X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=gtkmm-osx%2Ftrunk%2Flibpng-1.2.5%2Fpngerror.c;fp=gtkmm-osx%2Ftrunk%2Flibpng-1.2.5%2Fpngerror.c;h=0000000000000000000000000000000000000000;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=fc3c304779cc240a3c0c2183d1dac06c37919c63;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/gtkmm-osx/trunk/libpng-1.2.5/pngerror.c b/gtkmm-osx/trunk/libpng-1.2.5/pngerror.c
deleted file mode 100644
index fc3c304..0000000
--- a/gtkmm-osx/trunk/libpng-1.2.5/pngerror.c
+++ /dev/null
@@ -1,291 +0,0 @@
-
-/* pngerror.c - stub functions for i/o and memory allocation
- *
- * libpng 1.2.5 - October 3, 2002
- * For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2002 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 file provides a location for all error handling.  Users who
- * need special error handling are expected to write replacement functions
- * and use png_set_error_fn() to use those functions.  See the instructions
- * at each function.
- */
-
-#define PNG_INTERNAL
-#include "png.h"
-
-static void /* PRIVATE */
-png_default_error PNGARG((png_structp png_ptr,
-  png_const_charp error_message));
-static void /* PRIVATE */
-png_default_warning PNGARG((png_structp png_ptr,
-  png_const_charp warning_message));
-
-/* This function is called whenever there is a fatal error.  This function
- * should not be changed.  If there is a need to handle errors differently,
- * you should supply a replacement error function and use png_set_error_fn()
- * to replace the error function at run-time.
- */
-void PNGAPI
-png_error(png_structp png_ptr, png_const_charp error_message)
-{
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
-   char msg[16];
-   if (png_ptr->flags&(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))
-   {
-     int offset = 0;
-     if (*error_message == '#')
-     {
-         for (offset=1; offset<15; offset++)
-            if (*(error_message+offset) == ' ')
-                break;
-         if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
-         {
-            int i;
-            for (i=0; i<offset-1; i++)
-               msg[i]=error_message[i+1];
-            msg[i]='\0';
-            error_message=msg;
-         }
-         else
-            error_message+=offset;
-     }
-     else
-     {
-         if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
-         {
-            msg[0]='0';        
-            msg[1]='\0';
-            error_message=msg;
-         }
-     }
-   }
-#endif
-   if (png_ptr->error_fn != NULL)
-      (*(png_ptr->error_fn))(png_ptr, error_message);
-
-   /* if the following returns or doesn't exist, use the default function,
-      which will not return */
-   png_default_error(png_ptr, error_message);
-}
-
-/* This function is called whenever there is a non-fatal error.  This function
- * should not be changed.  If there is a need to handle warnings differently,
- * you should supply a replacement warning function and use
- * png_set_error_fn() to replace the warning function at run-time.
- */
-void PNGAPI
-png_warning(png_structp png_ptr, png_const_charp warning_message)
-{
-     int offset = 0;
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
-   if (png_ptr->flags&(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))
-#endif
-   {
-     if (*warning_message == '#')
-     {
-         for (offset=1; offset<15; offset++)
-            if (*(warning_message+offset) == ' ')
-                break;
-     }
-   }
-   if (png_ptr->warning_fn != NULL)
-      (*(png_ptr->warning_fn))(png_ptr,
-         (png_const_charp)(warning_message+offset));
-   else
-      png_default_warning(png_ptr, (png_const_charp)(warning_message+offset));
-}
-
-/* These utilities are used internally to build an error message that relates
- * to the current chunk.  The chunk name comes from png_ptr->chunk_name,
- * this is used to prefix the message.  The message is limited in length
- * to 63 bytes, the name characters are output as hex digits wrapped in []
- * if the character is invalid.
- */
-#define isnonalpha(c) ((c) < 41 || (c) > 122 || ((c) > 90 && (c) < 97))
-static PNG_CONST char png_digit[16] = {
-   '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E',
-   'F' };
-
-static void /* PRIVATE */
-png_format_buffer(png_structp png_ptr, png_charp buffer, png_const_charp
-   error_message)
-{
-   int iout = 0, iin = 0;
-
-   while (iin < 4)
-   {
-      int c = png_ptr->chunk_name[iin++];
-      if (isnonalpha(c))
-      {
-         buffer[iout++] = '[';
-         buffer[iout++] = png_digit[(c & 0xf0) >> 4];
-         buffer[iout++] = png_digit[c & 0x0f];
-         buffer[iout++] = ']';
-      }
-      else
-      {
-         buffer[iout++] = (png_byte)c;
-      }
-   }
-
-   if (error_message == NULL)
-      buffer[iout] = 0;
-   else
-   {
-      buffer[iout++] = ':';
-      buffer[iout++] = ' ';
-      png_memcpy(buffer+iout, error_message, 64);
-      buffer[iout+63] = 0;
-   }
-}
-
-void PNGAPI
-png_chunk_error(png_structp png_ptr, png_const_charp error_message)
-{
-   char msg[18+64];
-   png_format_buffer(png_ptr, msg, error_message);
-   png_error(png_ptr, msg);
-}
-
-void PNGAPI
-png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
-{
-   char msg[18+64];
-   png_format_buffer(png_ptr, msg, warning_message);
-   png_warning(png_ptr, msg);
-}
-
-/* This is the default error handling function.  Note that replacements for
- * this function MUST NOT RETURN, or the program will likely crash.  This
- * function is used by default, or if the program supplies NULL for the
- * error function pointer in png_set_error_fn().
