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-rw-r--r--lib/xstrtol.h89
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diff --git a/lib/xstrtol.h b/lib/xstrtol.h
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+++ b/lib/xstrtol.h
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+/* A more useful interface to strtol.
+
+ Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004 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 2, 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, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifndef XSTRTOL_H_
+# define XSTRTOL_H_ 1
+
+# include "exitfail.h"
+
+# if HAVE_INTTYPES_H
+# include <inttypes.h>
+# endif
+# if HAVE_STDINT_H
+# include <stdint.h>
+# endif
+
+# ifndef _STRTOL_ERROR
+enum strtol_error
+ {
+ 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)
+
+# define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \
+ do \
+ { \
+ switch ((Err)) \
+ { \
+ default: \
+ abort (); \
+ \
+ case LONGINT_INVALID: \
+ error ((Exit_code), 0, "invalid %s `%s'", \
+ (Argument_type_string), (Str)); \
+ break; \
+ \
+ case LONGINT_INVALID_SUFFIX_CHAR: \
+ case LONGINT_INVALID_SUFFIX_CHAR | LONGINT_OVERFLOW: \
+ error ((Exit_code), 0, "invalid character following %s in `%s'", \
+ (Argument_type_string), (Str)); \
+ break; \
+ \
+ case LONGINT_OVERFLOW: \
+ error ((Exit_code), 0, "%s `%s' too large", \
+ (Argument_type_string), (Str)); \
+ break; \
+ } \
+ } \
+ while (0)
+
+# define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err) \
+ _STRTOL_ERROR (exit_failure, Str, Argument_type_string, Err)
+
+# define STRTOL_FAIL_WARN(Str, Argument_type_string, Err) \
+ _STRTOL_ERROR (0, Str, Argument_type_string, Err)
+
+#endif /* not XSTRTOL_H_ */