Merge pull request libgit2#62 from rowanj/ErrorHandling

Handle a NULL dereference causing a segfault
rwilcox · Apr 26, 2012 · d633d70 · d633d70
2 parents d19b3b1 + 3056fa2
commit d633d70
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/Classes/GTIndexEntry.m b/Classes/GTIndexEntry.m
@@ -61,6 +61,9 @@ - (void)dealloc {
 @synthesize repository;
 
 + (id)indexEntryWithEntry:(git_index_entry *)theEntry {
+	if (theEntry == NULL)
+		return nil;
+
 	return [[self alloc] initWithEntry:theEntry];
 }
 
@@ -73,8 +76,11 @@ - (id)init {
 
 - (id)initWithEntry:(git_index_entry *)theEntry {
 	if((self = [self init])) {
-        git_index_entry *thisEntry = self.git_index_entry;
-        memcpy(thisEntry, theEntry, sizeof(git_index_entry));
+		if (theEntry)
+		{
+			git_index_entry *thisEntry = self.git_index_entry;
+			memcpy(thisEntry, theEntry, sizeof(git_index_entry));
+		}
 	}
 	return self;
 }