commit 89077ea14658e1570e753363db927fe0138c7a4b
from: Stefan Sperling <stsp@stsp.name>
via: Thomas Adam <thomas@xteddy.org>
date: Mon Oct 31 17:40:34 2022 UTC

avoid incomplete writes of buffered pack file chunks in gotsh

commit - 9439b99a9a4c551109d11217916f1d5118ca556d
commit + 89077ea14658e1570e753363db927fe0138c7a4b
blob - be583ed204cfaf9383958c978c1f8e80d382415f
blob + 916500e1af93b9e7112840c8d0c9c4e46d0a67f2
--- lib/serve.c
+++ lib/serve.c
@@ -971,7 +971,7 @@ serve_read(int infd, int outfd, int gotd_sock, const c
 		pack_chunksize = sizeof(buf);
 
 	for (;;) {
-		ssize_t r, w;
+		ssize_t r;
 
 		r = read(packfd, use_sidebands ? &buf[1] : buf,
 		    pack_chunksize);
@@ -989,12 +989,10 @@ serve_read(int infd, int outfd, int gotd_sock, const c
 			if (err)
 				break;
 		} else {
-			w = write(outfd, buf, r);
-			if (w == -1) {
-				err = got_error_from_errno("write");
-				break;
-			} else if (w != r) {
-				err = got_error(GOT_ERR_IO);
+			err = got_poll_write_full(outfd, buf, r);
+			if (err) {
+				if (err->code == GOT_ERR_EOF)
+					err = NULL;
 				break;
 			}
 		}