Changeset 43 for vendor/libpng/pngtest.c

Timestamp:

02/15/10 11:37:15 (2 years ago)

Author:

Carsten

Message:

Upgraded vendor/libpng from 1.2.40 to 1.2.42.

Files:

• vendor/libpng/pngtest.c (modified) (59 diffs)

vendor/libpng/pngtest.c

@@ -2 +2 @@
 /* pngtest.c - a simple test program to test libpng
  *
- * Last changed in libpng 1.2.37 [June 4, 2009]
+ * Last changed in libpng 1.2.41 [December 3, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -32 +32 @@
  */
 
+#define PNG_PEDANTIC_WARNINGS
 #include "png.h"
 
-#if defined(_WIN32_WCE)
+#ifdef _WIN32_WCE
 #  if _WIN32_WCE < 211
      __error__ (f|w)printf functions are not supported on old WindowsCE.;
@@ -55 +56 @@
 #endif
 
-#if defined(PNG_NO_STDIO)
-#  if defined(_WIN32_WCE)
+#ifndef PNG_STDIO_SUPPORTED
+#  ifdef _WIN32_WCE
      typedef HANDLE                png_FILE_p;
 #  else
@@ -76 +77 @@
 */
 
-#ifdef PNG_NO_FLOATING_POINT_SUPPORTED
+#ifndef PNG_FLOATING_POINT_SUPPORTED
 #undef PNGTEST_TIMING
 #endif
@@ -85 +86 @@
 #endif
 
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
+#ifdef PNG_TIME_RFC1123_SUPPORTED
 #define PNG_tIME_STRING_LENGTH 29
 static int tIME_chunk_present = 0;
@@ -163 +164 @@
 
 
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
 /* Example of using user transform callback (we don't transform anything,
  * but merely examine the row filters.  We set this to 256 rather than
@@ -185 +186 @@
 #endif
 
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
 /* Example of using user transform callback (we don't transform anything,
  * but merely count the zero samples)
@@ -298 +299 @@
 static int wrote_question = 0;
 
-#if defined(PNG_NO_STDIO)
+#ifndef PNG_STDIO_SUPPORTED
 /* START of code to validate stdio-free compilation */
 /* These copies of the default read/write functions come from pngrio.c and
@@ -312 +313 @@
 pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
 {
-   png_size_t check;
+   png_size_t check = 0;
+   png_voidp io_ptr;
 
    /* fread() returns 0 on error, so it is OK to store this in a png_size_t
     * instead of an int, which is what fread() actually returns.
     */
-   READFILE((png_FILE_p)png_ptr->io_ptr, data, length, check);
+   io_ptr = png_get_io_ptr(png_ptr);
+   if (io_ptr != NULL)
+   {
+      READFILE((png_FILE_p)io_ptr, data, length, check);
+   }
 
    if (check != length)
@@ -372 +378 @@
 #endif /* USE_FAR_KEYWORD */
 
-#if defined(PNG_WRITE_FLUSH_SUPPORTED)
+#ifdef PNG_WRITE_FLUSH_SUPPORTED
 static void
 pngtest_flush(png_structp png_ptr)
@@ -457 +463 @@
 {
    PNG_CONST char *name = "UNKNOWN (ERROR!)";
-   if (png_ptr != NULL && png_ptr->error_ptr != NULL)
-      name = png_ptr->error_ptr;
-   fprintf(STDERR, "%s: libpng warning: %s\n", name, message);
+   char *test;
+   test = png_get_error_ptr(png_ptr);
+   if (test == NULL)
+     fprintf(STDERR, "%s: libpng warning: %s\n", name, message);
+   else
+     fprintf(STDERR, "%s: libpng warning: %s\n", test, message);
 }
 
@@ -475 +484 @@
     */
 }
-#endif /* PNG_NO_STDIO */
+#endif /* !PNG_STDIO_SUPPORTED */
 /* END of code to validate stdio-free compilation */
 
@@ -608 +617 @@
 
 /* Demonstration of user chunk support of the sTER and vpAg chunks */
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
 
