Do more sendfile, in case sendfile did not send everything. - geomyidae - A small C-based gopherd.

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---

commit eb18ab03d6c767aa5f355d802b00ad7ec2a3055f

parent efab0d1f664ac58350ead1e8e7259a31916babe1

Author: Christoph Lohmann <20h@r-36.net>

Date:   Thu, 23 Aug 2018 13:42:28 +0200

Do more sendfile, in case sendfile did not send everything.

Diffstat:
  M ind.c                               |      13 ++++++++++---

1 file changed, 10 insertions(+), 3 deletions(-)
---

diff --git a/ind.c b/ind.c

@@ -174,13 +174,20 @@ xsendfile(int fd, int sock)
         }
 
 /* Different sendfile(2) implementations on different platforms. :/ */
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__)
+        for (sent = 0; count > 0; count -= sent) {
 #ifdef __linux__
-        return sendfile(sock, fd, NULL, count);
+                sent = sendfile(sock, fd, 0, count);
 #endif
 #if defined(__FreeBSD__) || defined(__DragonFly__)
-        return sendfile(fd, sock, 0, count, NULL, NULL, 0);
+                sent = sendfile(fd, sock, 0, count, NULL, NULL, 0);
 #endif
-        return -1;
+                if (sent < 0)
+                        return -1;
+        }
+#endif
+
+        return 0;
 }
 
 void *