From e3b1e3bdc0aa5fa6a474874a2395ae0584b2aea7 Mon Sep 17 00:00:00 2001
From: Pranit Bauva <pranit.bauva@gmail.com>
Date: Wed, 2 Jan 2019 07:38:32 -0800
Subject: wrapper: move is_empty_file() and rename it as
 is_empty_or_missing_file()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

is_empty_file() can help to refactor a lot of code. This will be very
helpful in porting "git bisect" to C.

Suggested-by: Torsten Bögershausen <tboegi@web.de>
Mentored-by: Lars Schneider <larsxschneider@gmail.com>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 wrapper.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'wrapper.c')

diff --git a/wrapper.c b/wrapper.c
index e4fa9d84cd..ea3cf64d4c 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -690,3 +690,16 @@ int xgethostname(char *buf, size_t len)
 		buf[len - 1] = 0;
 	return ret;
 }
+
+int is_empty_or_missing_file(const char *filename)
+{
+	struct stat st;
+
+	if (stat(filename, &st) < 0) {
+		if (errno == ENOENT)
+			return 1;
+		die_errno(_("could not stat %s"), filename);
+	}
+
+	return !st.st_size;
+}
-- 
cgit v1.2.3