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implement %y and %C specifiers in strptime

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This commit is contained in:
Timo Teräs 2014-05-14 10:53:56 +03:00 committed by Rich Felker
parent 9c2d437cb3
commit 348fc5561c
1 changed files with 10 additions and 4 deletions
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14
src/time/strptime.c
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@ -11,6 +11,7 @@ char *strptime(const char *restrict s, const char *restrict f, struct tm *restri
int i, w, neg, adj, min, range, *dest, dummy;
const char *ex;
size_t len;
int want_century = 0, century = 0;
while (*f) {
if (*f != '%') {
if (isspace(*f)) for (; *s && isspace(*s); s++);
@ -40,9 +41,9 @@ char *strptime(const char *restrict s, const char *restrict f, struct tm *restri
if (!s) return 0;
break;
case 'C':
/* FIXME */
dest = &dummy;
dest = &century;
if (w<0) w=2;
want_century |= 2;
goto numeric_digits;
case 'd': case 'e':
dest = &tm->tm_mday;
@ -135,14 +136,15 @@ char *strptime(const char *restrict s, const char *restrict f, struct tm *restri
if (!s) return 0;
break;
case 'y':
/* FIXME */
dest = &dummy;
dest = &tm->tm_year;
w = 2;
want_century |= 1;
goto numeric_digits;
case 'Y':
dest = &tm->tm_year;
if (w<0) w=4;
adj = 1900;
want_century = 0;
goto numeric_digits;
case '%':
if (*s++ != '%') return 0;
@ -187,5 +189,9 @@ char *strptime(const char *restrict s, const char *restrict f, struct tm *restri
;
}
}
if (want_century) {
if (want_century & 2) tm->tm_year += century * 100 - 1900;
else if (tm->tm_year <= 68) tm->tm_year += 100;
}
return (char *)s;
}