X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxstrtol.h;h=3a94a9c6da811272707c6657c1930814bc8efcde;hb=217ec874c8e4610ce407f0204c4e3fe30b7c76ec;hp=e710a09ac73f9cfaa598bf67c08fd7f4becec6fc;hpb=2ae5764dda52f95186d8b7bc3533a29e5cf18453;p=gnulib.git

diff --git a/lib/xstrtol.h b/lib/xstrtol.h
index e710a09ac..3a94a9c6d 100644
--- a/lib/xstrtol.h
+++ b/lib/xstrtol.h
@@ -1,66 +1,83 @@
-#ifndef _xstrtol_h_
-#define _xstrtol_h_ 1
-
-#if STRING_TO_UNSIGNED
-# define __xstrtol xstrtoul
-# define __strtol strtoul
-# define __unsigned unsigned
-# define __ZLONG_MAX ULONG_MAX
-#else
-# define __xstrtol xstrtol
-# define __strtol strtol
-# define __unsigned /* empty */
-# define __ZLONG_MAX LONG_MAX
-#endif
+/* A more useful interface to strtol.
 
-#undef PARAMS
-#if defined (__STDC__) && __STDC__
-# define PARAMS(x) x
-#else
-# define PARAMS(x) ()
-#endif
+   Copyright (C) 1995-1996, 1998-1999, 2001-2004, 2006-2010 Free Software
+   Foundation, Inc.
+
+   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 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
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef XSTRTOL_H_
+# define XSTRTOL_H_ 1
 
+# include <getopt.h>
+# include <inttypes.h>
+
+# ifndef _STRTOL_ERROR
 enum strtol_error
   {
-    LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW
+    LONGINT_OK = 0,
+
+    /* These two values can be ORed together, to indicate that both
+       errors occurred.  */
+    LONGINT_OVERFLOW = 1,
+    LONGINT_INVALID_SUFFIX_CHAR = 2,
+
+    LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR
+                                                 | LONGINT_OVERFLOW),
+    LONGINT_INVALID = 4
   };
 typedef enum strtol_error strtol_error;
+# endif
+
+# define _DECLARE_XSTRTOL(name, type) \
+  strtol_error name (const char *, char **, int, type *, const char *);
+_DECLARE_XSTRTOL (xstrtol, long int)
+_DECLARE_XSTRTOL (xstrtoul, unsigned long int)
+_DECLARE_XSTRTOL (xstrtoimax, intmax_t)
+_DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
+
+#if HAVE_LONG_LONG_INT
+_DECLARE_XSTRTOL (xstrtoll, long long int)
+_DECLARE_XSTRTOL (xstrtoull, unsigned long long int)
+#endif
+
+#ifndef __attribute__
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
+#  define __attribute__(x)
+# endif
+#endif
+
+#ifndef ATTRIBUTE_NORETURN
+# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
+#endif
+
+/* 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 a failure status.  */
+
+void xstrtol_fatal (enum strtol_error,
+                    int, char, struct option const *,
+                    char const *) ATTRIBUTE_NORETURN;
 
-strtol_error
-  __xstrtol PARAMS ((const char *s, char **ptr, int base,
-		     __unsigned long int *val, const char *valid_suffixes));
-
-#define _STRTOL_ERROR(exit_code, str, argument_type_string, err)	\
-  do									\
-    {									\
-      switch ((err))							\
-	{								\
-	case LONGINT_OK:						\
-	  abort ();							\
-									\
-	case LONGINT_INVALID:						\
-	  error ((exit_code), 0, "invalid %s `%s'",			\
-		 (argument_type_string), (str));			\
-	  break;							\
-									\
-	case LONGINT_INVALID_SUFFIX_CHAR:				\
-	  error ((exit_code), 0, "invalid character following %s `%s'",	\
-		 (argument_type_string), (str));			\
-	  break;							\
-									\
-	case LONGINT_OVERFLOW:						\
-	  /* FIXME: make this message dependent on STRING_TO_UNSIGNED */\
-	  error ((exit_code), 0, "%s `%s' larger than maximum long int",\
-		 (argument_type_string), (str));			\
-	  break;							\
-	}								\
-    }									\
-  while (0)
-
-#define STRTOL_FATAL_ERROR(str, argument_type_string, err)		\
-  _STRTOL_ERROR (2, str, argument_type_string, err)
-
-#define STRTOL_FAIL_WARN(str, argument_type_string, err)		\
-  _STRTOL_ERROR (0, str, argument_type_string, err)
-
-#endif /* _xstrtol_h_ */
+#endif /* not XSTRTOL_H_ */