diff options
Diffstat (limited to 'src/3rdparty/libpng/png.c')
| -rw-r--r-- | src/3rdparty/libpng/png.c | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/src/3rdparty/libpng/png.c b/src/3rdparty/libpng/png.c index cf9f361070f..9ed31570092 100644 --- a/src/3rdparty/libpng/png.c +++ b/src/3rdparty/libpng/png.c @@ -14,7 +14,7 @@ #include "pngpriv.h" /* Generate a compiler error if there is an old png.h in the search path. */ -typedef png_libpng_version_1_6_42 Your_png_h_is_not_version_1_6_42; +typedef png_libpng_version_1_6_43 Your_png_h_is_not_version_1_6_43; /* Tells libpng that we have already handled the first "num_bytes" bytes * of the PNG file signature. If the PNG data is embedded into another @@ -794,7 +794,7 @@ png_get_copyright(png_const_structrp png_ptr) return PNG_STRING_COPYRIGHT #else return PNG_STRING_NEWLINE \ - "libpng version 1.6.42" PNG_STRING_NEWLINE \ + "libpng version 1.6.43" PNG_STRING_NEWLINE \ "Copyright (c) 2018-2024 Cosmin Truta" PNG_STRING_NEWLINE \ "Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \ PNG_STRING_NEWLINE \ @@ -1821,14 +1821,14 @@ png_icc_profile_error(png_const_structrp png_ptr, png_colorspacerp colorspace, } # ifdef PNG_WARNINGS_SUPPORTED else - { - char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */ + { + char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */ - pos = png_safecat(message, (sizeof message), pos, - png_format_number(number, number+(sizeof number), - PNG_NUMBER_FORMAT_x, value)); - pos = png_safecat(message, (sizeof message), pos, "h: "); /* +2 = 116 */ - } + pos = png_safecat(message, (sizeof message), pos, + png_format_number(number, number+(sizeof number), + PNG_NUMBER_FORMAT_x, value)); + pos = png_safecat(message, (sizeof message), pos, "h: "); /* +2 = 116 */ + } # endif /* The 'reason' is an arbitrary message, allow +79 maximum 195 */ pos = png_safecat(message, (sizeof message), pos, reason); @@ -2511,17 +2511,6 @@ png_colorspace_set_rgb_coefficients(png_structrp png_ptr) #endif /* COLORSPACE */ -#ifdef __GNUC__ -/* This exists solely to work round a warning from GNU C. */ -static int /* PRIVATE */ -png_gt(size_t a, size_t b) -{ - return a > b; -} -#else -# define png_gt(a,b) ((a) > (b)) -#endif - void /* PRIVATE */ png_check_IHDR(png_const_structrp png_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, @@ -2543,8 +2532,16 @@ png_check_IHDR(png_const_structrp png_ptr, error = 1; } - if (png_gt(((width + 7) & (~7U)), - ((PNG_SIZE_MAX + /* The bit mask on the first line below must be at least as big as a + * png_uint_32. "~7U" is not adequate on 16-bit systems because it will + * be an unsigned 16-bit value. Casting to (png_alloc_size_t) makes the + * type of the result at least as bit (in bits) as the RHS of the > operator + * which also avoids a common warning on 64-bit systems that the comparison + * of (png_uint_32) against the constant value on the RHS will always be + * false. + */ + if (((width + 7) & ~(png_alloc_size_t)7) > + (((PNG_SIZE_MAX - 48 /* big_row_buf hack */ - 1) /* filter byte */ / 8) /* 8-byte RGBA pixels */ |