 /* (sTER is a public chunk not yet known by libpng.  vpAg is a private
@@ -702 +711 @@
 #endif
 
-#if defined(_WIN32_WCE)
+#ifdef _WIN32_WCE
    TCHAR path[MAX_PATH];
 #endif
@@ -709 +718 @@
    row_buf = NULL;
 
-#if defined(_WIN32_WCE)
+#ifdef _WIN32_WCE
    MultiByteToWideChar(CP_ACP, 0, inname, -1, path, MAX_PATH);
    if ((fpin = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE)
@@ -720 +729 @@
    }
 
-#if defined(_WIN32_WCE)
+#ifdef _WIN32_WCE
    MultiByteToWideChar(CP_ACP, 0, outname, -1, path, MAX_PATH);
    if ((fpout = CreateFile(path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL)) == INVALID_HANDLE_VALUE)
@@ -743 +752 @@
       png_error_ptr_NULL, png_error_ptr_NULL);
 #endif
-#if defined(PNG_NO_STDIO)
+#ifndef PNG_STDIO_SUPPORTED
    png_set_error_fn(read_ptr, (png_voidp)inname, pngtest_error,
        pngtest_warning);
 #endif
 
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
    user_chunk_data[0] = 0;
    user_chunk_data[1] = 0;
@@ -768 +777 @@
       png_error_ptr_NULL, png_error_ptr_NULL);
 #endif
-#if defined(PNG_NO_STDIO)
+#ifndef PNG_STDIO_SUPPORTED
    png_set_error_fn(write_ptr, (png_voidp)inname, pngtest_error,
        pngtest_warning);
@@ -830 +839 @@
 
    png_debug(0, "Initializing input and output streams");
-#if !defined(PNG_NO_STDIO)
+#ifdef PNG_STDIO_SUPPORTED
    png_init_io(read_ptr, fpin);
 #  ifdef PNG_WRITE_SUPPORTED
@@ -839 +848 @@
 #  ifdef PNG_WRITE_SUPPORTED
    png_set_write_fn(write_ptr, (png_voidp)fpout,  pngtest_write_data,
-#    if defined(PNG_WRITE_FLUSH_SUPPORTED)
+#    ifdef PNG_WRITE_FLUSH_SUPPORTED
       pngtest_flush);
 #    else
@@ -861 +870 @@
    }
 
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
    {
       int i;
@@ -869 +878 @@
    }
 #endif
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
    zero_samples = 0;
    png_set_write_user_transform_fn(write_ptr, count_zero_samples);
 #endif
 
