lib: Return number of written bytes on flow_write0.17.0

This is more in line with the write() system call and prepares for
partial writes. Partial writes are disabled by default (and not yet
implemented).

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/ipcpd/unicast/enroll.c b/src/ipcpd/unicast/enroll.c
index 6a612ff3..3b4a5a89 100644
--- a/src/ipcpd/unicast/enroll.c
+++ b/src/ipcpd/unicast/enroll.c
@@ -87,7 +87,7 @@ static int send_rcv_enroll_msg(int fd)
 
         clock_gettime(CLOCK_REALTIME, &t0);
 
-        if (flow_write(fd, buf, len)) {
+        if (flow_write(fd, buf, len) < 0) {
                 log_dbg("Failed to send request message.");
                 return -1;
         }
@@ -238,7 +238,7 @@ static void * enroll_handle(void * o)
 
                 log_dbg("Sending enrollment info (%zd bytes).", len);
 
-                if (flow_write(conn.flow_info.fd, reply, len)) {
+                if (flow_write(conn.flow_info.fd, reply, len) < 0) {
                         log_err("Failed respond to enrollment request.");
                         connmgr_dealloc(COMPID_ENROLL, &conn);
                         free(reply);
@@ -312,7 +312,7 @@ int enroll_done(struct conn * conn,
 
         enroll_msg__pack(&msg, buf);
 
-        if (flow_write(conn->flow_info.fd, buf, len)) {
+        if (flow_write(conn->flow_info.fd, buf, len) < 0) {
                 log_dbg("Failed to send acknowledgment.");
                 return -1;
         }