int cnt;
readfd(f, b, 3);
cnt = int_byte_cnt[CVAL(b, 0)];
+#if SIZEOF_INT64 < 8
+ if (cnt > 5 || (cnt == 5 && (CVAL(b,0)&0x3F || CVAL(b,1)&0x80))) {
+ rprintf(FERROR, "Integer overflow: attempted 64-bit offset\n");
+ exit_cleanup(RERR_UNSUPPORTED);
+ }
+#endif
if (cnt > 3)
readfd(f, b + 3, cnt - 3);
switch (cnt) {
case 5:
num = NVAL5(b, 0xC0);
break;
+#if SIZEOF_INT64 >= 8
case 6:
num = NVAL6(b, 0xE0);
break;
case 9:
num = NVAL8(b+1, 0);
break;
+#endif
default:
- exit_cleanup(RERR_PROTOCOL); // XXX impossible
+ exit_cleanup(RERR_PROTOCOL); /* impossible... */
}
}
b[2] = (char)(x >> 8);
b[3] = (char)x;
writefd(f, b, 4);
+#if SIZEOF_INT64 < 8
+ } else {
+ b[0] = 0xC0;
+ b[1] = (char)(x >> 24);
+ b[2] = (char)(x >> 16);
+ b[3] = (char)(x >> 8);
+ b[4] = (char)x;
+ writefd(f, b, 5);
+ }
+#else
} else if (x < ((int64)1<<(5*8-3))) {
b[0] = (char)((x >> 32) | 0xC0);
b[1] = (char)(x >> 24);
b[3] = (char)(x >> 8);
b[4] = (char)x;
writefd(f, b, 5);
-#if SIZEOF_INT64 >= 8
} else if (x < ((int64)1<<(6*8-4))) {
b[0] = (char)((x >> 40) | 0xE0);
b[1] = (char)(x >> 32);
b[7] = (char)(x >> 8);
b[8] = (char)x;
writefd(f, b, 9);
-#endif
}
+#endif
}
void write_buf(int f, const char *buf, size_t len)