global: convert indentation-TABs to spaces

Transformed via this shell code:
t=$'\t'
git ls-files \
  | grep -vE '(^|/)((GNU)?[Mm]akefile|ChangeLog)|\.(am|mk)$' \
  | grep -vE 'tests/pr/|help2man' \
  | xargs grep -lE "^ *$t" \
  | xargs perl -MText::Tabs -ni -le \
    '$m=/^( *\t[ \t]*)(.*)/; print $m ? expand($1) . $2 : $_'

1 files changed, 160 insertions, 160 deletions

diff --git a/src/date.c b/src/date.c
index 022107d40..cbc53e6a5 100644
--- a/src/date.c
+++ b/src/date.c
@@ -118,14 +118,14 @@ usage (int status)
 {
   if (status != EXIT_SUCCESS)
     fprintf (stderr, _("Try `%s --help' for more information.\n"),
-	     program_name);
+             program_name);
   else
     {
       printf (_("\
 Usage: %s [OPTION]... [+FORMAT]\n\
   or:  %s [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]]\n\
 "),
-	      program_name, program_name);
+              program_name, program_name);
       fputs (_("\
 Display the current time in the given FORMAT, or set the system date.\n\
 \n\
@@ -264,9 +264,9 @@ batch_convert (const char *input_filename, const char *format)
     {
       in_stream = fopen (input_filename, "r");
       if (in_stream == NULL)
-	{
-	  error (EXIT_FAILURE, errno, "%s", quote (input_filename));
-	}
+        {
+          error (EXIT_FAILURE, errno, "%s", quote (input_filename));
+        }
     }
 
   line = NULL;
@@ -276,22 +276,22 @@ batch_convert (const char *input_filename, const char *format)
     {
       ssize_t line_length = getline (&line, &buflen, in_stream);
       if (line_length < 0)
-	{
-	  /* FIXME: detect/handle error here.  */
-	  break;
-	}
+        {
+          /* FIXME: detect/handle error here.  */
+          break;
+        }
 
       if (! get_date (&when, line, NULL))
-	{
-	  if (line[line_length - 1] == '\n')
-	    line[line_length - 1] = '\0';
-	  error (0, 0, _("invalid date %s"), quote (line));
-	  ok = false;
-	}
+        {
+          if (line[line_length - 1] == '\n')
+            line[line_length - 1] = '\0';
+          error (0, 0, _("invalid date %s"), quote (line));
+          ok = false;
+        }
       else
-	{
-	  ok &= show_date (format, when);
-	}
+        {
+          ok &= show_date (format, when);
+        }
     }
 
   if (fclose (in_stream) == EOF)
@@ -326,138 +326,138 @@ main (int argc, char **argv)
   atexit (close_stdout);
 
   while ((optc = getopt_long (argc, argv, short_options, long_options, NULL))
-	 != -1)
+         != -1)
     {
       char const *new_format = NULL;
 
