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-rw-r--r--text-utils/line.c83
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diff --git a/text-utils/line.c b/text-utils/line.c
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+/*
+ * line - read one line
+ *
+ * Gunnar Ritter, Freiburg i. Br., Germany, December 2000.
+ *
+ * Public Domain.
+ */
+
+/*
+ * This command is deprecated. The utility is in maintenance mode,
+ * meaning we keep them in source tree for backward compatibility
+ * only. Do not waste time making this command better, unless the
+ * fix is about security or other very critical issue.
+ *
+ * See Documentation/deprecated.txt for more information.
+ */
+
+#include <getopt.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "c.h"
+#include "closestream.h"
+#include "nls.h"
+#include "widechar.h"
+
+static void __attribute__((__noreturn__)) usage(void)
+{
+ FILE *out = stdout;
+ fputs(USAGE_HEADER, out);
+ fprintf(out, _(" %s [options]\n"), program_invocation_short_name);
+
+ fputs(USAGE_SEPARATOR, out);
+ fputs(_("Read one line.\n"), out);
+
+ fputs(USAGE_OPTIONS, out);
+ printf(USAGE_HELP_OPTIONS(16));
+ printf(USAGE_MAN_TAIL("line(1)"));
+ exit(EXIT_SUCCESS);
+}
+
+int main(int argc, char **argv)
+{
+ wint_t c;
+ int opt;
+ int status = EXIT_SUCCESS;
+
+ static const struct option longopts[] = {
+ {"version", no_argument, NULL, 'V'},
+ {"help", no_argument, NULL, 'h'},
+ {NULL, 0, NULL, 0}
+ };
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+ close_stdout_atexit();
+
+ while ((opt = getopt_long(argc, argv, "Vh", longopts, NULL)) != -1)
+ switch (opt) {
+ case 'V':
+ print_version(EXIT_SUCCESS);
+ case 'h':
+ usage();
+ default:
+ errtryhelp(EXIT_FAILURE);
+ }
+
+ setvbuf(stdin, NULL, _IONBF, 0);
+ for (;;) {
+ c = getwchar();
+ if (c == WEOF) {
+ status = EXIT_FAILURE;
+ break;
+ }
+ if (c == '\n')
+ break;
+ putwchar(c);
+ }
+ putwchar(L'\n');
+
+ return status;
+}