Fix:Analyzer complains that -[init] causes a call to calloc() with 0 as the number of bytes, and calloc isn't defined for 0.

DELTA=6  (5 added, 0 deleted, 1 changed)

1 files changed, 6 insertions, 1 deletions

diff --git a/Foundation/GTMLoggerRingBufferWriter.m b/Foundation/GTMLoggerRingBufferWriter.m
index 30bd6b6..20f2795 100644
--- a/Foundation/GTMLoggerRingBufferWriter.m
+++ b/Foundation/GTMLoggerRingBufferWriter.m
@@ -65,7 +65,12 @@ typedef void (GTMRingBufferPairCallback)(GTMLoggerRingBufferWriter *rbw,
     writer_ = [writer retain];
     capacity_ = capacity;
 
-    buffer_ = (GTMRingBufferPair *)calloc(capacity_, sizeof(GTMRingBufferPair));
+    // iVars are initialized to NULL.
+    // Calling calloc with 0 is outside the standard.
+    if (capacity_) {
+      buffer_ = (GTMRingBufferPair *)calloc(capacity_,
+                                            sizeof(GTMRingBufferPair));
+    }
 
     nextIndex_ = 0;