Fix up ~14 warnings about 'Implicit conversion loses integer precision' on iOS.

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1281 4c0a9323-5329-0410-9bdc-e9ce6186880e

2 files changed, 4 insertions, 2 deletions

diff --git a/src/client/ios/Breakpad.mm b/src/client/ios/Breakpad.mm
index 36d82d36..65bf51e9 100644
--- a/src/client/ios/Breakpad.mm
+++ b/src/client/ios/Breakpad.mm
@@ -780,7 +780,7 @@ int BreakpadGetCrashReportCount(BreakpadRef ref) {
     Breakpad *breakpad = (Breakpad *)ref;
 
     if (breakpad) {
-       return [breakpad->CrashReportsToUpload() count];
+       return static_cast<int>([breakpad->CrashReportsToUpload() count]);
     }
   } catch(...) {    // don't let exceptions leave this C API
     fprintf(stderr, "BreakpadGetCrashReportCount() : error\n");
diff --git a/src/client/ios/handler/ios_exception_minidump_generator.mm b/src/client/ios/handler/ios_exception_minidump_generator.mm
index 081b4c96..82ea5bb5 100644
--- a/src/client/ios/handler/ios_exception_minidump_generator.mm
+++ b/src/client/ios/handler/ios_exception_minidump_generator.mm
@@ -166,6 +166,8 @@ bool IosExceptionMinidumpGenerator::WriteThreadStream(mach_port_t thread_id,
     return MinidumpGenerator::WriteThreadStream(thread_id, thread);
 
   size_t frame_count = [return_addresses_ count];
+  if (frame_count == 0)
+    return false;
   UntypedMDRVA memory(&writer_);
   size_t pointer_size = sizeof(uintptr_t);
   size_t frame_record_size = 2 * pointer_size;
@@ -176,7 +178,7 @@ bool IosExceptionMinidumpGenerator::WriteThreadStream(mach_port_t thread_id,
   uintptr_t sp = stack_size - pointer_size;
   uintptr_t fp = 0;
   uintptr_t lr = 0;
-  for (int current_frame = frame_count - 1;
+  for (size_t current_frame = frame_count - 1;
        current_frame > 0;
        --current_frame) {
     AppendToMemory(stack_memory.get(), sp, lr);