return c;
}
+static inline int kputw(int c, kstring_t *s)
+{
+ char buf[16];
+ int l, x;
+ if (c == 0) return kputc('0', s);
+ for (l = 0, x = c < 0? -c : c; x > 0; x /= 10) buf[l++] = x%10 + '0';
+ if (c < 0) buf[l++] = '-';
+ if (s->l + l + 1 >= s->m) {
+ s->m = s->l + l + 2;
+ kroundup32(s->m);
+ s->s = (char*)realloc(s->s, s->m);
+ }
+ for (x = l - 1; x >= 0; --x) s->s[s->l++] = buf[x];
+ s->s[s->l] = 0;
+ return 0;
+}
+
+static inline int kputuw(unsigned c, kstring_t *s)
+{
+ char buf[16];
+ int l, i;
+ unsigned x;
+ if (c == 0) return kputc('0', s);
+ for (l = 0, x = c; x > 0; x /= 10) buf[l++] = x%10 + '0';
+ if (s->l + l + 1 >= s->m) {
+ s->m = s->l + l + 2;
+ kroundup32(s->m);
+ s->s = (char*)realloc(s->s, s->m);
+ }
+ for (i = l - 1; i >= 0; --i) s->s[s->l++] = buf[i];
+ s->s[s->l] = 0;
+ return 0;
+}
+
static inline int *ksplit(kstring_t *s, int delimiter, int *n)
{
int max = 0, *offsets = 0;