initial check-in, version 0.5.0v0.5.0

1 files changed, 178 insertions, 0 deletions

diff --git a/src/time/strptime.c b/src/time/strptime.c
new file mode 100644
index 00000000..db72e610
--- /dev/null
+++ b/src/time/strptime.c
@@ -0,0 +1,178 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <langinfo.h>
+#include <time.h>
+
+const char *__langinfo(nl_item);
+
+char *strptime(const char *s, const char *f, struct tm *tm)
+{
+	return NULL;
+}
+
+#if 0
+
+char *strptime(const char *s, const char *f, struct tm *tm)
+{
+	nl_item item;
+	int *dest;
+	const char *fmt;
+	for (; *f; f++) {
+		if (isspace(*f)) goto whitespace;
+		if (*f == '%') {
+do_fmt:
+		switch (*++f) {
+		case '%':
+			goto literal;
+		case 'E':
+		case 'O':
+			goto do_fmt;
+		case 'a':
+			item = ABDAY_1 + tm->tm_wday;
+			goto nl_strcat;
+		case 'A':
+			item = DAY_1 + tm->tm_wday;
+			goto nl_strcat;
+		case 'h':
+		case 'b':
+			item = ABMON_1 + tm->tm_mon;
+			goto nl_strcat;
+		case 'B':
+			item = MON_1 + tm->tm_mon;
+			goto nl_strcat;
+		case 'c':
+			item = D_T_FMT;
+			goto nl_strftime;
+		case 'C':
+			val = (1900+tm->tm_year) / 100;
+			fmt = "%02d";
+			goto number;
+		case 'd':
+			val = tm->tm_mday;
+			fmt = "%02d";
+			goto number;
+		case 'D':
+			fmt = "%m/%d/%y";
+			goto recu_strftime;
+		case 'e':
+			val = tm->tm_mday;
+			fmt = "%2d";
+			goto number;
+		case 'F':
+			fmt = "%Y-%m-%d";
+			goto recu_strftime;
+		case 'g':
+			// FIXME
+			val = 0; //week_based_year(tm)%100;
+			fmt = "%02d";
+			goto number;
+		case 'G':
+			// FIXME
+			val = 0; //week_based_year(tm);
+			fmt = "%04d";
+			goto number;
+		case 'H':
+			val = tm->tm_hour;
+			fmt = "%02d";
+			goto number;
+		case 'I':
+			val = tm->tm_hour;
+			if (!val) val = 12;
+			else if (val > 12) val -= 12;
+			fmt = "%02d";
+			goto number;
+		case 'j':
+			val = tm->tm_yday+1;
+			fmt = "%03d";
+			goto number;
+		case 'm':
+			val = tm->tm_mon+1;
+			fmt = "%02d";
+			goto number;
+		case 'M':
+			val = tm->tm_min;
+			fmt = "%02d";
+			goto number;
+		case 'n':
+		case 't':
+			goto whitespace;
+		case 'p':
+			item = tm->tm_hour >= 12 ? PM_STR : AM_STR;
+			goto nl_strcat;
+		case 'r':
+			item = T_FMT_AMPM;
+			goto nl_strftime;
+		case 'R':
+			fmt = "%H:%M";
+			goto recu_strftime;
+		case 'S':
+			val = tm->tm_sec;
+			fmt = "%02d";
+			goto number;
+		case 'T':
+			fmt = "%H:%M:%S";
+			goto recu_strftime;
+		case 'u':
+			val = tm->tm_wday ? tm->tm_wday : 7;
+			fmt = "%d";
+			goto number;
+		case 'U':
+		case 'V':
+		case 'W':
+			// FIXME: week number mess..
+			continue;
+		case 'w':
+			val = tm->tm_wday;
+			fmt = "%d";
+			goto number;
+		case 'x':
+			item = D_FMT;
+			goto nl_strftime;
+		case 'X':
+			item = T_FMT;
+			goto nl_strftime;
+		case 'y':
+			val = tm->tm_year % 100;
+			fmt = "%02d";
+			goto number;
+		case 'Y':
+			val = tm->tm_year + 1900;
+			fmt = "%04d";
+			goto number;
+		case 'z':
+			if (tm->tm_isdst < 0) continue;
+			val = timezone + (tm->tm_isdst) ? __dst_offset : 0;
+			l += snprintf(s+l, n-l, "%+02d%02d", val/60, abs(val%60));
+			continue;
+		case 'Z':
+			if (tm->tm_isdst < 0 || !tzname[0] || !tzname[0][0])
+				continue;
+			l += snprintf(s+l, n-l, "%s", tzname[!!tm->tm_isdst]);
+			continue;
+		}
+		default:
+			return NULL;
+		}
+literal:
+		if (*s++ != *f) return NULL;
+		continue;
+whitespace:
+		while(isspace(*s)) s++;
+		continue;
+number:
+		l += snprintf(s+l, n-l, fmt, val);
+		continue;
+nl_strcat:
+		l += snprintf(s+l, n-l, "%s", __langinfo(item));
+		continue;
+nl_strftime:
+		fmt = __langinfo(item);
+recu_strftime:
+		l += strftime(s+l, n-l, fmt, tm);
+	}
+	if (l >= n) return 0;
+	s[l] = 0;
+	return l;
+}
+
+#endif