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Fix the API comment about png_data_freer

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The old note about this function being unlikely to work correctly was
likely incorrect.
This commit is contained in:
Cosmin Truta 2024-01-03 21:13:59 +02:00
parent 0dfe422e9f
commit 6abf8c1e91
2 changed files with 2 additions and 6 deletions
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1
png.c
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@ -447,7 +447,6 @@ png_info_init_3,(png_infopp ptr_ptr, size_t png_info_struct_size),
memset(info_ptr, 0, (sizeof *info_ptr)); memset(info_ptr, 0, (sizeof *info_ptr));
} }
/* The following API is not called internally */
void PNGAPI void PNGAPI
png_data_freer(png_const_structrp png_ptr, png_inforp info_ptr, png_data_freer(png_const_structrp png_ptr, png_inforp info_ptr,
int freer, png_uint_32 mask) int freer, png_uint_32 mask)

7
png.h
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@ -1730,12 +1730,9 @@ PNG_EXPORT(97, void, png_free, (png_const_structrp png_ptr, png_voidp ptr));
PNG_EXPORT(98, void, png_free_data, (png_const_structrp png_ptr, PNG_EXPORT(98, void, png_free_data, (png_const_structrp png_ptr,
png_inforp info_ptr, png_uint_32 free_me, int num)); png_inforp info_ptr, png_uint_32 free_me, int num));
/* Reassign responsibility for freeing existing data, whether allocated /* Reassign the responsibility for freeing existing data, whether allocated
* by libpng or by the application; this works on the png_info structure passed * by libpng or by the application; this works on the png_info structure passed
* in, it does not change the state for other png_info structures. * in, without changing the state for other png_info structures.
*
* It is unlikely that this function works correctly as of 1.6.0 and using it
* may result either in memory leaks or double free of allocated data.
*/ */
PNG_EXPORT(99, void, png_data_freer, (png_const_structrp png_ptr, PNG_EXPORT(99, void, png_data_freer, (png_const_structrp png_ptr,
png_inforp info_ptr, int freer, png_uint_32 mask)); png_inforp info_ptr, int freer, png_uint_32 mask));