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-rw-r--r--src/time/strftime.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/src/time/strftime.c b/src/time/strftime.c
index 16b3bb21..708875ee 100644
--- a/src/time/strftime.c
+++ b/src/time/strftime.c
@@ -251,15 +251,21 @@ size_t __strftime_l(char *restrict s, size_t n, const char *restrict f, const st
t = __strftime_fmt_1(&buf, &k, *f, tm, loc, pad);
if (!t) break;
if (width) {
+ /* Trim off any sign and leading zeros, then
+ * count remaining digits to determine behavior
+ * for the + flag. */
if (*t=='+' || *t=='-') t++, k--;
for (; *t=='0' && t[1]-'0'<10U; t++, k--);
- width--;
- if (plus && tm->tm_year >= 10000-1900)
- s[l++] = '+';
- else if (tm->tm_year < -1900)
+ if (width < k) width = k;
+ size_t d;
+ for (d=0; t[d]-'0'<10U; d++);
+ if (tm->tm_year < -1900) {
s[l++] = '-';
- else
- width++;
+ width--;
+ } else if (plus && d+(width-k) >= (*p=='C'?3:5)) {
+ s[l++] = '+';
+ width--;
+ }
for (; width > k && l < n; width--)
s[l++] = '0';
}