From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Mon, 7 Sep 2020 23:43:32 +0000 (-0700)
Subject: squash some tolower/toupper conversion warnings
X-Git-Tag: 2.46.0~20^2^2~82^2~9
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=de7b1aea03ddcfe08e55fb74e579b682d29e2487;p=graphviz

squash some tolower/toupper conversion warnings
---

diff --git a/lib/expr/exeval.c b/lib/expr/exeval.c
index 805282633..73d5530c3 100644
--- a/lib/expr/exeval.c
+++ b/lib/expr/exeval.c
@@ -318,21 +318,21 @@ prformat(Sfio_t* sp, void* vp, Sffmt_t* dp)
 			{
 				for (; *s; s++)
 					if (isupper(*s))
-						*s = tolower(*s);
+						*s = (char)tolower(*s);
 					else if (islower(*s))
-						*s = toupper(*s);
+						*s = (char)toupper(*s);
 			}
 			else if (streq(txt, "lower"))
 			{
 				for (; *s; s++)
 					if (isupper(*s))
-						*s = tolower(*s);
+						*s = (char)tolower(*s);
 			}
 			else if (streq(txt, "upper"))
 			{
 				for (; *s; s++)
 					if (islower(*s))
-						*s = toupper(*s);
+						*s = (char)toupper(*s);
 			}
 			else if (streq(txt, "variable"))
 			{