coreutils/lib/xstrtol.h
1995-03-12 18:06:08 +00:00

66 lines
1.6 KiB
C

#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
#undef __P
#if defined (__STDC__) && __STDC__
#define __P(x) x
#else
#define __P(x) ()
#endif
enum strtol_error
{
LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW
};
typedef enum strtol_error strtol_error;
strtol_error
__xstrtol __P ((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: \
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_ */