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Fix certain minimal config builds

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The removal of png_struct::row_buffer and png_struct::row_format from write
builds configured without filter or transform support (respectively) wasn't
complete; some of the png.c and pngwrite.c cleanup code needed to handle the
potentially removed members.

Signed-off-by: John Bowler <jbowler@acm.org>
This commit is contained in:
John Bowler
2015-11-22 20:34:00 -08:00
parent 504ebd427d
commit 368bb1b241
2 changed files with 7 additions and 3 deletions
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2
pngwrite.c
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@@ -1147,8 +1147,10 @@ png_write_destroy(png_structrp png_ptr)
/* Free our memory. png_free checks NULL for us. */
png_free_buffer_list(png_ptr, &png_ptr->zbuffer_list);
#ifdef PNG_WRITE_FILTER_SUPPORTED
png_free(png_ptr, png_ptr->row_buffer);
png_ptr->row_buffer = NULL;
#endif /* WRITE_FILTER */
#ifdef PNG_TRANSFORM_MECH_SUPPORTED
png_transform_free(png_ptr, &png_ptr->transform_list);
#endif