fix pl-tai

packages/PLStream/libtai/caldate_fmt.c

@@ -0,0 +1,24 @@
+#include "tai.h"
+#include "caldate.h"
+
+unsigned int caldate_fmt(char *s, struct caldate *cd)
+{
+  long x;
+  int i = 0;
+
+  x = cd->year; if (x < 0) x = -x; do { ++i; x /= 10; } while(x);
+
+  if (s) {
+    x = cd->year;
+    if (x < 0) { x = -x; *s++ = '-'; }
+    s += i; do { *--s = '0' + (char)(x % 10); x /= 10; } while(x); s += i;
+
+    x = cd->month;
+    s[0] = '-'; s[2] = '0' + (char)(x % 10); x /= 10; s[1] = '0' + (char)(x % 10);
+
+    x = cd->day;
+    s[3] = '-'; s[5] = '0' + (char)(x % 10); x /= 10; s[4] = '0' + (char)(x % 10);
+  }
+
+  return (cd->year < 0) + i + 6;
+}