[tor-commits] [tor/master] Fix clang 3.1 compile warning in crypto.c

[nickm at torproject.org]

commit a5a8296892441bf43553f294bcdbc54b428b621f
Author: Sebastian Hahn <sebastian at torproject.org>
Date:   Sun May 27 18:28:15 2012 +0200

    Fix clang 3.1 compile warning in crypto.c
    
    (Tweaked by nickm)
---
 changes/bug5969     |    4 ++++
 src/common/crypto.c |   11 ++++-------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/changes/bug5969 b/changes/bug5969
new file mode 100644
index 0000000..477d3dd
--- /dev/null
+++ b/changes/bug5969
@@ -0,0 +1,4 @@
+  o Minor bugfixes:
+    - Fix a compile warning in crypto.c when compiling with clang 3.1.
+      Fixes bug 5969, bugfix on 0.2.3.9-alpha.
+
diff --git a/src/common/crypto.c b/src/common/crypto.c
index f82598f..8feac95 100644
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@@ -1806,7 +1806,6 @@ crypto_get_stored_dynamic_dh_modulus(const char *fname)
   char *contents = NULL;
   const char *contents_tmp = NULL;
   int dh_codes;
-  char *fname_new = NULL;
   DH *stored_dh = NULL;
   BIGNUM *dynamic_dh_modulus = NULL;
   int length = 0;
@@ -1881,12 +1880,10 @@ crypto_get_stored_dynamic_dh_modulus(const char *fname)
 
  err:
 
-  { /* move broken prime to $filename.broken */
-    fname_new = tor_malloc(strlen(fname) + 8);
-
-    /* no can do if these functions return error */
-    strlcpy(fname_new, fname, strlen(fname) + 8);
-    strlcat(fname_new, ".broken", strlen(fname) + 8);
+  {
+    /* move broken prime to $filename.broken */
+    char *fname_new=NULL;
+    tor_asprintf(&fname_new, "%s.broken", fname);
 
     log_warn(LD_CRYPTO, "Moving broken dynamic DH prime to '%s'.", fname_new);