diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-25 17:44:13 +0300 |
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committer | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-25 17:44:13 +0300 |
commit | ed836cdc30642ddbecc286b279d461ca44135cbb (patch) | |
tree | 70735d4bd1e34de43aa3f8092446caf460bd2540 /libbb/xatonum.c | |
parent | 809a6e310443d0b5010c8b293cab0160608c1b02 (diff) |
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 @@ +/* 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 tarball for details. + */ + +#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" +#undef type +#undef xstrtou +#undef xstrto +#undef xatou +#undef xato +#undef XSTR_UTYPE_MAX +#undef XSTR_TYPE_MAX +#undef XSTR_TYPE_MIN +#undef XSTR_STRTOU + +#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" +#undef type +#undef xstrtou +#undef xstrto +#undef xatou +#undef xato +#undef XSTR_UTYPE_MAX +#undef XSTR_TYPE_MAX +#undef XSTR_TYPE_MIN +#undef XSTR_STRTOU +#endif + +#if UINT_MAX != ULONG_MAX +#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 +#define XSTR_STRTOU strtoul +#include "xatonum_template.c" +#undef type +#undef xstrtou +#undef xstrto +#undef xatou +#undef xato +#undef XSTR_UTYPE_MAX +#undef XSTR_TYPE_MAX +#undef XSTR_TYPE_MIN +#undef XSTR_STRTOU +#endif + +/* A few special cases */ + +int xatoi_u(const char *numstr) +{ + return xatoul_range(numstr, 0, INT_MAX); +} + +uint32_t xatou32(const char *numstr) +{ + return xatoul_range(numstr, 0, 0xffffffff); +} + +uint16_t xatou16(const char *numstr) +{ + return xatoul_range(numstr, 0, 0xffff); +} |