Cross Reference: /vbox/src/libs/libpng-1.2.8/pngpread.c

Lines Matching defs:chunk
194    /* First we make sure we have enough data for the 4 byte chunk name
195     * and the 4 byte chunk length before proceeding with decoding the
196     * chunk data.  To fully decode each of these chunks, we also make
198     * end of every chunk (except IDAT, which is handled separately).
272       /* If we reach an IDAT chunk, this means we have read all of the
1066       png_warning(png_ptr, "tEXt chunk too large to fit in memory");
1141         png_warning(png_ptr, "Insufficient memory to store text chunk.");
1165       png_warning(png_ptr, "zTXt chunk too large to fit in memory");
1334         png_warning(png_ptr, "Insufficient memory to store text chunk.");
1356       png_warning(png_ptr, "iTXt chunk too large to fit in memory");
1447         png_warning(png_ptr, "Insufficient memory to store iTXt chunk.");
1453  * chunk.  If there isn't a problem with the chunk itself (ie a bad chunk
1454  * name or a critical chunk), the chunk is (currently) silently ignored.
1473          png_chunk_error(png_ptr, "unknown critical chunk");
1483        png_unknown_chunk chunk;
1488            png_warning(png_ptr, "unknown chunk too large to fit in memory");
1494        png_strcpy((png_charp)chunk.name, (png_charp)png_ptr->chunk_name);
1495        chunk.data = (png_bytep)png_malloc(png_ptr, length);
1496        png_crc_read(png_ptr, chunk.data, length);
1497        chunk.size = length;
1501           /* callback to user unknown chunk handler */
1502           if ((*(png_ptr->read_user_chunk_fn)) (png_ptr, &chunk) <= 0)
1507                    png_chunk_error(png_ptr, "unknown critical chunk");
1509              png_set_unknown_chunks(png_ptr, info_ptr, &chunk, 1);
1513           png_set_unknown_chunks(png_ptr, info_ptr, &chunk, 1);
1514        png_free(png_ptr, chunk.data);