src/java.desktop/share/native/libsplashscreen/libpng/pngset.c

@@ -27,11 +27,11 @@
  * This file is available under and governed by the GNU General Public
  * License version 2 only, as published by the Free Software Foundation.
  * However, the following notice accompanied the original version of this
  * file and, per its terms, should not be removed:
  *
- * Last changed in libpng 1.6.23 [June 9, 2016]
+ * Last changed in libpng 1.6.26 [October 20, 2016]
  * Copyright (c) 1998-2016 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
  * This code is released under the libpng license.

@@ -309,30 +309,42 @@
 
    /* TODO: validate format of calibration name and unit name */
 
    /* Check that the type matches the specification. */
    if (type < 0 || type > 3)
-      png_error(png_ptr, "Invalid pCAL equation type");
+   {
+      png_chunk_report(png_ptr, "Invalid pCAL equation type",
+            PNG_CHUNK_WRITE_ERROR);
+      return;
+   }
 
    if (nparams < 0 || nparams > 255)
-      png_error(png_ptr, "Invalid pCAL parameter count");
+   {
+      png_chunk_report(png_ptr, "Invalid pCAL parameter count",
+            PNG_CHUNK_WRITE_ERROR);
+      return;
+   }
 
    /* Validate params[nparams] */
    for (i=0; i<nparams; ++i)
    {
       if (params[i] == NULL ||
           !png_check_fp_string(params[i], strlen(params[i])))
-         png_error(png_ptr, "Invalid format for pCAL parameter");
+      {
+         png_chunk_report(png_ptr, "Invalid format for pCAL parameter",
+               PNG_CHUNK_WRITE_ERROR);
+         return;
+      }
    }
 
    info_ptr->pcal_purpose = png_voidcast(png_charp,
        png_malloc_warn(png_ptr, length));
 
    if (info_ptr->pcal_purpose == NULL)
    {
-      png_warning(png_ptr, "Insufficient memory for pCAL purpose");
-
+      png_chunk_report(png_ptr, "Insufficient memory for pCAL purpose",
+            PNG_CHUNK_WRITE_ERROR);
       return;
    }
 
    memcpy(info_ptr->pcal_purpose, purpose, length);
 

@@ -357,20 +369,21 @@
    }
 
    memcpy(info_ptr->pcal_units, units, length);
 
    info_ptr->pcal_params = png_voidcast(png_charpp, png_malloc_warn(png_ptr,
-       (png_size_t)((nparams + 1) * (sizeof (png_charp)))));
+       (png_size_t)(((unsigned int)nparams + 1) * (sizeof (png_charp)))));
 
    if (info_ptr->pcal_params == NULL)
    {
       png_warning(png_ptr, "Insufficient memory for pCAL params");
 
       return;
    }
 
-   memset(info_ptr->pcal_params, 0, (nparams + 1) * (sizeof (png_charp)));
+   memset(info_ptr->pcal_params, 0, ((unsigned int)nparams + 1) *
+       (sizeof (png_charp)));
 
    for (i = 0; i < nparams; i++)
    {
       length = strlen(params[i]) + 1;
       png_debug2(3, "allocating parameter %d for info (%lu bytes)", i,

@@ -589,11 +602,12 @@
     */
    png_ptr->palette = png_voidcast(png_colorp, png_calloc(png_ptr,
        PNG_MAX_PALETTE_LENGTH * (sizeof (png_color))));
 
    if (num_palette > 0)
-      memcpy(png_ptr->palette, palette, num_palette * (sizeof (png_color)));
+      memcpy(png_ptr->palette, palette, (unsigned int)num_palette *
+          (sizeof (png_color)));
    info_ptr->palette = png_ptr->palette;
    info_ptr->num_palette = png_ptr->num_palette = (png_uint_16)num_palette;
 
    info_ptr->free_me |= PNG_FREE_PLTE;
 

@@ -1106,11 +1120,11 @@
       np->nentries = entries->nentries;
       /* This multiply can't overflow because png_malloc_array has already
        * checked it when doing the allocation.
        */
       memcpy(np->entries, entries->entries,
-         entries->nentries * sizeof (png_sPLT_entry));
+          (unsigned int)entries->nentries * sizeof (png_sPLT_entry));
 
       /* Note that 'continue' skips the advance of the out pointer and out
        * count, so an invalid entry is not added.
        */
       info_ptr->valid |= PNG_INFO_sPLT;

@@ -1275,11 +1289,11 @@
    {
       if ((location & (PNG_HAVE_IHDR|PNG_HAVE_PLTE|PNG_AFTER_IDAT)) == 0)
       {
          png_app_error(png_ptr, "invalid unknown chunk location");
          /* Fake out the pre 1.6.0 behavior: */
-         if ((location & PNG_HAVE_IDAT) != 0) /* undocumented! */
+         if (((unsigned int)location & PNG_HAVE_IDAT) != 0) /* undocumented! */
             location = PNG_AFTER_IDAT;
 
          else
             location = PNG_HAVE_IHDR; /* also undocumented */
       }

@@ -1399,11 +1413,11 @@
          png_app_error(png_ptr, "png_set_keep_unknown_chunks: no chunk list");
 
          return;
       }
 
-      num_chunks = num_chunks_in;
+      num_chunks = (unsigned int)num_chunks_in;
    }
 
    old_num_chunks = png_ptr->num_chunk_list;
    if (png_ptr->chunk_list == NULL)
       old_num_chunks = 0;

@@ -1589,11 +1603,11 @@
 
 void PNGAPI
 png_set_invalid(png_const_structrp png_ptr, png_inforp info_ptr, int mask)
 {
    if (png_ptr != NULL && info_ptr != NULL)
-      info_ptr->valid &= ~mask;
+      info_ptr->valid &= (unsigned int)(~mask);
 }
 
 
 #ifdef PNG_SET_USER_LIMITS_SUPPORTED
 /* This function was added to libpng 1.2.6 */

@@ -1688,11 +1702,13 @@
  * valid one could not be generated, and the caller must png_error.
  */
 png_uint_32 /* PRIVATE */
 png_check_keyword(png_structrp png_ptr, png_const_charp key, png_bytep new_key)
 {
+#ifdef PNG_WARNINGS_SUPPORTED
    png_const_charp orig_key = key;
+#endif
    png_uint_32 key_len = 0;
    int bad_character = 0;
    int space = 1;
 
    png_debug(1, "in png_check_keyword");

@@ -1751,11 +1767,13 @@
       png_warning_parameter(p, 1, orig_key);
       png_warning_parameter_signed(p, 2, PNG_NUMBER_FORMAT_02x, bad_character);
 
       png_formatted_warning(png_ptr, p, "keyword \"@1\": bad character '0x@2'");
    }
-#endif /* WARNINGS */
+#else /* !WARNINGS */
+   PNG_UNUSED(png_ptr)
+#endif /* !WARNINGS */
 
    return key_len;
 }
 #endif /* TEXT || pCAL || iCCP || sPLT */
 #endif /* READ || WRITE */