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[libpng12] Quieted some Coverity-scan warnings
This commit is contained in:
Glenn Randers-Pehrson
parent
6e6d4a7ce4
commit
a1981c64e3
4
ANNOUNCE
4
ANNOUNCE
@ -1,5 +1,5 @@
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Libpng 1.2.53beta02 - February 5, 2015
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Libpng 1.2.53beta02 - February 6, 2015
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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@ -45,7 +45,7 @@ Changes since the last public release (1.2.52):
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version 1.2.53beta01 [omitted]
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version 1.2.53beta02 [%RDATE%]
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version 1.2.53beta02 [February 6, 2015]
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Issue a png_error() instead of a png_warning() when width is
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potentially too large for the architecture, in case the calling
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application has overridden the default 1,000,000-column limit
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2
CHANGES
2
CHANGES
@ -2830,7 +2830,7 @@ version 1.0.62 and 1.2.52 [November 20, 2014]
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version 1.2.53beta01 [omitted]
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version 1.2.53beta02 [%RDATE%]
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version 1.2.53beta02 [February 6, 2015]
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Issue a png_error() instead of a png_warning() when width is
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potentially too large for the architecture, in case the calling
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application has overridden the default 1,000,000-column limit
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16
png.c
16
png.c
@ -1,8 +1,8 @@
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/* png.c - location for general purpose libpng functions
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*
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* Last changed in libpng 1.2.51 [February 6, 2014]
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* Copyright (c) 1998-2014 Glenn Randers-Pehrson
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* Last changed in libpng 1.2.53 [February 6, 2015]
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* Copyright (c) 1998-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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*
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@ -158,12 +158,16 @@ voidpf /* PRIVATE */
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png_zalloc(voidpf png_ptr, uInt items, uInt size)
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{
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png_voidp ptr;
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png_structp p=(png_structp)png_ptr;
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png_uint_32 save_flags=p->flags;
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png_structp p;
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png_uint_32 save_flags;
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png_uint_32 num_bytes;
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if (png_ptr == NULL)
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return (NULL);
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p=(png_structp)png_ptr;
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save_flags=p->flags;
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if (items > PNG_UINT_32_MAX/size)
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{
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png_warning (p, "Potential overflow in png_zalloc()");
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@ -724,13 +728,13 @@ png_get_copyright(png_structp png_ptr)
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#else
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#ifdef __STDC__
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return ((png_charp) PNG_STRING_NEWLINE \
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"libpng version 1.2.53beta02 - February 5, 2015" PNG_STRING_NEWLINE \
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"libpng version 1.2.53beta02 - February 6, 2015" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2014 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
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"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
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"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
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PNG_STRING_NEWLINE);
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#else
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return ((png_charp) "libpng version 1.2.53beta02 - February 5, 2015\
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return ((png_charp) "libpng version 1.2.53beta02 - February 6, 2015\
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Copyright (c) 1998-2014 Glenn Randers-Pehrson\
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Copyright (c) 1996-1997 Andreas Dilger\
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Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");
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2
pngget.c
2
pngget.c
@ -1,7 +1,7 @@
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/* pngget.c - retrieval of values from info struct
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*
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* Last changed in libpng 1.2.53 [%RDATE%]
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* Last changed in libpng 1.2.53 [February 6, 2015]
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* Copyright (c) 1998-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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@ -1,7 +1,7 @@
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/* pngread.c - read a PNG file
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*
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* Last changed in libpng 1.2.53 [%RDATE%]
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* Last changed in libpng 1.2.53 [February 6, 2015]
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* Copyright (c) 1998-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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@ -1,7 +1,7 @@
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/* pngrtran.c - transforms the data in a row for PNG readers
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*
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* Last changed in libpng 1.2.53 [%RDATE%]
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* Last changed in libpng 1.2.53 [February 6, 2015]
