diff options
Diffstat (limited to 'png/pngdebug.h')
| -rw-r--r-- | png/pngdebug.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/png/pngdebug.h b/png/pngdebug.h index 00d5a4569..af1ae9e82 100644 --- a/png/pngdebug.h +++ b/png/pngdebug.h @@ -1,7 +1,6 @@ - -/* pngdebug.h - Debugging macros for libpng, also used in pngtest.c +/* pngdebug.h - internal debugging macros for libpng * - * Copyright (c) 2018 Cosmin Truta + * Copyright (c) 2018-2025 Cosmin Truta * Copyright (c) 1998-2002,2004,2006-2013 Glenn Randers-Pehrson * Copyright (c) 1996-1997 Andreas Dilger * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. @@ -11,6 +10,10 @@ * and license in png.h */ +#ifndef PNGPRIV_H +# error This file must not be included by applications; please include <png.h> +#endif + /* Define PNG_DEBUG at compile time for debugging information. Higher * numbers for PNG_DEBUG mean more debugging information. This has * only been added since version 0.95 so it is not implemented throughout |