GLOBALS(
long maxdepth;
- long depth, total;
+ unsigned long depth, total;
dev_t st_dev;
void *inodes;
)
return 0;
}
-// dirtree callback, comput/display size of node
+// dirtree callback, compute/display size of node
static int do_du(struct dirtree *node)
{
+ unsigned long blocks;
+
if (!node->parent) TT.st_dev = node->st.st_dev;
else if (!dirtree_notdotdot(node)) return 0;
} else TT.depth--;
}
- node->extra += node->st.st_blocks;
- if (node->parent) node->parent->extra += node->extra;
+ // Modern compilers' optimizers are insane and think signed overflow
+ // behaves differently than unsigned overflow. Sigh. Big hammer.
+ blocks = node->st.st_blocks + (unsigned long)node->extra;
+ node->extra = blocks;
+ if (node->parent)
+ node->parent->extra = (unsigned long)node->parent->extra+blocks;
else TT.total += node->extra;
if ((toys.optflags & FLAG_a) || !node->parent
|| (S_ISDIR(node->st.st_mode) && !(toys.optflags & FLAG_s)))
{
- print(node->extra*512, node);
+ blocks = node->extra;
+ print(blocks*512LL, node);
}
return 0;