Fix issues detected by static analysis tool

Change-Id: I698dd5324f1073e80c1604e34d7a77e1e047b51f
Signed-off-by: Jihoon Kim <jihoon48.kim@samsung.com>

3 files changed, 46 insertions, 39 deletions

diff --git a/src/ise-stt-mode.cpp b/src/ise-stt-mode.cpp
index 50eabd3..cdac22e 100644
--- a/src/ise-stt-mode.cpp
+++ b/src/ise-stt-mode.cpp
@@ -262,17 +262,10 @@ bool _app_stt_initialize(VoiceData *voice_data)
         }
 
         vd->sttfeedback = new is::stt::SttFeedback();
-        if (vd->sttfeedback) {
-            vd->sttfeedback->SetVoiceData(vd);
+        vd->sttfeedback->SetVoiceData(vd);
 
-            vd->sttmanager = new is::stt::SttManager(*(vd->sttfeedback));
-            if (vd->sttmanager)
-                vd->sttmanager->Prepare();
-            else
-                LOGW("Failed to allocate SttManager");
-        } else {
-            LOGW("Failed to allocate SttFeedback");
-        }
+        vd->sttmanager = new is::stt::SttManager(*(vd->sttfeedback));
+        vd->sttmanager->Prepare();
     } catch(std::exception &e) {
         LOGD("%s", e.what());
         return false;
@@ -304,17 +297,21 @@ static Eina_Bool _idler_cb(void *data)
 
     Evas_Object *canvas = elm_object_part_content_get(voicedata->layout_main, "EFFECT_BG");
 
-    is::ui::WInputSttMicEffect *ieffect = new is::ui::WInputSttMicEffect();
-    if (ieffect && voicedata->sttmanager) {
-        ieffect->SetSttHandle(voicedata->sttmanager->GetSttHandle());
-    }
+    try {
+        is::ui::WInputSttMicEffect *ieffect = new is::ui::WInputSttMicEffect();
+        if (voicedata->sttmanager) {
+            ieffect->SetSttHandle(voicedata->sttmanager->GetSttHandle());
+        }
 
-    is::ui::MicEffector *effector = new is::ui::MicEffector(canvas, voicedata->layout_main, *ieffect);
-    voicedata->ieffect = ieffect;
-    voicedata->effector = effector;
+        is::ui::MicEffector *effector = new is::ui::MicEffector(canvas, voicedata->layout_main, *ieffect);
+        voicedata->ieffect = ieffect;
+        voicedata->effector = effector;
 
-    if (ieffect && voicedata->progressbar) {
-        ieffect->SetProgressBar(voicedata->progressbar);
+        if (voicedata->progressbar) {
+            ieffect->SetProgressBar(voicedata->progressbar);
+        }
+    } catch (std::bad_alloc &e) {
+        LOGE("Memory allocation failed");
     }
 
     elm_access_highlight_set(voicedata->mic_button);
@@ -877,26 +874,27 @@ void show_voice_input(Evas_Object *parent, const char *lang, void (*get_string)(
     destroy_voice();
 
     if (!my_voicedata) {
-        my_voicedata = new VoiceData;
-        if (my_voicedata == NULL) {
-            LOGD("%d::::Heap Overflow, Voice Input cannot be shown!", __LINE__);
+        try {
+            my_voicedata = new VoiceData;
+        }
+        catch (std::bad_alloc &e) {
+            LOGE("%d::::Heap Overflow, Voice Input cannot be shown!", __LINE__);
             return;
         }
-        init_voicedata(my_voicedata);
     }
 
-    if (my_voicedata) {
-        init = init_voice(parent, lang, my_voicedata);
-        if (init) {
-            if (my_voicedata->win) {
-                //ise_stt_start(my_voicedata);
-                show_voice_window(my_voicedata->win, my_voicedata);
-            }
-        } else {
-            destroy_voice();
-            LOGD("%d::::Fail to create Voice window!", __LINE__);
-            return;
+    init_voicedata(my_voicedata);
+
+    init = init_voice(parent, lang, my_voicedata);
+    if (init) {
+        if (my_voicedata->win) {
+            //ise_stt_start(my_voicedata);
+            show_voice_window(my_voicedata->win, my_voicedata);
         }
+    } else {
+        destroy_voice();
+        LOGD("%d::::Fail to create Voice window!", __LINE__);
+        return;
     }
 
     vconf_notify_key_changed(VCONFKEY_ISE_STT_LANGUAGE, _stt_lang_changed_cb, my_voicedata);
diff --git a/src/ise.cpp b/src/ise.cpp
index 30ca013..8860216 100644
--- a/src/ise.cpp
+++ b/src/ise.cpp
@@ -524,10 +524,14 @@ static void add_softcandidate_hide_timer(void)
 static void create_softcandidate(void)
 {
     if (!g_candidate) {
-        g_candidate = CandidateFactory::make_candidate(CANDIDATE_MULTILINE, ime_get_main_window());
-        if (g_candidate) {
-            g_candidate->add_event_listener(&g_candidate_event_listener);
+        try {
+            g_candidate = CandidateFactory::make_candidate(CANDIDATE_MULTILINE, ime_get_main_window());
         }
+        catch (std::bad_alloc &e) {
+            return;
+        }
+
+        g_candidate->add_event_listener(&g_candidate_event_listener);
     }
 }
 
diff --git a/src/ise_lang_table.cpp b/src/ise_lang_table.cpp
index 2f772ee..7b1fa53 100644
--- a/src/ise_lang_table.cpp
+++ b/src/ise_lang_table.cpp
@@ -208,10 +208,15 @@ find_uuid(const std::vector<Keyboard_UUID>& vec_rec, const std::string& name) {
 static inline char*
 get_str(std::string str) {
     int len = str.length();
+    char* p = NULL;
     if (len == 0) return NULL;
 
-    char* p = new char[len + 1];
-    if (p == NULL) return NULL;
+    try {
+        p = new char[len + 1];
+    }
+    catch (std::bad_alloc &e) {
+        return NULL;
+    }
 
     strncpy(p, str.c_str(), len);
     p[len] = 0;