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73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* ascii-to-numbers implementations for busybox
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*
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* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
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*
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* Licensed under GPLv2, see file LICENSE in this source tree.
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*/
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#include "libbb.h"
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#define type long
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#define xstrtou xstrtoul
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#define xstrto xstrtol
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#define xatou xatoul
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#define xato xatol
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#define xstrtou_(rest) xstrtoul_##rest
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#define xstrto_(rest) xstrtol_##rest
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#define xatou_(rest) xatoul_##rest
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#define xato_(rest) xatol_##rest
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#define XSTR_UTYPE_MAX ULONG_MAX
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#define XSTR_TYPE_MAX LONG_MAX
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#define XSTR_TYPE_MIN LONG_MIN
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#define XSTR_STRTOU strtoul
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#include "xatonum.tmplt.c"
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#if UINT_MAX != ULONG_MAX
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static ALWAYS_INLINE
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unsigned bb_strtoui(const char *str, char **end, int b)
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{
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unsigned long v = strtoul(str, end, b);
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if (v > UINT_MAX) {
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errno = ERANGE;
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return UINT_MAX;
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}
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return v;
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}
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#define type int
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#define xstrtou xstrtou
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#define xstrto xstrtoi
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#define xatou xatou
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#define xato xatoi
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#define xstrtou_(rest) xstrtou_##rest
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#define xstrto_(rest) xstrtoi_##rest
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#define xatou_(rest) xatou_##rest
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#define xato_(rest) xatoi_##rest
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#define XSTR_UTYPE_MAX UINT_MAX
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#define XSTR_TYPE_MAX INT_MAX
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#define XSTR_TYPE_MIN INT_MIN
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/* libc has no strtoui, so we need to create/use our own */
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#define XSTR_STRTOU bb_strtoui
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#include "xatonum.tmplt.c"
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#endif
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/* A few special cases */
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int FAST_FUNC xatoi_positive(const char *numstr)
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{
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return xatou_range(numstr, 0, INT_MAX);
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}
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uint16_t FAST_FUNC xatou16(const char *numstr)
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{
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return xatou_range(numstr, 0, 0xffff);
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}
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const struct suffix_mult bkm_suffixes[] = {
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{ "b", 512 },
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{ "k", 1024 },
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{ "m", 1024*1024 },
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{ "", 0 }
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};
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