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Imported from libpng-1.2.19beta24.tar

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This commit is contained in:
Glenn Randers-Pehrson
2007-07-14 14:43:24 -05:00
parent 67c75ee7f0
commit 80663032a9
65 changed files with 436 additions and 120 deletions
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12
pngerror.c
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@@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation
*
* Last changed in libpng 1.2.19 July 10, 2007
* Last changed in libpng 1.2.19 July 14, 2007
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -20,9 +20,11 @@
static void /* PRIVATE */
png_default_error PNGARG((png_structp png_ptr,
png_const_charp error_message));
#ifndef PNG_NO_WARNINGS
static void /* PRIVATE */
png_default_warning PNGARG((png_structp png_ptr,
png_const_charp warning_message));
#endif /* PNG_NO_WARNINGS */
/* 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,
@@ -76,6 +78,7 @@ png_error(png_structp png_ptr, png_const_charp error_message)
png_default_error(png_ptr, error_message);
}
#ifndef PNG_NO_WARNINGS
/* 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
@@ -105,6 +108,7 @@ png_warning(png_structp png_ptr, png_const_charp warning_message)
else
png_default_warning(png_ptr, warning_message+offset);
}
#endif /* PNG_NO_WARNINGS */
/* These utilities are used internally to build an error message that relates
@@ -152,6 +156,7 @@ png_format_buffer(png_structp png_ptr, png_charp buffer, png_const_charp
}
}
#ifdef PNG_READ_SUPPORTED
void PNGAPI
png_chunk_error(png_structp png_ptr, png_const_charp error_message)
{
@@ -165,6 +170,7 @@ png_chunk_error(png_structp png_ptr, png_const_charp error_message)
}
}
#ifndef PNG_NO_WARNINGS
void PNGAPI
png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
{
@@ -177,7 +183,9 @@ png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
png_warning(png_ptr, msg);
}
}
#endif /* PNG_NO_WARNINGS */
#endif /* PNG_READ_SUPPORTED */
/* This is the default error handling function. Note that replacements for
* this function MUST NOT RETURN, or the program will likely crash. This
@@ -234,6 +242,7 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
#endif
}
#ifndef PNG_NO_WARNINGS
/* 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
@@ -271,6 +280,7 @@ png_default_warning(png_structp png_ptr, png_const_charp warning_message)
#endif
png_ptr = png_ptr; /* make compiler happy */
}
#endif /* PNG_NO_WARNINGS */
/* This function is called when the application wants to use another method
* of handling errors and warnings. Note that the error function MUST NOT