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      1 #include "shgetc.h"
      2 #include "intscan.h"
      3 #include <inttypes.h>
      4 #include <limits.h>
      5 #include <wctype.h>
      6 #include <wchar.h>
      7 
      8 static unsigned long long wcstox(const wchar_t * restrict s,
      9                                  wchar_t ** restrict p,
     10                                  int base,
     11                                  unsigned long long lim)
     12 {
     13     struct fake_file_t f;
     14     wchar_t *t = (wchar_t *)s;
     15     while (iswspace(*t)) t++;
     16     shinit_wcstring(&f, t);
     17     unsigned long long y = __intscan(&f, base, 1, lim);
     18     if (p) {
     19         size_t cnt = shcnt(&f);
     20         *p = cnt ? t + cnt : (wchar_t *)s;
     21     }
     22     return y;
     23 }
     24 
     25 unsigned long long wcstoull(const wchar_t *restrict s,
     26                             wchar_t **restrict p,
     27                             int base)
     28 {
     29     return wcstox(s, p, base, ULLONG_MAX);
     30 }
     31 
     32 long long wcstoll(const wchar_t *restrict s, wchar_t **restrict p, int base)
     33 {
     34     return wcstox(s, p, base, LLONG_MIN);
     35 }
     36 
     37 unsigned long wcstoul(const wchar_t *restrict s,
     38                       wchar_t **restrict p,
     39                       int base)
     40 {
     41     return wcstox(s, p, base, ULONG_MAX);
     42 }
     43 
     44 long wcstol(const wchar_t *restrict s, wchar_t **restrict p, int base)
     45 {
     46     return wcstox(s, p, base, 0UL+LONG_MIN);
     47 }
     48 
     49 intmax_t wcstoimax(const wchar_t *restrict s,
     50                    wchar_t **restrict p,
     51                    int base)
     52 {
     53     return wcstoll(s, p, base);
     54 }
     55 
     56 uintmax_t wcstoumax(const wchar_t *restrict s,
     57                     wchar_t **restrict p,
     58                     int base)
     59 {
     60     return wcstoull(s, p, base);
     61 }
     62