From bc5f79b95c5f809635bc84dbdd3010350bfbc269 Mon Sep 17 00:00:00 2001
From: Neel Chauhan <neel@neelc.org>
Date: Mon, 19 Mar 2018 12:27:07 -0400
Subject: [PATCH] Use tor_asprintf for in have_enough_mem_for_dircache()

(Fixes bug 20887)
---
 changes/bug20887 |  4 ++++
 src/or/config.c  | 15 +++++++--------
 2 files changed, 11 insertions(+), 8 deletions(-)
 create mode 100644 changes/bug20887

diff --git a/changes/bug20887 b/changes/bug20887
new file mode 100644
index 000000000..5d4e4ed23
--- /dev/null
+++ b/changes/bug20887
@@ -0,0 +1,4 @@
+  o Minor bugfixes (freebsd):
+    - In have_enough_mem_for_dircache(), the variable DIRCACHE_MIN_MEM_MB
+      does not stringify on FreeBSD, so we switch to tor_asprintf(). Fixes
+      bug 20887; bugfix on 0.2.8.1-alpha. Patch by Neel Chauhan.
diff --git a/src/or/config.c b/src/or/config.c
index 0b161554c..212c6c6b9 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -4625,15 +4625,14 @@ have_enough_mem_for_dircache(const or_options_t *options, size_t total_mem,
   if (options->DirCache) {
     if (total_mem < DIRCACHE_MIN_MEM_BYTES) {
       if (options->BridgeRelay) {
-        *msg = tor_strdup("Running a Bridge with less than "
-                      STRINGIFY(DIRCACHE_MIN_MEM_MB) " MB of memory is not "
-                      "recommended.");
+        tor_asprintf(msg, "Running a Bridge with less than %d MB of memory "
+                       "is not recommended.", DIRCACHE_MIN_MEM_MB);
       } else {
-        *msg = tor_strdup("Being a directory cache (default) with less than "
-                      STRINGIFY(DIRCACHE_MIN_MEM_MB) " MB of memory is not "
-                      "recommended and may consume most of the available "
-                      "resources, consider disabling this functionality by "
-                      "setting the DirCache option to 0.");
+        tor_asprintf(msg, "Being a directory cache (default) with less than "
+                       "%d MB of memory is not recommended and may consume "
+                       "most of the available resources. Consider disabling "
+                       "this functionality by setting the DirCache option "
+                       "to 0.", DIRCACHE_MIN_MEM_MB);
       }
     }
   } else {