| /* vi: set sw=4 ts=4: */ |
| /* |
| * ascii-to-numbers implementations for busybox |
| * |
| * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> |
| * |
| * Licensed under GPLv2, see file LICENSE in this source tree. |
| */ |
| |
| #include "libbb.h" |
| |
| #define type long long |
| #define xstrtou(rest) xstrtoull##rest |
| #define xstrto(rest) xstrtoll##rest |
| #define xatou(rest) xatoull##rest |
| #define xato(rest) xatoll##rest |
| #define XSTR_UTYPE_MAX ULLONG_MAX |
| #define XSTR_TYPE_MAX LLONG_MAX |
| #define XSTR_TYPE_MIN LLONG_MIN |
| #define XSTR_STRTOU strtoull |
| #include "xatonum_template.c" |
| |
| #if ULONG_MAX != ULLONG_MAX |
| #define type long |
| #define xstrtou(rest) xstrtoul##rest |
| #define xstrto(rest) xstrtol##rest |
| #define xatou(rest) xatoul##rest |
| #define xato(rest) xatol##rest |
| #define XSTR_UTYPE_MAX ULONG_MAX |
| #define XSTR_TYPE_MAX LONG_MAX |
| #define XSTR_TYPE_MIN LONG_MIN |
| #define XSTR_STRTOU strtoul |
| #include "xatonum_template.c" |
| #endif |
| |
| #if UINT_MAX != ULONG_MAX |
| static ALWAYS_INLINE |
| unsigned bb_strtoui(const char *str, char **end, int b) |
| { |
| unsigned long v = strtoul(str, end, b); |
| if (v > UINT_MAX) { |
| errno = ERANGE; |
| return UINT_MAX; |
| } |
| return v; |
| } |
| #define type int |
| #define xstrtou(rest) xstrtou##rest |
| #define xstrto(rest) xstrtoi##rest |
| #define xatou(rest) xatou##rest |
| #define xato(rest) xatoi##rest |
| #define XSTR_UTYPE_MAX UINT_MAX |
| #define XSTR_TYPE_MAX INT_MAX |
| #define XSTR_TYPE_MIN INT_MIN |
| /* libc has no strtoui, so we need to create/use our own */ |
| #define XSTR_STRTOU bb_strtoui |
| #include "xatonum_template.c" |
| #endif |
| |
| /* A few special cases */ |
| |
| int FAST_FUNC xatoi_positive(const char *numstr) |
| { |
| return xatou_range(numstr, 0, INT_MAX); |
| } |
| |
| uint16_t FAST_FUNC xatou16(const char *numstr) |
| { |
| return xatou_range(numstr, 0, 0xffff); |
| } |
| |
| const struct suffix_mult bkm_suffixes[] = { |
| { "b", 512 }, |
| { "k", 1024 }, |
| { "m", 1024*1024 }, |
| { "", 0 } |
| }; |
| |
| const struct suffix_mult cwbkMG_suffixes[] = { |
| { "c", 1 }, |
| { "w", 2 }, |
| { "b", 512 }, |
| { "kB", 1000 }, |
| { "kD", 1000 }, |
| { "k", 1024 }, |
| { "KB", 1000 }, /* compat with coreutils dd */ |
| { "KD", 1000 }, /* compat with coreutils dd */ |
| { "K", 1024 }, /* compat with coreutils dd */ |
| { "MB", 1000000 }, |
| { "MD", 1000000 }, |
| { "M", 1024*1024 }, |
| { "GB", 1000000000 }, |
| { "GD", 1000000000 }, |
| { "G", 1024*1024*1024 }, |
| /* "D" suffix for decimal is not in coreutils manpage, looks like it's deprecated */ |
| /* coreutils also understands TPEZY suffixes for tera- and so on, with B suffix for decimal */ |
| { "", 0 } |
| }; |