md5, sha1, sha256, sha512: add gl_SET_CRYPTO_CHECK_DEFAULT

[gnulib.git] / lib / xstrtol-error.c

diff --git a/lib/xstrtol-error.c b/lib/xstrtol-error.c
index 5316fc0..688cef7 100644 (file)
--- a/lib/xstrtol-error.c
+++ b/lib/xstrtol-error.c
@@ -1,12 +1,12 @@
 /* A more useful interface to strtol.
 
-   Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2006, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1995-1996, 1998-1999, 2001-2004, 2006-2013 Free Software
+   Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -14,46 +14,85 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include "xstrtol.h"
 
+#include <stdlib.h>
+
 #include "error.h"
+#include "exitfail.h"
 #include "gettext.h"
 
-#define _(str) gettext (str)
+#define N_(msgid) msgid
 
-/* Report an error for an out-of-range integer argument.
-   EXIT_CODE is the exit code (0 for a non-fatal error).
-   OPTION is the option that takes the argument
-    (usually starting with one or two minus signs).
-   ARG is the option's argument.
-   ERR is the error code returned by one of the xstrto* functions.  */
-void
-xstrtol_error (int exit_code, char const *option, char const *arg,
-              strtol_error err)
+/* Report an error for an invalid integer in an option argument.
+
+   ERR is the error code returned by one of the xstrto* functions.
+
+   Use OPT_IDX to decide whether to print the short option string "C"
+   or "-C" or a long option string derived from LONG_OPTION.  OPT_IDX
+   is -2 if the short option "C" was used, without any leading "-"; it
+   is -1 if the short option "-C" was used; otherwise it is an index
+   into LONG_OPTIONS, which should have a name preceded by two '-'
+   characters.
+
+   ARG is the option-argument containing the integer.
+
+   After reporting an error, exit with status EXIT_STATUS if it is
+   nonzero.  */
+
+static void
+xstrtol_error (enum strtol_error err,
+               int opt_idx, char c, struct option const *long_options,
+               char const *arg,
+               int exit_status)
 {
+  char const *hyphens = "--";
+  char const *msgid;
+  char const *option;
+  char option_buffer[2];
+
   switch (err)
     {
     default:
       abort ();
 
     case LONGINT_INVALID:
-      error (exit_code, 0, _("invalid %s argument `%s'"),
-            option, arg);
+      msgid = N_("invalid %s%s argument '%s'");
       break;
 
     case LONGINT_INVALID_SUFFIX_CHAR:
-    case LONGINT_INVALID_SUFFIX_CHAR | LONGINT_OVERFLOW:
-      error (exit_code, 0, _("invalid suffix in %s argument `%s'"),
-            option, arg);
+    case LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW:
+      msgid = N_("invalid suffix in %s%s argument '%s'");
       break;
 
     case LONGINT_OVERFLOW:
-      error (exit_code, 0, _("%s argument `%s' too large"),
-            option, arg);
+      msgid = N_("%s%s argument '%s' too large");
       break;
     }
+
+  if (opt_idx < 0)
+    {
+      hyphens -= opt_idx;
+      option_buffer[0] = c;
+      option_buffer[1] = '\0';
+      option = option_buffer;
+    }
+  else
+    option = long_options[opt_idx].name;
+
+  error (exit_status, 0, gettext (msgid), hyphens, option, arg);
+}
+
+/* Like xstrtol_error, except exit with a failure status.  */
+
+void
+xstrtol_fatal (enum strtol_error err,
+               int opt_idx, char c, struct option const *long_options,
+               char const *arg)
+{
+  xstrtol_error (err, opt_idx, c, long_options, arg, exit_failure);
+  abort ();
 }