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Fix tr(1) behaviour in special cases and be stricter about stuff

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This commit is contained in:
FRIGN 2015-02-02 19:59:41 +01:00
parent f9d9672326
commit ff0347e391
1 changed files with 13 additions and 8 deletions
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21
tr.c
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@ -202,6 +202,8 @@ main(int argc, char *argv[])
eprintf("set2 must be non-empty.\n");
if (set2check && set2check != iswlower && set2check != iswupper)
eprintf("set2 can only be the 'lower' or 'upper' class.\n");
if (set2check && cflag && !dflag)
eprintf("set2 can't be imaged to from a complement.\n");
read:
if (!readrune("<stdin>", stdin, &r))
return 0;
@ -209,10 +211,10 @@ read:
for (i = 0; i < set1ranges; i++) {
if (set1[i].start <= r && r <= set1[i].end) {
if (dflag) {
if (cflag)
goto write;
else
if (!cflag || (sflag && r == lastrune))
goto read;
else
goto write;
}
if (sflag) {
if (r == lastrune)
@ -241,11 +243,12 @@ read:
}
}
if (set1check && set1check((wint_t)r)) {
if (dflag)
if (cflag)
goto write;
else
if (dflag) {
if (!cflag || (sflag && r == lastrune))
goto read;
else
goto write;
}
if (sflag) {
if (r == lastrune)
goto read;
@ -257,9 +260,11 @@ read:
else if (set1check == iswlower && set2check == iswupper)
r = towupper((wint_t)r);
else if (set2ranges > 0)
r = set2[set2ranges - 1].end;
r = cflag ? r : set2[set2ranges - 1].end;
else
eprintf("Misaligned character classes.\n");
} else if (cflag && set2ranges > 0) {
r = set2[set2ranges - 1].end;
}
if (dflag && cflag)
goto read;