libdhcp: Reduce stack use

1 files changed, 6 insertions, 0 deletions

diff --git a/build-aux/stack.c.gen b/build-aux/stack.c.gen
index ae05a78..97775a6 100755
--- a/build-aux/stack.c.gen
+++ b/build-aux/stack.c.gen
@@ -209,7 +209,10 @@ def main(ci_fnames: list[str]) -> None:
 
     print("/*")
 
+    dbg = False
+
     def nstatic(funcname: str, chain: list[str] = []) -> int:
+        nonlocal dbg
         if funcname not in graph:
             if f"__wrap_{funcname}" in graph:
                 # Handle `ld --wrap` functions
@@ -224,6 +227,8 @@ def main(ci_fnames: list[str]) -> None:
             cycles.add(f"{chain[chain.index(funcname):] + [funcname]}")
             return 9999999
         node = graph[funcname]
+        if dbg:
+            print(f"//dbg: {funcname}\t{node.nstatic}")
         return node.nstatic + max(
             [0, *[nstatic(call, chain + [funcname]) for call in node.calls]]
         )
@@ -234,6 +239,7 @@ def main(ci_fnames: list[str]) -> None:
 
     for funcname in graph:
         if funcname.endswith("_cr"):
+            # dbg = "dhcp" in funcname
             print(f"{funcname.ljust(namelen)} {str(nstatic(funcname)).rjust(numlen)}")
 
     print(("=" * namelen) + " " + "=" * numlen)