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initial check-in, version 0.5.0

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This commit is contained in:
Rich Felker
2011-02-12 00:22:29 -05:00
commit 0b44a0315b
1021 changed files with 45711 additions and 0 deletions
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178
src/time/strptime.c Normal file
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#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