libio: Convert __vdprintf_internal to buffers

The internal buffer size is set to 2048 bytes.  This is less than
the original BUFSIZ value used by buffered_vfprintf before
the conversion, but it hopefully covers all cases where write
boundaries matter.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/stdio-common/printf_buffer_flush.c b/stdio-common/printf_buffer_flush.c
index 14fe1b2df4..922340cc54 100644
--- a/stdio-common/printf_buffer_flush.c
+++ b/stdio-common/printf_buffer_flush.c
@@ -28,6 +28,7 @@
 # pragma weak __printf_buffer_flush_snprintf
 # pragma weak __printf_buffer_flush_to_file
 # pragma weak __printf_buffer_flush_asprintf
+# pragma weak __printf_buffer_flush_dprintf
 # pragma weak __printf_buffer_flush_fp
 # pragma weak __printf_buffer_flush_fp_to_wide
 # pragma weak __printf_buffer_flush_fphex_to_wide
@@ -53,6 +54,9 @@ __printf_buffer_do_flush (struct __printf_buffer *buf)
     case __printf_buffer_mode_asprintf:
       __printf_buffer_flush_asprintf ((struct __printf_buffer_asprintf *) buf);
       return;
+    case __printf_buffer_mode_dprintf:
+      __printf_buffer_flush_dprintf ((struct __printf_buffer_dprintf *) buf);
+      return;
     case __printf_buffer_mode_strfmon:
       __set_errno (E2BIG);
       __printf_buffer_mark_failed (buf);