[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/timezone/checktab.awk b/ap/libc/glibc/glibc-2.22/timezone/checktab.awk
new file mode 100644
index 0000000..d78ba73
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/timezone/checktab.awk
@@ -0,0 +1,174 @@
+# Check tz tables for consistency.
+
+# Contributed by Paul Eggert.
+
+BEGIN {
+	FS = "\t"
+
+	if (!iso_table) iso_table = "iso3166.tab"
+	if (!zone_table) zone_table = "zone.tab"
+	if (!want_warnings) want_warnings = -1
+
+	# A special (and we hope temporary) case.
+	tztab["America/Montreal"] = 1
+
+	while (getline <iso_table) {
+		iso_NR++
+		if ($0 ~ /^#/) continue
+		if (NF != 2) {
+			printf "%s:%d: wrong number of columns\n", \
+				iso_table, iso_NR >>"/dev/stderr"
+			status = 1
+		}
+		cc = $1
+		name = $2
+		if (cc !~ /^[A-Z][A-Z]$/) {
+			printf "%s:%d: invalid country code `%s'\n", \
+				iso_table, iso_NR, cc >>"/dev/stderr"
+			status = 1
+		}
+		if (cc <= cc0) {
+			if (cc == cc0) {
+				s = "duplicate";
+			} else {
+				s = "out of order";
+			}
+
+			printf "%s:%d: country code `%s' is %s\n", \
+				iso_table, iso_NR, cc, s \
+				>>"/dev/stderr"
+			status = 1
+		}
+		cc0 = cc
+		if (name2cc[name]) {
+			printf "%s:%d: `%s' and `%s' have the sname name\n", \
+				iso_table, iso_NR, name2cc[name], cc \
+				>>"/dev/stderr"
+			status = 1
+		}
+		name2cc[name] = cc
+		cc2name[cc] = name
+		cc2NR[cc] = iso_NR
+	}
+
+	zone_table = "zone.tab"
+	cc0 = ""
+
+	while (getline <zone_table) {
+		zone_NR++
+		if ($0 ~ /^#/) continue
+		if (NF != 3 && NF != 4) {
+			printf "%s:%d: wrong number of columns\n", \
+				zone_table, zone_NR >>"/dev/stderr"
+			status = 1
+		}
+		cc = $1
+		coordinates = $2
+		tz = $3
+		comments = $4
+		if (cc < cc0) {
+			printf "%s:%d: country code `%s' is out of order\n", \
+				zone_table, zone_NR, cc >>"/dev/stderr"
+			status = 1
+		}
+		cc0 = cc
+		cctz = cc tz
+		cctztab[cctz] = 1
+		tztab[tz] = 1
+		tz2comments[cctz] = comments
+		tz2NR[tz] = zone_NR
+		if (cc2name[cc]) {
+			cc_used[cc]++
+		} else {
+			printf "%s:%d: %s: unknown country code\n", \
+				zone_table, zone_NR, cc >>"/dev/stderr"
+			status = 1
+		}
+		if (coordinates !~ /^[-+][0-9][0-9][0-5][0-9][-+][01][0-9][0-9][0-5][0-9]$/ \
+		    && coordinates !~ /^[-+][0-9][0-9][0-5][0-9][0-5][0-9][-+][01][0-9][0-9][0-5][0-9][0-5][0-9]$/) {
+			printf "%s:%d: %s: invalid coordinates\n", \
+				zone_table, zone_NR, coordinates >>"/dev/stderr"
+			status = 1
+		}
+	}
+
+	for (cctz in cctztab) {
+		cc = substr (cctz, 1, 2)
+		tz = substr (cctz, 3)
+		if (cc_used[cc] == 1) {
+			if (tz2comments[cctz]) {
+				printf "%s:%d: unnecessary comment `%s'\n", \
+					zone_table, tz2NR[tz], \
+					tz2comments[cctz] \
+					>>"/dev/stderr"
+				status = 1
+			}
+		} else {
+			if (!tz2comments[cctz]) {
+				printf "%s:%d: missing comment\n", \
+					zone_table, tz2NR[tz] >>"/dev/stderr"
+				status = 1
+			}
+		}
+	}
+
+	FS = " "
+}
+
+$1 ~ /^#/ { next }
+
+{
+	tz = rules = ""
+	if ($1 == "Zone") {
+		tz = $2
+		ruleUsed[$4] = 1
+	} else if ($1 == "Link") {
+		# Ignore Link commands if source and destination basenames
+		# are identical, e.g. Europe/Istanbul versus Asia/Istanbul.
+		src = $2
+		dst = $3
+		while ((i = index(src, "/"))) src = substr(src, i+1)
+		while ((i = index(dst, "/"))) dst = substr(dst, i+1)
+		if (src != dst) tz = $3
+	} else if ($1 == "Rule") {
+		ruleDefined[$2] = 1
+	} else {
+		ruleUsed[$2] = 1
+	}
+	if (tz && tz ~ /\//) {
+		if (!tztab[tz]) {
+			printf "%s: no data for `%s'\n", zone_table, tz \
+				>>"/dev/stderr"
+			status = 1
+		}
+		zoneSeen[tz] = 1
+	}
+}
+
+END {
+	for (tz in ruleDefined) {
+		if (!ruleUsed[tz]) {
+			printf "%s: Rule never used\n", tz
+			status = 1
+		}
+	}
+	for (tz in tz2cc) {
+		if (!zoneSeen[tz]) {
+			printf "%s:%d: no Zone table for `%s'\n", \
+				zone_table, tz2NR[tz], tz >>"/dev/stderr"
+			status = 1
+		}
+	}
+
+	if (0 < want_warnings) {
+		for (cc in cc2name) {
+			if (!cc_used[cc]) {
+				printf "%s:%d: warning: " \
+					"no Zone entries for %s (%s)\n", \
+					iso_table, cc2NR[cc], cc, cc2name[cc]
+			}
+		}
+	}
+
+	exit status
+}