[PATCH 04/36] attr.c: explain the lack of attr-name syntax check in parse_attr()

[Stefan Beller <sbeller@xxxxxxxxxx>]

From: Junio C Hamano <gitster@xxxxxxxxx>

Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
 attr.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/attr.c b/attr.c
index 4ae7801..05db667 100644
--- a/attr.c
+++ b/attr.c
@@ -183,6 +183,12 @@ static const char *parse_attr(const char *src, int lineno, const char *cp,
 			return NULL;
 		}
 	} else {
+		/*
+		 * As this function is always called twice, once with
+		 * e == NULL in the first pass and then e != NULL in
+		 * the second pass, no need for invalid_attr_name()
+		 * check here.
+		 */
 		if (*cp == '-' || *cp == '!') {
 			e->setto = (*cp == '-') ? ATTR__FALSE : ATTR__UNSET;
 			cp++;
-- 
2.10.1.508.g6572022