diff options
Diffstat (limited to '05/musl-0.6.0/src/stdlib/wcstoimax.c')
-rw-r--r-- | 05/musl-0.6.0/src/stdlib/wcstoimax.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/05/musl-0.6.0/src/stdlib/wcstoimax.c b/05/musl-0.6.0/src/stdlib/wcstoimax.c new file mode 100644 index 0000000..59894f6 --- /dev/null +++ b/05/musl-0.6.0/src/stdlib/wcstoimax.c @@ -0,0 +1,25 @@ +#include <wchar.h> +#include <wctype.h> +#include <inttypes.h> +#include <errno.h> + +intmax_t wcstoimax(const wchar_t *s, wchar_t **p, int base) +{ + int sign = 0; + uintmax_t x; + + /* Initial whitespace */ + for (; iswspace(*s); s++); + + /* Optional sign */ + if (*s == '-') sign = *s++; + else if (*s == '+') s++; + + x = wcstoumax(s, p, base); + if (x > INTMAX_MAX) { + if (!sign || -x != INTMAX_MIN) + errno = ERANGE; + return sign ? INTMAX_MIN : INTMAX_MAX; + } + return sign ? -x : x; +} |