-#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
+#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
 #  ifndef PNG_HANDLE_CHUNK_ALWAYS
 #    define PNG_HANDLE_CHUNK_ALWAYS       3
@@ -881 +890 @@
       png_bytep_NULL, 0);
 #endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
+#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
 #  ifndef PNG_HANDLE_CHUNK_IF_SAFE
 #    define PNG_HANDLE_CHUNK_IF_SAFE      2
@@ -900 +909 @@
       {
          png_set_IHDR(write_ptr, write_info_ptr, width, height, bit_depth,
-#if defined(PNG_WRITE_INTERLACING_SUPPORTED)
+#ifdef PNG_WRITE_INTERLACING_SUPPORTED
             color_type, interlace_type, compression_type, filter_type);
 #else
@@ -907 +916 @@
       }
    }
-#if defined(PNG_FIXED_POINT_SUPPORTED)
-#if defined(PNG_cHRM_SUPPORTED)
+#ifdef PNG_FIXED_POINT_SUPPORTED
+#ifdef PNG_cHRM_SUPPORTED
    {
       png_fixed_point white_x, white_y, red_x, red_y, green_x, green_y, blue_x,
@@ -920 +929 @@
    }
 #endif
-#if defined(PNG_gAMA_SUPPORTED)
+#ifdef PNG_gAMA_SUPPORTED
    {
       png_fixed_point gamma;
@@ -929 +938 @@
 #endif
 #else /* Use floating point versions */
-#if defined(PNG_FLOATING_POINT_SUPPORTED)
-#if defined(PNG_cHRM_SUPPORTED)
+#ifdef PNG_FLOATING_POINT_SUPPORTED
+#ifdef PNG_cHRM_SUPPORTED
    {
       double white_x, white_y, red_x, red_y, green_x, green_y, blue_x,
@@ -942 +951 @@
    }
 #endif
-#if defined(PNG_gAMA_SUPPORTED)
+#ifdef PNG_gAMA_SUPPORTED
    {
       double gamma;
@@ -952 +961 @@
 #endif /* Floating point */
 #endif /* Fixed point */
-#if defined(PNG_iCCP_SUPPORTED)
+#ifdef PNG_iCCP_SUPPORTED
    {
       png_charp name;
@@ -967 +976 @@
    }
 #endif
-#if defined(PNG_sRGB_SUPPORTED)
+#ifdef PNG_sRGB_SUPPORTED
    {
       int intent;
@@ -982 +991 @@
          png_set_PLTE(write_ptr, write_info_ptr, palette, num_palette);
    }
-#if defined(PNG_bKGD_SUPPORTED)
+#ifdef PNG_bKGD_SUPPORTED
    {
       png_color_16p background;
@@ -992 +1001 @@
    }
 #endif
-#if defined(PNG_hIST_SUPPORTED)
+#ifdef PNG_hIST_SUPPORTED
    {
       png_uint_16p hist;
@@ -1000 +1009 @@
    }
 #endif
-#if defined(PNG_oFFs_SUPPORTED)
+#ifdef PNG_oFFs_SUPPORTED
    {
       png_int_32 offset_x, offset_y;
@@ -1012 +1021 @@
    }
 #endif
-#if defined(PNG_pCAL_SUPPORTED)
+#ifdef PNG_pCAL_SUPPORTED
    {
       png_charp purpose, units;
@@ -1027 +1036 @@
    }
 #endif
-#if defined(PNG_pHYs_SUPPORTED)
+#ifdef PNG_pHYs_SUPPORTED
    {
       png_uint_32 res_x, res_y;
@@ -1036 +1045 @@
    }
 #endif
-#if defined(PNG_sBIT_SUPPORTED)
+#ifdef PNG_sBIT_SUPPORTED
    {
       png_color_8p sig_bit;
@@ -1044 +1053 @@
    }
 #endif
-#if defined(PNG_sCAL_SUPPORTED)
+#ifdef PNG_sCAL_SUPPORTED
 #ifdef PNG_FLOATING_POINT_SUPPORTED
    {
@@ -1071 +1080 @@
 #endif
 #endif
-#if defined(PNG_TEXT_SUPPORTED)
+#ifdef PNG_TEXT_SUPPORTED
    {
       png_textp text_ptr;
@@ -1083 +1092 @@
    }
 #endif
-#if defined(PNG_tIME_SUPPORTED)
+#ifdef PNG_tIME_SUPPORTED
    {
       png_timep mod_time;
@@ -1090 +1099 @@
       {
          png_set_tIME(write_ptr, write_info_ptr, mod_time);
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
+#ifdef PNG_TIME_RFC1123_SUPPORTED
          /* We have to use png_memcpy instead of "=" because the string
           * pointed to by png_convert_to_rfc1123() gets free'ed before
@@ -1104 +1113 @@
    }
 #endif
-#if defined(PNG_tRNS_SUPPORTED)
+#ifdef PNG_tRNS_SUPPORTED
    {
       png_bytep trans;
@@ -1113 +1122 @@
          &trans_values))
       {
-         int sample_max = (1 << read_info_ptr->bit_depth);
+         int sample_max = (1 << bit_depth);
          /* libpng doesn't reject a tRNS chunk with out-of-range samples */
-         if (!((read_info_ptr->color_type == PNG_COLOR_TYPE_GRAY &&
+         if (!((color_type == PNG_COLOR_TYPE_GRAY &&
              (int)trans_values->gray > sample_max) ||
-             (read_info_ptr->color_type == PNG_COLOR_TYPE_RGB &&
+             (color_type == PNG_COLOR_TYPE_RGB &&
              ((int)trans_values->red > sample_max ||
              (int)trans_values->green > sample_max ||
@@ -1126 +1135 @@
    }
 #endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
+#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
    {
       png_unknown_chunkp unknowns;
@@ -1155 +1164 @@
    png_write_info(write_ptr, write_info_ptr);
 
