root/lib/xstrtol.h

INCLUDED FROM

DEFINITIONS

1. _DECLARE_XSTRTOL

#ifndef XSTRTOL_H_
# define XSTRTOL_H_ 1

# if HAVE_INTTYPES_H
#  include <inttypes.h> /* for uintmax_t */
# endif

# ifndef PARAMS
#  if defined PROTOTYPES || (defined __STDC__ && __STDC__)
#   define PARAMS(Args) Args
#  else
#   define PARAMS(Args) ()
#  endif
# endif

# ifndef _STRTOL_ERROR
enum strtol_error
  {
    LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW
  };
typedef enum strtol_error strtol_error;
# endif

# define _DECLARE_XSTRTOL(name, type) \
  strtol_error \
    name PARAMS ((const char *s, char **ptr, int base, \
                  type *val, const char *valid_suffixes));
_DECLARE_XSTRTOL (xstrtol, long int)
_DECLARE_XSTRTOL (xstrtoul, unsigned long int)
_DECLARE_XSTRTOL (xstrtoumax, uintmax_t)

# 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:                                          \
          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 (2, 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_ */