49 lines
1014 B
Awk
49 lines
1014 B
Awk
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# Check links in tz tables.
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# Contributed by Paul Eggert. This file is in the public domain.
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BEGIN {
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# Special marker indicating that the name is defined as a Zone.
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# It is a newline so that it cannot match a valid name.
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# It is not null so that its slot does not appear unset.
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Zone = "\n"
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}
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/^Zone/ {
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if (defined[$2]) {
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if (defined[$2] == Zone) {
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printf "%s: Zone has duplicate definition\n", $2
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} else {
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printf "%s: Link with same name as Zone\n", $2
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}
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status = 1
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}
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defined[$2] = Zone
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}
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/^Link/ {
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if (defined[$3]) {
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if (defined[$3] == Zone) {
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printf "%s: Link with same name as Zone\n", $3
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} else if (defined[$3] == $2) {
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printf "%s: Link has duplicate definition\n", $3
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} else {
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printf "%s: Link to both %s and %s\n", $3, defined[$3], $2
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}
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status = 1
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}
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used[$2] = 1
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defined[$3] = $2
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}
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END {
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for (tz in used) {
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if (defined[tz] != Zone) {
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printf "%s: Link to non-zone\n", tz
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status = 1
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}
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}
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exit status
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}
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