NEWS update.

[paraslash.git] / fd.c

diff --git a/fd.c b/fd.c
index 0fb796025945b2c33e59c6c8508d370626ac0c02..32d11079267abb8c53db0f2dea5756f77f24d6f5 100644 (file)
--- a/fd.c
+++ b/fd.c
@@ -81,6 +81,27 @@ int write_nonblock(int fd, const char *buf, size_t len,
        return written;
 }
 
+/**
+ * Simple wrapper for readv().
+ *
+ * \param fd The file descriptor to read from.
+ * \param iov Scatter/gather array used in readv().
+ * \param iovcnt Number of elements in \a iov.
+ *
+ * \return A negative error code on errors, the return value of the underlying
+ * call to readv() otherwise.
+ *
+ * \sa readv(2).
+ */
+int para_readv(int fd, struct iovec *iov, int iovcnt)
+{
+       int ret = readv(fd, iov, iovcnt);
+
+       if (ret < 0)
+               return -ERRNO_TO_PARA_ERROR(errno);
+       return ret;
+}
+
 /**
  * Check whether a file exists.
  *