[PATCH spice-server 04/10] mjpeg: Reuse realloc instead of implementing it manually

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This potentially can also save the copy if there are enough
space to resize the buffer in place.

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/mjpeg-encoder.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/server/mjpeg-encoder.c b/server/mjpeg-encoder.c
index 15f5e1f2f..07ca69c20 100644
--- a/server/mjpeg-encoder.c
+++ b/server/mjpeg-encoder.c
@@ -278,15 +278,11 @@ static boolean empty_mem_output_buffer(j_compress_ptr cinfo)
 
   /* Try to allocate new buffer with double size */
   nextsize = dest->bufsize * 2;
-  nextbuffer = malloc(nextsize);
+  nextbuffer = realloc(dest->buffer, nextsize);
 
   if (nextbuffer == NULL)
     ERREXIT1(cinfo, JERR_OUT_OF_MEMORY, 10);
 
-  memcpy(nextbuffer, dest->buffer, dest->bufsize);
-
-  free(dest->buffer);
-
   dest->pub.next_output_byte = nextbuffer + dest->bufsize;
   dest->pub.free_in_buffer = dest->bufsize;
 
-- 
2.13.5

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