diff options
Diffstat (limited to 'libc-top-half/musl/src/time/wcsftime.c')
-rw-r--r-- | libc-top-half/musl/src/time/wcsftime.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/time/wcsftime.c b/libc-top-half/musl/src/time/wcsftime.c new file mode 100644 index 0000000..8e1437b --- /dev/null +++ b/libc-top-half/musl/src/time/wcsftime.c @@ -0,0 +1,71 @@ +#include <wchar.h> +#include <time.h> +#include <locale.h> +#include "locale_impl.h" +#include "time_impl.h" + +size_t __wcsftime_l(wchar_t *restrict s, size_t n, const wchar_t *restrict f, const struct tm *restrict tm, locale_t loc) +{ + size_t l, k; + char buf[100]; + wchar_t wbuf[100]; + wchar_t *p; + const char *t_mb; + const wchar_t *t; + int pad, plus; + unsigned long width; + for (l=0; l<n; f++) { + if (!*f) { + s[l] = 0; + return l; + } + if (*f != '%') { + s[l++] = *f; + continue; + } + f++; + pad = 0; + if (*f == '-' || *f == '_' || *f == '0') pad = *f++; + if ((plus = (*f == '+'))) f++; + width = wcstoul(f, &p, 10); + if (*p == 'C' || *p == 'F' || *p == 'G' || *p == 'Y') { + if (!width && p!=f) width = 1; + } else { + width = 0; + } + f = p; + if (*f == 'E' || *f == 'O') f++; + t_mb = __strftime_fmt_1(&buf, &k, *f, tm, loc, pad); + if (!t_mb) break; + k = mbstowcs(wbuf, t_mb, sizeof wbuf / sizeof *wbuf); + if (k == (size_t)-1) return 0; + t = wbuf; + if (width) { + for (; *t=='+' || *t=='-' || (*t=='0'&&t[1]); t++, k--); + width--; + if (plus && tm->tm_year >= 10000-1900) + s[l++] = '+'; + else if (tm->tm_year < -1900) + s[l++] = '-'; + else + width++; + for (; width > k && l < n; width--) + s[l++] = '0'; + } + if (k >= n-l) k = n-l; + wmemcpy(s+l, t, k); + l += k; + } + if (n) { + if (l==n) l=n-1; + s[l] = 0; + } + return 0; +} + +size_t wcsftime(wchar_t *restrict wcs, size_t n, const wchar_t *restrict f, const struct tm *restrict tm) +{ + return __wcsftime_l(wcs, n, f, tm, CURRENT_LOCALE); +} + +weak_alias(__wcsftime_l, wcsftime_l); |