117 lines
2.7 KiB
C
117 lines
2.7 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 long
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#define xstrtou(rest) xstrtoull##rest
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#define xstrto(rest) xstrtoll##rest
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#define xatou(rest) xatoull##rest
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#define xato(rest) xatoll##rest
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#define XSTR_UTYPE_MAX ULLONG_MAX
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#define XSTR_TYPE_MAX LLONG_MAX
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#define XSTR_TYPE_MIN LLONG_MIN
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#define XSTR_STRTOU strtoull
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#include "xatonum_template.c"
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#if ULONG_MAX != ULLONG_MAX
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#define type long
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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_template.c"
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#endif
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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(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_template.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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const struct suffix_mult cwbkMG_suffixes[] = {
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{ "c", 1 },
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{ "w", 2 },
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{ "b", 512 },
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{ "kB", 1000 },
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{ "kD", 1000 },
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{ "k", 1024 },
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{ "KB", 1000 }, /* compat with coreutils dd */
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{ "KD", 1000 }, /* compat with coreutils dd */
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{ "K", 1024 }, /* compat with coreutils dd */
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{ "MB", 1000000 },
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{ "MD", 1000000 },
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{ "M", 1024*1024 },
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{ "GB", 1000000000 },
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{ "GD", 1000000000 },
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{ "G", 1024*1024*1024 },
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/* "D" suffix for decimal is not in coreutils manpage, looks like it's deprecated */
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/* coreutils also understands TPEZY suffixes for tera- and so on, with B suffix for decimal */
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{ "", 0 }
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};
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const struct suffix_mult kmg_i_suffixes[] = {
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{ "KiB", 1024 },
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{ "kiB", 1024 },
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{ "K", 1024 },
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{ "k", 1024 },
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{ "MiB", 1048576 },
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{ "miB", 1048576 },
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{ "M", 1048576 },
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{ "m", 1048576 },
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{ "GiB", 1073741824 },
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{ "giB", 1073741824 },
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{ "G", 1073741824 },
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{ "g", 1073741824 },
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{ "KB", 1000 },
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{ "MB", 1000000 },
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{ "GB", 1000000000 },
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{ "", 0 }
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};
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