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[libpng17] Removed or marked PNG_UNUSED some harmless "dead assignments"

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reported by clang scan-build.
This commit is contained in:
Glenn Randers-Pehrson
2013-11-25 11:08:56 -06:00
parent b1f0c7d0e5
commit 7ebb353944
5 changed files with 21 additions and 15 deletions
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6
png.c
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@@ -201,6 +201,7 @@ png_user_version_check(png_structrp png_ptr, png_const_charp user_png_ver)
pos = png_safecat(m, (sizeof m), pos, user_png_ver);
pos = png_safecat(m, (sizeof m), pos, " but running with ");
pos = png_safecat(m, (sizeof m), pos, png_libpng_ver);
PNG_UNUSED(pos)
png_warning(png_ptr, m);
#endif
@@ -695,13 +696,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.7.0beta24 - November 24, 2013" PNG_STRING_NEWLINE \
"libpng version 1.7.0beta24 - November 25, 2013" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2013 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE;
# else
return "libpng version 1.7.0beta24 - November 24, 2013\
return "libpng version 1.7.0beta24 - November 25, 2013\
Copyright (c) 1998-2013 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@@ -1634,6 +1635,7 @@ png_icc_profile_error(png_const_structrp png_ptr, png_colorspacerp colorspace,
# endif
/* The 'reason' is an arbitrary message, allow +79 maximum 195 */
pos = png_safecat(message, (sizeof message), pos, reason);
PNG_UNUSED(pos)
/* This is recoverable, but make it unconditionally an app_error on write to
* avoid writing invalid ICC profiles into PNG files. (I.e. we handle them