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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-25 14:49:04 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2006-11-25 14:49:04 +0000 |
| commit | 43bddf31e95080abf7232952da9064207636f47b (patch) | |
| tree | bcd498d7eb67a83b49f55d881fedc8ff05d89fb5 /libbb/xatonum.c | |
| parent | f2408e6c3ff5f9f798bb5553346d9e1657dc9833 (diff) | |
| download | busybox-43bddf31e95080abf7232952da9064207636f47b.tar.gz | |
small improvements in str -> num convertors
Diffstat (limited to 'libbb/xatonum.c')
| -rw-r--r-- | libbb/xatonum.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/libbb/xatonum.c b/libbb/xatonum.c index 910667c14..0d487dd9b 100644 --- a/libbb/xatonum.c +++ b/libbb/xatonum.c @@ -52,6 +52,15 @@ #endif #if UINT_MAX != ULONG_MAX +extern 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 @@ -60,7 +69,8 @@ #define XSTR_UTYPE_MAX UINT_MAX #define XSTR_TYPE_MAX INT_MAX #define XSTR_TYPE_MIN INT_MIN -#define XSTR_STRTOU strtoul +/* libc has no strtoui, so we need to create/use our own */ +#define XSTR_STRTOU bb_strtoui #include "xatonum_template.c" #undef type #undef xstrtou @@ -77,7 +87,7 @@ int xatoi_u(const char *numstr) { - return xatoul_range(numstr, 0, INT_MAX); + return xatou_range(numstr, 0, INT_MAX); } uint32_t xatou32(const char *numstr) @@ -87,5 +97,5 @@ uint32_t xatou32(const char *numstr) uint16_t xatou16(const char *numstr) { - return xatoul_range(numstr, 0, 0xffff); + return xatou_range(numstr, 0, 0xffff); } |