Re: [PATCH spice-server 11/11] lz4-encoder: Use GLib memory functions

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Can you explain briefly in the commit log about why you chose to change
the types?

Acked-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>


On Mon, 2017-09-11 at 16:15 +0100, Frediano Ziglio wrote:
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
>  server/lz4-encoder.c | 21 +++++++++++----------
>  1 file changed, 11 insertions(+), 10 deletions(-)
> 
> diff --git a/server/lz4-encoder.c b/server/lz4-encoder.c
> index fe736d272..ca9b1b825 100644
> --- a/server/lz4-encoder.c
> +++ b/server/lz4-encoder.c
> @@ -53,7 +53,8 @@ int lz4_encode(Lz4EncoderContext *lz4, int height,
> int stride, uint8_t *io_ptr,
>      int num_lines = 0;
>      int total_lines = 0;
>      int in_size, enc_size, out_size, already_copied;
> -    uint8_t *in_buf, *compressed_lines;
> +    const char *in_buf;
> +    char *compressed_lines;
>      uint8_t *out_buf = io_ptr;
>      LZ4_stream_t *stream = LZ4_createStream();
>  
> @@ -70,22 +71,22 @@ int lz4_encode(Lz4EncoderContext *lz4, int
> height, int stride, uint8_t *io_ptr,
>              LZ4_freeStream(stream);
>              return 0;
>          }
> -        in_buf = lines;
> +        in_buf = (const char *) lines;
>          in_size = stride * num_lines;
>          lines += in_size;
>          int bound_size = LZ4_compressBound(in_size);
> -        compressed_lines = (uint8_t *) malloc(bound_size + 4);
> +        compressed_lines = g_new(char, bound_size + 4);
>  #ifdef HAVE_LZ4_COMPRESS_FAST_CONTINUE
> -        enc_size = LZ4_compress_fast_continue(stream, (const char *)
> in_buf,
> -                                              (char *)
> compressed_lines + 4, in_size,
> +        enc_size = LZ4_compress_fast_continue(stream, in_buf,
> +                                              compressed_lines + 4,
> in_size,
>                                                bound_size, 1);
>  #else
> -        enc_size = LZ4_compress_continue(stream, (const char *)
> in_buf,
> -                                         (char *) compressed_lines +
> 4, in_size);
> +        enc_size = LZ4_compress_continue(stream, in_buf,
> +                                         compressed_lines + 4,
> in_size);
>  #endif
>          if (enc_size <= 0) {
>              spice_error("compress failed!");
> -            free(compressed_lines);
> +            g_free(compressed_lines);
>              LZ4_freeStream(stream);
>              return 0;
>          }
> @@ -100,7 +101,7 @@ int lz4_encode(Lz4EncoderContext *lz4, int
> height, int stride, uint8_t *io_ptr,
>              num_io_bytes = enc->usr->more_space(enc->usr, &io_ptr);
>              if (num_io_bytes <= 0) {
>                  spice_error("more space failed");
> -                free(compressed_lines);
> +                g_free(compressed_lines);
>                  LZ4_freeStream(stream);
>                  return 0;
>              }
> @@ -110,7 +111,7 @@ int lz4_encode(Lz4EncoderContext *lz4, int
> height, int stride, uint8_t *io_ptr,
>          out_buf += enc_size;
>          num_io_bytes -= enc_size;
>  
> -        free(compressed_lines);
> +        g_free(compressed_lines);
>          total_lines += num_lines;
>      } while (total_lines < height);
>  
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