       switch (optc)
-	{
-	case 'd':
-	  datestr = optarg;
-	  break;
-	case 'f':
-	  batch_file = optarg;
-	  break;
-	case RFC_3339_OPTION:
-	  {
-	    static char const rfc_3339_format[][32] =
-	      {
-		"%Y-%m-%d",
-		"%Y-%m-%d %H:%M:%S%:z",
-		"%Y-%m-%d %H:%M:%S.%N%:z"
-	      };
-	    enum Time_spec i =
-	      XARGMATCH ("--rfc-3339", optarg,
-			 time_spec_string + 2, time_spec + 2);
-	    new_format = rfc_3339_format[i];
-	    break;
-	  }
-	case 'I':
-	  {
-	    static char const iso_8601_format[][32] =
-	      {
-		"%Y-%m-%d",
-		"%Y-%m-%dT%H:%M:%S%z",
-		"%Y-%m-%dT%H:%M:%S,%N%z",
-		"%Y-%m-%dT%H%z",
-		"%Y-%m-%dT%H:%M%z"
-	      };
-	    enum Time_spec i =
-	      (optarg
-	       ? XARGMATCH ("--iso-8601", optarg, time_spec_string, time_spec)
-	       : TIME_SPEC_DATE);
-	    new_format = iso_8601_format[i];
-	    break;
-	  }
-	case 'r':
-	  reference = optarg;
-	  break;
-	case 'R':
-	  new_format = rfc_2822_format;
-	  break;
-	case 's':
-	  set_datestr = optarg;
-	  set_date = true;
-	  break;
-	case 'u':
-	  /* POSIX says that `date -u' is equivalent to setting the TZ
-	     environment variable, so this option should do nothing other
-	     than setting TZ.  */
-	  if (putenv (bad_cast ("TZ=UTC0")) != 0)
-	    xalloc_die ();
-	  TZSET;
-	  break;
-	case_GETOPT_HELP_CHAR;
-	case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
-	default:
-	  usage (EXIT_FAILURE);
-	}
+        {
+        case 'd':
+          datestr = optarg;
+          break;
+        case 'f':
+          batch_file = optarg;
+          break;
+        case RFC_3339_OPTION:
+          {
+            static char const rfc_3339_format[][32] =
+              {
+                "%Y-%m-%d",
+                "%Y-%m-%d %H:%M:%S%:z",
+                "%Y-%m-%d %H:%M:%S.%N%:z"
+              };
+            enum Time_spec i =
+              XARGMATCH ("--rfc-3339", optarg,
+                         time_spec_string + 2, time_spec + 2);
+            new_format = rfc_3339_format[i];
+            break;
+          }
+        case 'I':
+          {
+            static char const iso_8601_format[][32] =
+              {
+                "%Y-%m-%d",
+                "%Y-%m-%dT%H:%M:%S%z",
+                "%Y-%m-%dT%H:%M:%S,%N%z",
+                "%Y-%m-%dT%H%z",
+                "%Y-%m-%dT%H:%M%z"
+              };
+            enum Time_spec i =
+              (optarg
+               ? XARGMATCH ("--iso-8601", optarg, time_spec_string, time_spec)
+               : TIME_SPEC_DATE);
+            new_format = iso_8601_format[i];
+            break;
+          }
+        case 'r':
+          reference = optarg;
+          break;
+        case 'R':
+          new_format = rfc_2822_format;
+          break;
+        case 's':
+          set_datestr = optarg;
+          set_date = true;
+          break;
+        case 'u':
+          /* POSIX says that `date -u' is equivalent to setting the TZ
+             environment variable, so this option should do nothing other
+             than setting TZ.  */
+          if (putenv (bad_cast ("TZ=UTC0")) != 0)
+            xalloc_die ();
+          TZSET;
+          break;
+        case_GETOPT_HELP_CHAR;
+        case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
+        default:
+          usage (EXIT_FAILURE);
+        }
 
       if (new_format)
-	{
-	  if (format)
-	    error (EXIT_FAILURE, 0, _("multiple output formats specified"));
-	  format = new_format;
-	}
+        {
+          if (format)
+            error (EXIT_FAILURE, 0, _("multiple output formats specified"));
+          format = new_format;
+        }
     }
 
   option_specified_date = ((datestr ? 1 : 0)
-			   + (batch_file ? 1 : 0)
-			   + (reference ? 1 : 0));
+                           + (batch_file ? 1 : 0)
+                           + (reference ? 1 : 0));
 
   if (option_specified_date > 1)
     {
       error (0, 0,
-	_("the options to specify dates for printing are mutually exclusive"));
+        _("the options to specify dates for printing are mutually exclusive"));
       usage (EXIT_FAILURE);
     }
 
   if (set_date && option_specified_date)
     {
       error (0, 0,
-	  _("the options to print and set the time may not be used together"));
+          _("the options to print and set the time may not be used together"));
       usage (EXIT_FAILURE);
     }
 
   if (optind < argc)
     {
       if (optind + 1 < argc)
-	{
-	  error (0, 0, _("extra operand %s"), quote (argv[optind + 1]));
-	  usage (EXIT_FAILURE);
-	}
+        {
+          error (0, 0, _("extra operand %s"), quote (argv[optind + 1]));
+          usage (EXIT_FAILURE);
+        }
 
       if (argv[optind][0] == '+')
-	{
-	  if (format)
-	    error (EXIT_FAILURE, 0, _("multiple output formats specified"));
-	  format = argv[optind++] + 1;
-	}
+        {
+          if (format)
+            error (EXIT_FAILURE, 0, _("multiple output formats specified"));
+          format = argv[optind++] + 1;
+        }
       else if (set_date || option_specified_date)
-	{
-	  error (0, 0,
-		 _("the argument %s lacks a leading `+';\n"
-		   "when using an option to specify date(s), any non-option\n"
-		   "argument must be a format string beginning with `+'"),
-		 quote (argv[optind]));
-	  usage (EXIT_FAILURE);
-	}
+        {
+          error (0, 0,
+                 _("the argument %s lacks a leading `+';\n"
+                   "when using an option to specify date(s), any non-option\n"
+                   "argument must be a format string beginning with `+'"),
+                 quote (argv[optind]));
+          usage (EXIT_FAILURE);
+        }
     }
 
