Imported from libpng-1.0.5s.tar
diff --git a/pngset.c b/pngset.c
index 011f459..660cb61 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
- * libpng 1.0.5q - February 5, 2000
+ * libpng 1.0.5s - February 18, 2000
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
* Copyright (c) 1996, 1997 Andreas Dilger
@@ -135,9 +135,7 @@
if (png_ptr == NULL || info_ptr == NULL)
return;
- info_ptr->hist = png_malloc(png_ptr, sizeof(png_uint_16) *
- info_ptr->num_palette);
- png_memcpy(info_ptr->hist, hist, sizeof(png_uint_16) * info_ptr->num_palette);
+ info_ptr->hist = hist;
info_ptr->valid |= PNG_INFO_hIST;
}
#endif
@@ -309,7 +307,6 @@
png_set_PLTE(png_structp png_ptr, png_infop info_ptr,
png_colorp palette, int num_palette)
{
- png_size_t length = (png_size_t)(3*num_palette);
png_debug1(1, "in %s storage function\n", "PLTE");
if (png_ptr == NULL || info_ptr == NULL)
@@ -317,13 +314,10 @@
png_debug1(3, "allocating PLTE for info (%d bytes)\n", length);
- info_ptr->palette = (png_colorp)png_zalloc(png_ptr, (uInt)num_palette,
- sizeof (png_color));
-
- png_memcpy(info_ptr->palette, palette, length);
+ info_ptr->palette = palette;
info_ptr->num_palette = (png_uint_16)num_palette;
- info_ptr->valid |= (PNG_INFO_PLTE|PNG_ALLOCATED_INFO_PLTE);
+ info_ptr->valid |= PNG_INFO_PLTE;
}
#if defined(PNG_sBIT_SUPPORTED)
@@ -441,6 +435,7 @@
/* Compression is always zero but is here so the API and info structure
* does not have to change * if we introduce multiple compression types */
info_ptr->iccp_compression = (png_byte)compression_type;
+ info_ptr->free_me |= PNG_FREE_ICCP;
info_ptr->valid |= PNG_INFO_iCCP;
}
#endif
@@ -526,8 +521,6 @@
textp->key = (png_charp)png_malloc(png_ptr,
(png_uint_32)(key_len + lang_len + lang_key_len + text_length + 4));
- /* Caution: the calling program, not libpng, is responsible for
- freeing this, if libpng wasn't the caller. */
png_debug2(2, "Allocated %d bytes at %x in png_set_text\n",
key_len + lang_len + lang_key_len + text_length + 4, textp->key);
@@ -573,6 +566,7 @@
info_ptr->text[info_ptr->num_text]= *textp;
info_ptr->num_text++;
+ info_ptr->free_me |= PNG_FREE_TEXT;
png_debug1(3, "transferred text chunk %d\n", info_ptr->num_text);
}
}
@@ -602,10 +596,7 @@
return;
if (trans != NULL)
- {
- info_ptr->trans = png_malloc(png_ptr, num_trans);
- png_memcpy(info_ptr->trans, trans, num_trans);
- }
+ info_ptr->trans = trans;
if (trans_values != NULL)
{
@@ -621,7 +612,7 @@
#if defined(PNG_sPLT_SUPPORTED)
void
-png_set_spalettes(png_structp png_ptr,
+png_set_sPLT(png_structp png_ptr,
png_infop info_ptr, png_spalette_p entries, int nentries)
{
png_spalette_p np;
@@ -653,6 +644,7 @@
info_ptr->splt_palettes = np;
info_ptr->splt_palettes_num += nentries;
info_ptr->valid |= PNG_INFO_sPLT;
+ info_ptr->free_me |= PNG_FREE_SPLT;
}
#endif /* PNG_sPLT_SUPPORTED */
@@ -691,6 +683,7 @@
info_ptr->unknown_chunks = np;
info_ptr->unknown_chunks_num += num_unknowns;
+ info_ptr->free_me |= PNG_FREE_UNKN;
}
#endif
@@ -732,13 +725,14 @@
if(png_ptr->chunk_list != (png_bytep)NULL)
{
png_memcpy(new_list, png_ptr->chunk_list, 5*old_num_chunks);
- png_free_chunk_list(png_ptr);
+ png_free(png_ptr, png_ptr->chunk_list);
}
png_memcpy(new_list+5*old_num_chunks, chunk_list, 5*num_chunks);
for (p=new_list+5*old_num_chunks+4, i=0; i<num_chunks; i++, p+=5)
*p=(png_byte)keep;
png_ptr->num_chunk_list=old_num_chunks+num_chunks;
png_ptr->chunk_list=new_list;
+ png_ptr->free_me |= PNG_FREE_LIST;
}
#endif
@@ -753,3 +747,16 @@
}
#endif
+#if defined(PNG_INFO_IMAGE_SUPPORTED)
+void
+png_set_rows(png_structp png_ptr, png_infop info_ptr, png_bytepp row_pointers)
+{
+ png_debug1(1, "in %s storage function\n", "rows");
+ if (png_ptr == NULL || info_ptr == NULL)
+ return;
+
+ info_ptr->row_pointers = row_pointers;
+ info_ptr->free_me |= PNG_FREE_ROWS;
+}
+#endif
+