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[devel] Eliminated PNG_NO_FREE_ME and PNG_FREE_ME_SUPPORTED macros

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They were only useful for obtaining compatibility for old applications
that used libpng-1.0.x versions prior to the implementation of "free_me".
This commit is contained in:
Glenn Randers-Pehrson
2009-08-31 09:02:37 -05:00
parent dbd4014239
commit 0af5378d4d
5 changed files with 7 additions and 110 deletions
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53
png.c
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@@ -288,7 +288,6 @@ png_info_init_3(png_infopp ptr_ptr, png_size_t png_info_struct_size)
png_memset(info_ptr, 0, png_sizeof(png_info));
}
#ifdef PNG_FREE_ME_SUPPORTED
void PNGAPI
png_data_freer(png_structp png_ptr, png_infop info_ptr,
int freer, png_uint_32 mask)
@@ -306,7 +305,6 @@ png_data_freer(png_structp png_ptr, png_infop info_ptr,
png_warning(png_ptr,
"Unknown freer parameter in png_data_freer");
}
#endif
void PNGAPI
png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
@@ -319,11 +317,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
#if defined(PNG_TEXT_SUPPORTED)
/* Free text item num or (if num == -1) all text items */
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_TEXT) & info_ptr->free_me)
#else
if (mask & PNG_FREE_TEXT)
#endif
{
if (num != -1)
{
@@ -347,28 +341,17 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
#if defined(PNG_tRNS_SUPPORTED)
/* Free any tRNS entry */
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_TRNS) & info_ptr->free_me)
#else
if ((mask & PNG_FREE_TRNS) && (png_ptr->flags & PNG_FLAG_FREE_TRNS))
#endif
{
png_free(png_ptr, info_ptr->trans_alpha);
info_ptr->trans_alpha = NULL;
info_ptr->valid &= ~PNG_INFO_tRNS;
#ifndef PNG_FREE_ME_SUPPORTED
png_ptr->flags &= ~PNG_FLAG_FREE_TRNS;
#endif
}
#endif
#if defined(PNG_sCAL_SUPPORTED)
/* Free any sCAL entry */
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_SCAL) & info_ptr->free_me)
#else
if (mask & PNG_FREE_SCAL)
#endif
{
#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED)
png_free(png_ptr, info_ptr->scal_s_width);
@@ -382,11 +365,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
#if defined(PNG_pCAL_SUPPORTED)
/* Free any pCAL entry */
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_PCAL) & info_ptr->free_me)
#else
if (mask & PNG_FREE_PCAL)
#endif
{
png_free(png_ptr, info_ptr->pcal_purpose);
png_free(png_ptr, info_ptr->pcal_units);
@@ -409,11 +388,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
#if defined(PNG_iCCP_SUPPORTED)
/* Free any iCCP entry */
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_ICCP) & info_ptr->free_me)
#else
if (mask & PNG_FREE_ICCP)
#endif
{
png_free(png_ptr, info_ptr->iccp_name);
png_free(png_ptr, info_ptr->iccp_profile);
@@ -425,11 +400,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
#if defined(PNG_sPLT_SUPPORTED)
/* Free a given sPLT entry, or (if num == -1) all sPLT entries */
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_SPLT) & info_ptr->free_me)
#else
if (mask & PNG_FREE_SPLT)
#endif
{
if (num != -1)
{
@@ -465,11 +436,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
png_ptr->unknown_chunk.data = NULL;
}
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_UNKN) & info_ptr->free_me)
#else
if (mask & PNG_FREE_UNKN)
#endif
{
if (num != -1)
{
@@ -498,44 +465,26 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
#if defined(PNG_hIST_SUPPORTED)
/* Free any hIST entry */
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_HIST) & info_ptr->free_me)
#else
if ((mask & PNG_FREE_HIST) && (png_ptr->flags & PNG_FLAG_FREE_HIST))
#endif
{
png_free(png_ptr, info_ptr->hist);
info_ptr->hist = NULL;
info_ptr->valid &= ~PNG_INFO_hIST;
#ifndef PNG_FREE_ME_SUPPORTED
png_ptr->flags &= ~PNG_FLAG_FREE_HIST;
#endif
}
#endif
/* Free any PLTE entry that was internally allocated */
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_PLTE) & info_ptr->free_me)
#else
if ((mask & PNG_FREE_PLTE) && (png_ptr->flags & PNG_FLAG_FREE_PLTE))
#endif
{
png_zfree(png_ptr, info_ptr->palette);
info_ptr->palette = NULL;
info_ptr->valid &= ~PNG_INFO_PLTE;
#ifndef PNG_FREE_ME_SUPPORTED
png_ptr->flags &= ~PNG_FLAG_FREE_PLTE;
#endif
info_ptr->num_palette = 0;
}
#if defined(PNG_INFO_IMAGE_SUPPORTED)
/* Free any image bits attached to the info structure */
#ifdef PNG_FREE_ME_SUPPORTED
if ((mask & PNG_FREE_ROWS) & info_ptr->free_me)
#else
if (mask & PNG_FREE_ROWS)
#endif
{
if (info_ptr->row_pointers)
{
@@ -550,12 +499,10 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask,
}
#endif
#ifdef PNG_FREE_ME_SUPPORTED
if (num == -1)
info_ptr->free_me &= ~mask;
else
info_ptr->free_me &= ~(mask & ~PNG_FREE_MUL);
#endif
}
/* This is an internal routine to free any memory that the info struct is