sci-calculators/units/files/units-2.20-readerror.patch


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--- a/units.c
+++ b/units.c
@@ -761,7 +761,7 @@
 }
 
 
-#define readerror (goterr=1) && errfile && fprintf
+#define readerror(...) do { goterr=1; if (errfile) fprintf(__VA_ARGS__); } while (0)
 
 #define VAGUE_ERR "%s: error in units file '%s' line %d\n", \
                        progname, file, linenum