threads / patch / 43022

patcharchive-tar: make write_extended_header() void

Subject: [PATCH] archive-tar: make write_extended_header() void

## tl;dr

2 messages between Aug 6, 2016 and Aug 7, 2016. Diffs are folded; open one to read it.

replies: 1people: 2as markdown or json

René Scharfe· Aug 6, 2016, 14:35 UTC · lore

The function write_extended_header() only ever returns 0. Simplify it and its caller by dropping its return value, like we did with write_global_extended_header() earlier.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
---
 archive-tar.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)
Show changes to archive-tar.c +5 −10
diff --git a/archive-tar.c b/archive-tar.c
index 5568240..380e3ae 100644
--- a/archive-tar.c
+++ b/archive-tar.c
@@ -213,9 +213,9 @@ static void prepare_header(struct archiver_args *args,
 	xsnprintf(header->chksum, sizeof(header->chksum), "%07o", ustar_header_chksum(header));
 }
 
-static int write_extended_header(struct archiver_args *args,
-				 const unsigned char *sha1,
-				 const void *buffer, unsigned long size)
+static void write_extended_header(struct archiver_args *args,
+				  const unsigned char *sha1,
+				  const void *buffer, unsigned long size)
 {
 	struct ustar_header header;
 	unsigned int mode;
@@ -226,7 +226,6 @@ static int write_extended_header(struct archiver_args *args,
 	prepare_header(args, &header, mode, size);
 	write_blocked(&header, sizeof(header));
 	write_blocked(buffer, size);
-	return 0;
 }
 
 static int write_tar_entry(struct archiver_args *args,
@@ -305,12 +304,8 @@ static int write_tar_entry(struct archiver_args *args,
 	prepare_header(args, &header, mode, size_in_header);
 
 	if (ext_header.len > 0) {
-		err = write_extended_header(args, sha1, ext_header.buf,
-					    ext_header.len);
-		if (err) {
-			free(buffer);
-			return err;
-		}
+		write_extended_header(args, sha1, ext_header.buf,
+				      ext_header.len);
 	}
 	strbuf_release(&ext_header);
 	write_blocked(&header, sizeof(header));
-- 
2.9.2
Jeff King· Aug 7, 2016, 23:14 UTC · re: René Scharfe · lore

Re: [PATCH] archive-tar: make write_extended_header() void

On Sat, Aug 06, 2016 at 04:35:38PM +0200, René Scharfe wrote:
> The function write_extended_header() only ever returns 0.  Simplify
> it and its caller by dropping its return value, like we did with
> write_global_extended_header() earlier.
Obviously correct, and much nicer to read. Thanks.
-Peff

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