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70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
#ifndef XSTRTOL_H_
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# define XSTRTOL_H_ 1
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# if STRING_TO_UNSIGNED
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# define __xstrtol xstrtoul
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# define __strtol strtoul
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# define __unsigned unsigned
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# define __ZLONG_MAX ULONG_MAX
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# else
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# define __xstrtol xstrtol
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# define __strtol strtol
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# define __unsigned /* empty */
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# define __ZLONG_MAX LONG_MAX
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# endif
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# undef PARAMS
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# if defined (__STDC__) && __STDC__
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# define PARAMS(Args) Args
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# else
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# define PARAMS(Args) ()
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# endif
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#ifndef _STRTOL_ERROR
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enum strtol_error
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{
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LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW
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};
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typedef enum strtol_error strtol_error;
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#endif
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strtol_error
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__xstrtol PARAMS ((const char *s, char **ptr, int base,
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__unsigned long int *val, const char *valid_suffixes));
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#undef _STRTOL_ERROR
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# define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \
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do \
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{ \
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switch ((Err)) \
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{ \
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case LONGINT_OK: \
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abort (); \
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\
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case LONGINT_INVALID: \
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error ((Exit_code), 0, "invalid %s `%s'", \
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(Argument_type_string), (Str)); \
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break; \
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\
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case LONGINT_INVALID_SUFFIX_CHAR: \
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error ((Exit_code), 0, "invalid character following %s `%s'", \
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(Argument_type_string), (Str)); \
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break; \
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\
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case LONGINT_OVERFLOW: \
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/* FIXME: make this message dependent on STRING_TO_UNSIGNED */\
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error ((Exit_code), 0, "%s `%s' larger than maximum long int",\
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(Argument_type_string), (Str)); \
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break; \
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} \
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} \
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while (0)
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# define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err) \
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_STRTOL_ERROR (2, Str, Argument_type_string, Err)
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# define STRTOL_FAIL_WARN(Str, Argument_type_string, Err) \
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_STRTOL_ERROR (0, Str, Argument_type_string, Err)
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#endif /* not XSTRTOL_H_ */
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