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authorseberg <sebastian@sipsolutions.net>2014-05-19 15:35:52 +0200
committerseberg <sebastian@sipsolutions.net>2014-05-19 15:35:52 +0200
commit9dd46ee2ed9fc55942d9ec13532d817c3b36d322 (patch)
tree25835efb6081aa857c347c686f1c776060f9548b
parent3398b0e1351befee32de6f243a51e2b99900a3d4 (diff)
parent9ca38a508cd9836d1b1bcf5c3dedd1fe8b6cb14c (diff)
downloadnumpy-9dd46ee2ed9fc55942d9ec13532d817c3b36d322.tar.gz
Merge pull request #4722 from mtkni/master
BUG: Fix seg fault converting empty string to object
-rw-r--r--numpy/core/src/multiarray/arraytypes.c.src2
-rw-r--r--numpy/core/tests/test_dtype.py4
2 files changed, 5 insertions, 1 deletions
diff --git a/numpy/core/src/multiarray/arraytypes.c.src b/numpy/core/src/multiarray/arraytypes.c.src
index 8e22afa31..ffd741dea 100644
--- a/numpy/core/src/multiarray/arraytypes.c.src
+++ b/numpy/core/src/multiarray/arraytypes.c.src
@@ -426,7 +426,7 @@ STRING_getitem(char *ip, PyArrayObject *ap)
int size = PyArray_DESCR(ap)->elsize;
ptr = ip + size - 1;
- while (*ptr-- == '\0' && size > 0) {
+ while (size > 0 && *ptr-- == '\0') {
size--;
}
return PyBytes_FromStringAndSize(ip,size);
diff --git a/numpy/core/tests/test_dtype.py b/numpy/core/tests/test_dtype.py
index 2e98b2cf8..18660351c 100644
--- a/numpy/core/tests/test_dtype.py
+++ b/numpy/core/tests/test_dtype.py
@@ -496,6 +496,10 @@ class TestString(TestCase):
# Issue gh-2798
a = np.array(['a'], dtype="O").astype(("O", [("name", "O")]))
+ def test_empty_string_to_object(self):
+ # Pull request #4722
+ np.array(["", ""]).astype(object)
+
class TestDtypeAttributeDeletion(object):
def test_dtype_non_writable_attributes_deletion(self):