From 911969c2a86677e21bb5e6420aca483ce2876908 Mon Sep 17 00:00:00 2001
From: Andrew Wood <ivarch657@gmail.com>
Date: Sun, 30 Jul 2023 16:52:31 +0100
Subject: [PATCH] Cast char to int in isdigit() to satisfy GCC on Cygwin.

---
 src/pv/display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pv/display.c b/src/pv/display.c
index c8f03b4..1249d07 100644
--- a/src/pv/display.c
+++ b/src/pv/display.c
@@ -329,7 +329,7 @@ static void pv__format_init(pvstate_t state)
 			unsigned int num;
 			strpos++;
 			num = 0;
-			while (isdigit(formatstr[strpos])) {
+			while (isdigit((int)(formatstr[strpos]))) {
 				num = num * 10;
 				num += formatstr[strpos] - '0';
 				strpos++;