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path: root/src/time/strftime.c
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-rw-r--r--src/time/strftime.c35
1 files changed, 32 insertions, 3 deletions
diff --git a/src/time/strftime.c b/src/time/strftime.c
index 19ffdbca..6b8a33f5 100644
--- a/src/time/strftime.c
+++ b/src/time/strftime.c
@@ -157,7 +157,11 @@ const char *__strftime_fmt_1(char (*s)[100], size_t *l, int f, const struct tm *
val = tm->tm_year % 100;
goto number;
case 'Y':
- val = tm->tm_year + 1900LL;
+ val = tm->tm_year + 1900;
+ if (val >= 10000) {
+ *l = snprintf(*s, sizeof *s, "+%lld", val);
+ return *s;
+ }
width = 4;
goto number;
case 'z':
@@ -193,7 +197,10 @@ size_t __strftime_l(char *restrict s, size_t n, const char *restrict f, const st
{
size_t l, k;
char buf[100];
+ char *p;
const char *t;
+ int plus;
+ unsigned long width;
for (l=0; l+1<n; f++) {
if (!*f) {
s[l] = 0;
@@ -204,10 +211,32 @@ size_t __strftime_l(char *restrict s, size_t n, const char *restrict f, const st
continue;
}
f++;
+ if ((plus = (*f == '+'))) f++;
+ width = strtoul(f, &p, 10);
+ if (*p == 'C' || *p == 'F' || *p == 'G' || *p == 'Y') {
+ if (!width && p!=f) width = 1;
+ if (width >= n-l) return 0;
+ } else {
+ width = 0;
+ }
+ f = p;
if (*f == 'E' || *f == 'O') f++;
t = __strftime_fmt_1(&buf, &k, *f, tm, loc);
- if (!t || k >= n-l)
- return 0;
+ if (!t) return 0;
+ 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++;
+ if (width >= n-l) return 0;
+ for (; width > k; width--)
+ s[l++] = '0';
+ }
+ if (k >= n-l) return 0;
memcpy(s+l, t, k);
l += k;
}