- */
-static void /* PRIVATE */
-png_default_error(png_structp png_ptr, png_const_charp error_message)
-{
-#ifndef PNG_NO_CONSOLE_IO
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
-   if (*error_message == '#')
-   {
-     int offset;
-     char error_number[16];
-     for (offset=0; offset<15; offset++)
-     {
-         error_number[offset] = *(error_message+offset+1);
-         if (*(error_message+offset) == ' ')
-             break;
-     }
-     if((offset > 1) && (offset < 15))
-     {
-       error_number[offset-1]='\0';
-       fprintf(stderr, "libpng error no. %s: %s\n", error_number,
-          error_message+offset);
-     }
-     else
-       fprintf(stderr, "libpng error: %s, offset=%d\n", error_message,offset);
-   }
-   else
-#endif
-   fprintf(stderr, "libpng error: %s\n", error_message);
-#else
-   if (error_message)
-     /* make compiler happy */ ;
-#endif
-
-#ifdef PNG_SETJMP_SUPPORTED
-#  ifdef USE_FAR_KEYWORD
-   {
-      jmp_buf jmpbuf;
-      png_memcpy(jmpbuf,png_ptr->jmpbuf,sizeof(jmp_buf));
-      longjmp(jmpbuf, 1);
-   }
-#  else
-   longjmp(png_ptr->jmpbuf, 1);
-# endif
-#else
-   if (png_ptr)
-     /* make compiler happy */ ;
-   PNG_ABORT();
-#endif
-}
-
-/* This function is called when there is a warning, but the library thinks
- * it can continue anyway.  Replacement functions don't have to do anything
- * here if you don't want them to.  In the default configuration, png_ptr is
- * not used, but it is passed in case it may be useful.
- */
-static void /* PRIVATE */
-png_default_warning(png_structp png_ptr, png_const_charp warning_message)
-{
-#ifndef PNG_NO_CONSOLE_IO
-#  ifdef PNG_ERROR_NUMBERS_SUPPORTED
-   if (*warning_message == '#')
-   {
-     int offset;
-     char warning_number[16];
-     for (offset=0; offset<15; offset++)
-     {
-        warning_number[offset]=*(warning_message+offset+1);
-        if (*(warning_message+offset) == ' ')
-            break;
-     }
-     if((offset > 1) && (offset < 15))
-     {
-       warning_number[offset-1]='\0';
-       fprintf(stderr, "libpng warning no. %s: %s\n", warning_number,
-          warning_message+offset);
-     }
-     else
-       fprintf(stderr, "libpng warning: %s\n", warning_message);
-   }
-   else
-#  endif
-     fprintf(stderr, "libpng warning: %s\n", warning_message);
-#else
-   if (warning_message)
-     /* appease compiler */ ;
-#endif
-   if (png_ptr)
-      return;
-}
-
-/* This function is called when the application wants to use another method
- * of handling errors and warnings.  Note that the error function MUST NOT
- * return to the calling routine or serious problems will occur.  The return
- * method used in the default routine calls longjmp(png_ptr->jmpbuf, 1)
- */
-void PNGAPI
-png_set_error_fn(png_structp png_ptr, png_voidp error_ptr,
-   png_error_ptr error_fn, png_error_ptr warning_fn)
-{
-   png_ptr->error_ptr = error_ptr;
-   png_ptr->error_fn = error_fn;
-   png_ptr->warning_fn = warning_fn;
-}
-
-
-/* This function returns a pointer to the error_ptr associated with the user
- * functions.  The application should free any memory associated with this
- * pointer before png_write_destroy and png_read_destroy are called.
- */
-png_voidp PNGAPI
-png_get_error_ptr(png_structp png_ptr)
-{
-   return ((png_voidp)png_ptr->error_ptr);
-}
-
-
-#ifdef PNG_ERROR_NUMBERS_SUPPORTED
-void PNGAPI
-png_set_strip_error_numbers(png_structp png_ptr, png_uint_32 strip_mode)
-{
-   if(png_ptr != NULL)
-   {
-     png_ptr->flags &=
-       ((~(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))&strip_mode);
-   }
-}
-#endif