 	int i = strlen(block->icon);
 	strcpy(output, block->icon);