From 701fce8e5cf875e42491207e6861da795908fbf5 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Sun, 22 Jul 2007 22:49:49 +0000
Subject: [PATCH]  r13858@catbus:  nickm | 2007-07-22 18:44:02 -0400  Fix/note
 some relatively trivial mem usage issues

svn:r10905
---
 src/common/torgzip.c  | 4 ++++
 src/or/circuitbuild.c | 3 ++-
 src/or/main.c         | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/common/torgzip.c b/src/common/torgzip.c
index 5a1e1e8a0b..f1771c183c 100644
--- a/src/common/torgzip.c
+++ b/src/common/torgzip.c
@@ -136,6 +136,10 @@ tor_gzip_compress(char **out, size_t *out_len,
   }
  done:
   *out_len = stream->total_out;
+  if (stream->total_out > out_size + 4097) {
+    /* If we're wasting more than 4k, don't. */
+    tor_realloc(*out, stream->total_out + 1);
+  }
   if (deflateEnd(stream)!=Z_OK) {
     log_warn(LD_BUG, "Error freeing gzip structures");
     goto err;
diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index 5cf90bd585..8f2e4ed747 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -1072,7 +1072,8 @@ circuit_get_unhandled_ports(time_t now)
   int i;
 
   for (i = 0; i < smartlist_len(source); ++i) {
-    tmp = tor_malloc(sizeof(uint16_t));
+    /*XXXX020 some of these are leaked somewhere.. fix that. */
+    tmp = tor_malloc(sizeof(uint16_t)); 
     memcpy(tmp, smartlist_get(source, i), sizeof(uint16_t));
     smartlist_add(dest, tmp);
   }
diff --git a/src/or/main.c b/src/or/main.c
index a41b8cb17f..085d3044e0 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -1763,6 +1763,7 @@ tor_free_all(int postfork)
   routerlist_free_all();
   addressmap_free_all();
   set_exit_redirects(NULL); /* free the registered exit redirects */
+  esc_router_info(NULL); /* free a static field */
   dirserv_free_all();
   rend_service_free_all();
   rend_cache_free_all();