   if (!format)
     {
       format = DATE_FMT_LANGINFO ();
       if (! *format)
-	{
-	  /* Do not wrap the following literal format string with _(...).
-	     For example, suppose LC_ALL is unset, LC_TIME="POSIX",
-	     and LANG="ko_KR".  In that case, POSIX says that LC_TIME
-	     determines the format and contents of date and time strings
-	     written by date, which means "date" must generate output
-	     using the POSIX locale; but adding _() would cause "date"
-	     to use a Korean translation of the format.  */
-	  format = "%a %b %e %H:%M:%S %Z %Y";
-	}
+        {
+          /* Do not wrap the following literal format string with _(...).
+             For example, suppose LC_ALL is unset, LC_TIME="POSIX",
+             and LANG="ko_KR".  In that case, POSIX says that LC_TIME
+             determines the format and contents of date and time strings
+             written by date, which means "date" must generate output
+             using the POSIX locale; but adding _() would cause "date"
+             to use a Korean translation of the format.  */
+          format = "%a %b %e %H:%M:%S %Z %Y";
+        }
     }
 
   if (batch_file != NULL)
@@ -468,55 +468,55 @@ main (int argc, char **argv)
       ok = true;
 
       if (!option_specified_date && !set_date)
-	{
-	  if (optind < argc)
-	    {
-	      /* Prepare to set system clock to the specified date/time
-		 given in the POSIX-format.  */
-	      set_date = true;
-	      datestr = argv[optind];
-	      valid_date = posixtime (&when.tv_sec,
-				      datestr,
-				      (PDS_TRAILING_YEAR
-				       | PDS_CENTURY | PDS_SECONDS));
-	      when.tv_nsec = 0; /* FIXME: posixtime should set this.  */
-	    }
-	  else
-	    {
-	      /* Prepare to print the current date/time.  */
-	      gettime (&when);
-	    }
-	}
+        {
+          if (optind < argc)
+            {
+              /* Prepare to set system clock to the specified date/time
+                 given in the POSIX-format.  */
+              set_date = true;
+              datestr = argv[optind];
+              valid_date = posixtime (&when.tv_sec,
+                                      datestr,
+                                      (PDS_TRAILING_YEAR
+                                       | PDS_CENTURY | PDS_SECONDS));
+              when.tv_nsec = 0; /* FIXME: posixtime should set this.  */
+            }
+          else
+            {
+              /* Prepare to print the current date/time.  */
+              gettime (&when);
+            }
+        }
       else
-	{
-	  /* (option_specified_date || set_date) */
-	  if (reference != NULL)
-	    {
-	      if (stat (reference, &refstats) != 0)
-		error (EXIT_FAILURE, errno, "%s", reference);
-	      when = get_stat_mtime (&refstats);
-	    }
-	  else
-	    {
-	      if (set_datestr)
-		datestr = set_datestr;
-	      valid_date = get_date (&when, datestr, NULL);
-	    }
-	}
+        {
+          /* (option_specified_date || set_date) */
+          if (reference != NULL)
+            {
+              if (stat (reference, &refstats) != 0)
+                error (EXIT_FAILURE, errno, "%s", reference);
+              when = get_stat_mtime (&refstats);
+            }
+          else
+            {
+              if (set_datestr)
+                datestr = set_datestr;
+              valid_date = get_date (&when, datestr, NULL);
+            }
+        }
 
       if (! valid_date)
-	error (EXIT_FAILURE, 0, _("invalid date %s"), quote (datestr));
+        error (EXIT_FAILURE, 0, _("invalid date %s"), quote (datestr));
 
       if (set_date)
-	{
-	  /* Set the system clock to the specified date, then regardless of
-	     the success of that operation, format and print that date.  */
-	  if (settime (&when) != 0)
-	    {
-	      error (0, errno, _("cannot set date"));
-	      ok = false;
-	    }
-	}
+        {
+          /* Set the system clock to the specified date, then regardless of
+             the success of that operation, format and print that date.  */
+          if (settime (&when) != 0)
+            {
+              error (0, errno, _("cannot set date"));
+              ok = false;
+            }
+        }
 
       ok &= show_date (format, when);
     }