From: jay.ho.park <jay.ho.park@samsung.com>
Date: Wed, 2 Dec 2020 02:41:30 +0000 (+0900)
Subject: Add Null check for PyUnicode_AsUTF8
X-Git-Tag: accepted/tizen/unified/20201222.122547~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cb6db370690523ffd4cefc92b37285df062e71df;p=platform%2Fcore%2Fuifw%2Fnlp.git

Add Null check for PyUnicode_AsUTF8

Change-Id: I444781da9ec89f4b6b04c1e74e0a1a0d0df8395c
---

diff --git a/service/src/service.c b/service/src/service.c
index 45102b5..743df37 100755
--- a/service/src/service.c
+++ b/service/src/service.c
@@ -640,7 +640,15 @@ char* nltk_get_string_from_element(PyObject* elm)
         return ch;
     }
     memset(ch, 0, BUF_LEN_256);
-    strncpy(ch, PyUnicode_AsUTF8(elm), BUF_LEN_256-1);
+
+    const char *tmp_str = PyUnicode_AsUTF8(elm);
+    if (tmp_str == NULL) {
+        PERR("failed to get char from PyObject");
+        free(ch);
+        return NULL;
+    }
+
+    strncpy(ch, tmp_str, BUF_LEN_256-1);
     return ch;
 }