-#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED)
+#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
    if (user_chunk_data[0] != 0)
    {
@@ -1249 +1258 @@
    }
 
-#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
+#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
    png_free_data(read_ptr, read_info_ptr, PNG_FREE_UNKN, -1);
 #endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
+#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
    png_free_data(write_ptr, write_info_ptr, PNG_FREE_UNKN, -1);
 #endif
@@ -1259 +1268 @@
 
    png_read_end(read_ptr, end_info_ptr);
-#if defined(PNG_TEXT_SUPPORTED)
+#ifdef PNG_TEXT_SUPPORTED
    {
       png_textp text_ptr;
@@ -1271 +1280 @@
    }
 #endif
-#if defined(PNG_tIME_SUPPORTED)
+#ifdef PNG_tIME_SUPPORTED
    {
       png_timep mod_time;
@@ -1278 +1287 @@
       {
          png_set_tIME(write_ptr, write_end_info_ptr, mod_time);
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
+#ifdef PNG_TIME_RFC1123_SUPPORTED
          /* We have to use png_memcpy instead of "=" because the string
             pointed to by png_convert_to_rfc1123() gets free'ed before
@@ -1291 +1300 @@
    }
 #endif
-#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED)
+#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
    {
       png_unknown_chunkp unknowns;
@@ -1347 +1356 @@
 
    png_debug(0, "Opening files for comparison");
-#if defined(_WIN32_WCE)
+#ifdef _WIN32_WCE
    MultiByteToWideChar(CP_ACP, 0, inname, -1, path, MAX_PATH);
    if ((fpin = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE)
@@ -1358 +1367 @@
    }
 
-#if defined(_WIN32_WCE)
+#ifdef _WIN32_WCE
    MultiByteToWideChar(CP_ACP, 0, outname, -1, path, MAX_PATH);
    if ((fpout = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE)
@@ -1528 +1537 @@
       for (i=2; i<argc; ++i)
       {
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
          int k;
 #endif
@@ -1536 +1545 @@
          if (kerror == 0)
          {
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
             fprintf(STDERR, "\n PASS (%lu zero samples)\n",
                (unsigned long)zero_samples);
@@ -1542 +1551 @@
             fprintf(STDERR, " PASS\n");
 #endif
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
             for (k = 0; k<256; k++)
                if (filters_used[k])
@@ -1548 +1557 @@
                      k, (unsigned long)filters_used[k]);
 #endif
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
+#ifdef PNG_TIME_RFC1123_SUPPORTED
          if (tIME_chunk_present != 0)
             fprintf(STDERR, " tIME = %s\n", tIME_string);
@@ -1608 +1617 @@
             if (verbose == 1 || i == 2)
             {
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
                 int k;
 #endif
-#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
                 fprintf(STDERR, "\n PASS (%lu zero samples)\n",
                    (unsigned long)zero_samples);
@@ -1617 +1626 @@
                 fprintf(STDERR, " PASS\n");
 #endif
-#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
+#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
                 for (k = 0; k<256; k++)
                    if (filters_used[k])
@@ -1624 +1633 @@
                          (unsigned long)filters_used[k]);
 #endif
-#if defined(PNG_TIME_RFC1123_SUPPORTED)
+#ifdef PNG_TIME_RFC1123_SUPPORTED
              if (tIME_chunk_present != 0)
                 fprintf(STDERR, " tIME = %s\n", tIME_string);
@@ -1690 +1699 @@
 
 /* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_40 your_png_h_is_not_version_1_2_40;
+typedef version_1_2_42 your_png_h_is_not_version_1_2_42;