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tr(1): Show an error when classes and non-classes are mixed

This commit is contained in:
FRIGN 2015-04-20 21:38:46 +02:00 committed by sin
parent bfcf46ac5e
commit 7be2449aa9

2
tr.c
View File

@ -197,6 +197,8 @@ main(int argc, char *argv[])
set2ranges = makeset(argv[1], &set2, &set2check);
if (dflag == sflag && !set2ranges && !set2check)
eprintf("set2 must be non-empty.\n");
if (argc == 2 && !set2check != !set1check)
eprintf("can't mix classes with non-classes.\n");
if (set2check && set2check != islowerrune && set2check != isupperrune)
eprintf("set2 can only be the 'lower' or 'upper' class.\n");
if (set2check && cflag && !dflag)