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[libpng12] Quiet unused variable warnings from clang by porting PNG_UNUSED()

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from libpng-1.4.6.
This commit is contained in:
Glenn Randers-Pehrson
2014-02-03 09:41:50 -06:00
parent 0cbe85bcfd
commit ae48296140
13 changed files with 81 additions and 55 deletions
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6
pngerror.c
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@@ -300,7 +300,7 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
/* Here if not setjmp support or if png_ptr is null. */
PNG_ABORT();
#ifndef PNG_CONSOLE_IO_SUPPORTED
error_message = error_message; /* Make compiler happy */
PNG_UNUSED(error_message) /* Make compiler happy */
#endif
}
@@ -346,9 +346,9 @@ png_default_warning(png_structp png_ptr, png_const_charp warning_message)
fprintf(stderr, PNG_STRING_NEWLINE);
}
#else
warning_message = warning_message; /* Make compiler happy */
PNG_UNUSED(warning_message) /* Make compiler happy */
#endif
png_ptr = png_ptr; /* Make compiler happy */
PNG_UNUSED(png_ptr) /* Make compiler happy */
}
#endif /* PNG_WARNINGS_SUPPORTED */