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- avoid division-by-zero crash in tabwriter
- correct tabwidth argument for some tabwriter test cases - catch negative tabwidth flag in gofmt w/o crashing R=rsc http://go/go-review/1026022
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@ -153,6 +153,10 @@ func walkDir(path string) {
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func main() {
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flag.Usage = usage;
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flag.Parse();
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if *tabwidth < 0 {
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fmt.Fprintf(os.Stderr, "negative tabwidth %d\n", *tabwidth);
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os.Exit(2);
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}
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if flag.NArg() == 0 {
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if err := processFile("/dev/stdin"); err != nil {
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@ -229,6 +229,10 @@ func (b *Writer) write0(buf []byte) os.Error {
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var newline = []byte{'\n'}
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func (b *Writer) writePadding(textw, cellw int) os.Error {
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if b.cellwidth == 0 {
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return nil;
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}
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if b.padbytes[0] == '\t' {
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// make cell width a multiple of cellwidth
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cellw = ((cellw + b.cellwidth - 1) / b.cellwidth) * b.cellwidth;
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@ -283,7 +283,7 @@ var tests = []entry{
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entry{
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"9a",
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0, 0, '.', 0,
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1, 0, '.', 0,
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"1\t2\t3\t4\n"
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"11\t222\t3333\t44444\n",
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@ -293,7 +293,7 @@ var tests = []entry{
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entry{
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"9b",
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0, 0, '.', FilterHTML,
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1, 0, '.', FilterHTML,
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"1\t2<!---\f--->\t3\t4\n" // \f inside HTML is ignored
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"11\t222\t3333\t44444\n",
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@ -303,7 +303,7 @@ var tests = []entry{
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entry{
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"9c",
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0, 0, '.', 0,
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1, 0, '.', 0,
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"1\t2\t3\t4\f" // \f causes a newline and flush
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"11\t222\t3333\t44444\n",
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@ -313,7 +313,7 @@ var tests = []entry{
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entry{
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"9c debug",
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0, 0, '.', Debug,
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1, 0, '.', Debug,
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"1\t2\t3\t4\f" // \f causes a newline and flush
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"11\t222\t3333\t44444\n",
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@ -445,7 +445,7 @@ var tests = []entry{
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entry{
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"14",
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0, 2, ' ', AlignRight,
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1, 2, ' ', AlignRight,
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".0\t.3\t2.4\t-5.1\t\n"
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"23.0\t12345678.9\t2.4\t-989.4\t\n"
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"5.1\t12.0\t2.4\t-7.0\t\n"
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@ -463,7 +463,7 @@ var tests = []entry{
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entry{
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"14 debug",
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0, 2, ' ', AlignRight | Debug,
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1, 2, ' ', AlignRight | Debug,
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".0\t.3\t2.4\t-5.1\t\n"
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"23.0\t12345678.9\t2.4\t-989.4\t\n"
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"5.1\t12.0\t2.4\t-7.0\t\n"
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