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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-25 14:44:13 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-25 14:44:13 +0000 |
| commit | ed836cdc30642ddbecc286b279d461ca44135cbb (patch) | |
| tree | 70735d4bd1e34de43aa3f8092446caf460bd2540 /libbb/xatonum.c | |
| parent | 809a6e310443d0b5010c8b293cab0160608c1b02 (diff) | |
| download | busybox-w32-ed836cdc30642ddbecc286b279d461ca44135cbb.tar.gz busybox-w32-ed836cdc30642ddbecc286b279d461ca44135cbb.tar.bz2 busybox-w32-ed836cdc30642ddbecc286b279d461ca44135cbb.zip | |
regularize str -> num convertors
Diffstat (limited to 'libbb/xatonum.c')
| -rw-r--r-- | libbb/xatonum.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/libbb/xatonum.c b/libbb/xatonum.c new file mode 100644 index 000000000..910667c14 --- /dev/null +++ b/libbb/xatonum.c | |||
| @@ -0,0 +1,91 @@ | |||
| 1 | /* vi: set sw=4 ts=4: */ | ||
| 2 | /* | ||
| 3 | * ascii-to-numbers implementations for busybox | ||
| 4 | * | ||
| 5 | * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> | ||
| 6 | * | ||
| 7 | * Licensed under GPLv2, see file LICENSE in this tarball for details. | ||
| 8 | */ | ||
| 9 | |||
| 10 | #include "libbb.h" | ||
| 11 | |||
| 12 | #define type long long | ||
| 13 | #define xstrtou(rest) xstrtoull##rest | ||
| 14 | #define xstrto(rest) xstrtoll##rest | ||
| 15 | #define xatou(rest) xatoull##rest | ||
| 16 | #define xato(rest) xatoll##rest | ||
| 17 | #define XSTR_UTYPE_MAX ULLONG_MAX | ||
| 18 | #define XSTR_TYPE_MAX LLONG_MAX | ||
| 19 | #define XSTR_TYPE_MIN LLONG_MIN | ||
| 20 | #define XSTR_STRTOU strtoull | ||
| 21 | #include "xatonum_template.c" | ||
| 22 | #undef type | ||
| 23 | #undef xstrtou | ||
| 24 | #undef xstrto | ||
| 25 | #undef xatou | ||
| 26 | #undef xato | ||
| 27 | #undef XSTR_UTYPE_MAX | ||
| 28 | #undef XSTR_TYPE_MAX | ||
| 29 | #undef XSTR_TYPE_MIN | ||
| 30 | #undef XSTR_STRTOU | ||
| 31 | |||
| 32 | #if ULONG_MAX != ULLONG_MAX | ||
| 33 | #define type long | ||
| 34 | #define xstrtou(rest) xstrtoul##rest | ||
| 35 | #define xstrto(rest) xstrtol##rest | ||
| 36 | #define xatou(rest) xatoul##rest | ||
| 37 | #define xato(rest) xatol##rest | ||
| 38 | #define XSTR_UTYPE_MAX ULONG_MAX | ||
| 39 | #define XSTR_TYPE_MAX LONG_MAX | ||
| 40 | #define XSTR_TYPE_MIN LONG_MIN | ||
| 41 | #define XSTR_STRTOU strtoul | ||
| 42 | #include "xatonum_template.c" | ||
| 43 | #undef type | ||
| 44 | #undef xstrtou | ||
| 45 | #undef xstrto | ||
| 46 | #undef xatou | ||
| 47 | #undef xato | ||
| 48 | #undef XSTR_UTYPE_MAX | ||
| 49 | #undef XSTR_TYPE_MAX | ||
| 50 | #undef XSTR_TYPE_MIN | ||
| 51 | #undef XSTR_STRTOU | ||
| 52 | #endif | ||
| 53 | |||
| 54 | #if UINT_MAX != ULONG_MAX | ||
| 55 | #define type int | ||
| 56 | #define xstrtou(rest) xstrtou##rest | ||
| 57 | #define xstrto(rest) xstrtoi##rest | ||
| 58 | #define xatou(rest) xatou##rest | ||
| 59 | #define xato(rest) xatoi##rest | ||
| 60 | #define XSTR_UTYPE_MAX UINT_MAX | ||
| 61 | #define XSTR_TYPE_MAX INT_MAX | ||
| 62 | #define XSTR_TYPE_MIN INT_MIN | ||
| 63 | #define XSTR_STRTOU strtoul | ||
| 64 | #include "xatonum_template.c" | ||
| 65 | #undef type | ||
| 66 | #undef xstrtou | ||
| 67 | #undef xstrto | ||
| 68 | #undef xatou | ||
| 69 | #undef xato | ||
| 70 | #undef XSTR_UTYPE_MAX | ||
| 71 | #undef XSTR_TYPE_MAX | ||
| 72 | #undef XSTR_TYPE_MIN | ||
| 73 | #undef XSTR_STRTOU | ||
| 74 | #endif | ||
| 75 | |||
| 76 | /* A few special cases */ | ||
| 77 | |||
| 78 | int xatoi_u(const char *numstr) | ||
| 79 | { | ||
| 80 | return xatoul_range(numstr, 0, INT_MAX); | ||
| 81 | } | ||
| 82 | |||
| 83 | uint32_t xatou32(const char *numstr) | ||
| 84 | { | ||
| 85 | return xatoul_range(numstr, 0, 0xffffffff); | ||
| 86 | } | ||
| 87 | |||
| 88 | uint16_t xatou16(const char *numstr) | ||
| 89 | { | ||
| 90 | return xatoul_range(numstr, 0, 0xffff); | ||
| 91 | } | ||