Code cleanup

src/main.c

@@ -368,15 +368,10 @@ static ssize_t fd_write (int fd, const void *data, size_t size)
     return ret;
 }
 
-static ssize_t fd_read_all (int fd, void *data, size_t size)
+static size_t fd_read_all (int fd, void *data, size_t size)
 {
     size_t done = 0;
 
-    struct pollfd pollfd = {
-        .fd = fd,
-        .events = POLLIN,
-    };
-
     while (done<size) {
         ssize_t ret = fd_read(fd, (uint8_t *)data+done, size-done);
 
@@ -384,8 +379,14 @@ static ssize_t fd_read_all (int fd, void *data, size_t size)
             break;
 
         if (ret<0) {
+            struct pollfd pollfd = {
+                .fd = fd,
+                .events = POLLIN,
+            };
+
             if (!poll(&pollfd, 1, GT_TIMEOUT))
                 break;
+
             continue;
         }
 
@@ -395,15 +396,10 @@ static ssize_t fd_read_all (int fd, void *data, size_t size)
     return done;
 }
 
-static ssize_t fd_write_all (int fd, const void *data, size_t size)
+static size_t fd_write_all (int fd, const void *data, size_t size)
 {
     size_t done = 0;
 
-    struct pollfd pollfd = {
-        .fd = fd,
-        .events = POLLOUT,
-    };
-
     while (done<size) {
         ssize_t ret = fd_write(fd, (const uint8_t *)data+done, size-done);
 
@@ -411,8 +407,14 @@ static ssize_t fd_write_all (int fd, const void *data, size_t size)
             break;
 
         if (ret<0) {
+            struct pollfd pollfd = {
+                .fd = fd,
+                .events = POLLOUT,
+            };
+
             if (!poll(&pollfd, 1, GT_TIMEOUT))
                 break;
+
             continue;
         }