[PATCH] quote: use isalnum() to check for alphanumeric characters

From: René Scharfe <l.s.r@web.de>
Date: Feb 22, 2020, 18:51 UTC
Message-ID: <0157c714-2d9b-7896-f5dc-232d82a46625@web.de>

isalnum(c) is equivalent to isalpha(c) || isdigit(c), so use the former instead. The result is shorter, simpler and slightly more efficient.

Signed-off-by: René Scharfe <l.s.r@web.de>
---
 quote.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/quote.c b/quote.c
index 24a58ba454..bcc0dbc50d 100644
--- a/quote.c
+++ b/quote.c
@@ -55,7 +55,7 @@ void sq_quote_buf_pretty(struct strbuf *dst, const char *src)
 	}

 	for (p = src; *p; p++) {
-		if (!isalpha(*p) && !isdigit(*p) && !strchr(ok_punct, *p)) {
+		if (!isalnum(*p) && !strchr(ok_punct, *p)) {
 			sq_quote_buf(dst, src);
 			return;
 		}
--
2.25.1