From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Thu, 8 Sep 2022 03:54:51 +0000 (-0700)
Subject: gvpr TFA_Advance: squash -Wconversion warning from 'tolower' return
X-Git-Tag: 6.0.1~5^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=33f8143133a262a657ee40212b48095e6fb9759a;p=graphviz

gvpr TFA_Advance: squash -Wconversion warning from 'tolower' return

GCC is overly pedantic about the return type of the ctype.h functions.
---

diff --git a/lib/gvpr/trieFA.h b/lib/gvpr/trieFA.h
index 6369e4ad8..2bbd53926 100644
--- a/lib/gvpr/trieFA.h
+++ b/lib/gvpr/trieFA.h
@@ -62,7 +62,7 @@ static short		TFA_State;
 	char		c = C;																\
 	if (TFA_State >= 0) {															\
 		if (isupper(c))																\
-			c = tolower(c);															\
+			c = (char)tolower(c);															\
 		else if (! IN_MASK_RANGE(c)) {												\
 			TFA_State = -1;															\
 			goto TFA_done;															\