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* Copyright (c) 1998-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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30
pngrutil.c
30
pngrutil.c
@ -1,7 +1,7 @@
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/* pngrutil.c - utilities to read a PNG file
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*
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* Last changed in libpng 1.2.53 [%RDATE%]
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* Last changed in libpng 1.2.53 [February 6, 2015]
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* Copyright (c) 1998-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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@ -57,10 +57,10 @@ png_get_uint_31(png_structp png_ptr, png_bytep buf)
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png_uint_32 i = png_get_uint_32(buf);
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#else
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/* Avoid an extra function call by inlining the result. */
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png_uint_32 i = ((png_uint_32)(*buf) << 24) +
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((png_uint_32)(*(buf + 1)) << 16) +
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((png_uint_32)(*(buf + 2)) << 8) +
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((png_uint_32)(*(buf + 3)) );
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png_uint_32 i = ((png_uint_32)((*(buf )) & 0xff) << 24) +
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((png_uint_32)((*(buf + 1)) & 0xff) << 16) +
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((png_uint_32)((*(buf + 2)) & 0xff) << 8) +
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((png_uint_32)((*(buf + 3)) & 0xff) );
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#endif
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if (i > PNG_UINT_31_MAX)
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png_error(png_ptr, "PNG unsigned integer out of range.");
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@ -71,10 +71,10 @@ png_get_uint_31(png_structp png_ptr, png_bytep buf)
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png_uint_32 PNGAPI
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png_get_uint_32(png_bytep buf)
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{
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png_uint_32 i = ((png_uint_32)(*buf) << 24) +
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((png_uint_32)(*(buf + 1)) << 16) +
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((png_uint_32)(*(buf + 2)) << 8) +
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(png_uint_32)(*(buf + 3));
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png_uint_32 i = ((png_uint_32)((*(buf )) & 0xff) << 24) +
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((png_uint_32)((*(buf + 1)) & 0xff) << 16) +
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((png_uint_32)((*(buf + 2)) & 0xff) << 8) +
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((png_uint_32)((*(buf + 3)) & 0xff) );
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return (i);
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}
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@ -86,10 +86,10 @@ png_get_uint_32(png_bytep buf)
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png_int_32 PNGAPI
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png_get_int_32(png_bytep buf)
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{
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png_int_32 i = ((png_int_32)(*buf) << 24) +
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((png_int_32)(*(buf + 1)) << 16) +
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((png_int_32)(*(buf + 2)) << 8) +
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(png_int_32)(*(buf + 3));
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png_int_32 i = ((png_int_32)((*(buf )) & 0xff) << 24) +
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((png_int_32)((*(buf + 1)) & 0xff) << 16) +
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((png_int_32)((*(buf + 2)) & 0xff) << 8) +
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((png_int_32)((*(buf + 3)) & 0xff) );
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return (i);
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}
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@ -98,8 +98,8 @@ png_get_int_32(png_bytep buf)
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png_uint_16 PNGAPI
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png_get_uint_16(png_bytep buf)
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{
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png_uint_16 i = (png_uint_16)(((png_uint_16)(*buf) << 8) +
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(png_uint_16)(*(buf + 1)));
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png_uint_16 i = ((png_uint_16)((*(buf )) & 0xff) << 8) +
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((png_uint_16)((*(buf + 1)) & 0xff) );
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return (i);
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}
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2
pngset.c
2
pngset.c
@ -1,7 +1,7 @@
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/* pngset.c - storage of image information into info struct
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*
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* Last changed in libpng 1.2.53 [%RDATE%]
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* Last changed in libpng 1.2.53 [February 6, 2015]
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* Copyright (c) 1998-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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@ -1,7 +1,7 @@
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/* pngwrite.c - general routines to write a PNG file
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*
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* Last changed in libpng 1.2.53 [%RDATE%]
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* Last changed in libpng 1.2.53 [February 6, 2015]
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* Copyright (c) 1998-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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@ -1,7 +1,7 @@
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/* pngwutil.c - utilities to write a PNG file
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*
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* Last changed in libpng 1.2.53 [%RDATE%]
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* Last changed in libpng 1.2.53 [February 6, 2015]
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* Copyright (c) 1998-2015 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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