geomyidae

commit 74efed84eb2e5cc3f5b72be8b112020a362e7232
parent e9292b7acff19655482c6b53ff19f8c51f06bdcd
Author: Christoph Lohmann <20h@r-36.net>
Date:   Wed,  7 Feb 2018 20:17:56 +0100

Advance send buffer in xsendfile for conservative method.

Thanks Lucas Gabriel Vuotto <lgv@nanashi.co>!

Diffstat:
ind.c
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/ind.c b/ind.c
@@ -78,7 +78,7 @@ int
 xsendfile(int fd, int sock)
 {
 	struct stat st;
-	char *sendb;
+	char *sendb, *sendi;
 	size_t bufsiz = BUFSIZ, count = 0;
 	int len, sent, optval;
 
@@ -121,12 +121,14 @@ xsendfile(int fd, int sock)
 	if (count > 0) {
 		sendb = xmalloc(bufsiz);
 		while ((len = read(fd, sendb, bufsiz)) > 0) {
+			sendi = sendb;
 			while (len > 0) {
-				if ((sent = send(sock, sendb, len, 0)) < 0) {
+				if ((sent = send(sock, sendi, len, 0)) < 0) {
 					free(sendb);
 					return -1;
 				}
 				len -= sent;
+				sendi += sent;
 			}
 		}
 		free(sendb);