Add PyArray_CompareString function, but don't add it to the OBJECT_API yet. A

function not used warning will be issued during compile, but it is harmless.

1 files changed, 18 insertions, 0 deletions

diff --git a/numpy/core/src/arrayobject.c b/numpy/core/src/arrayobject.c
index d93f82bd0..95b4ae92d 100644
--- a/numpy/core/src/arrayobject.c
+++ b/numpy/core/src/arrayobject.c
@@ -4280,6 +4280,24 @@ PyArray_CompareUCS4(npy_ucs4 *s1, npy_ucs4 *s2, register size_t len)
     return 0;
 }
 
+/*
+ */
+static int
+PyArray_CompareString(char *s1, char *s2, size_t len)
+{
+    const unsigned char *c1 = (unsigned char *)s1;
+    const unsigned char *c2 = (unsigned char *)s2;
+    size_t i;
+
+    for(i = 0; i < len; ++i) {
+        if (c1[i] != c2[i]) {
+            return (c1[i] > c2[i]) ? 1 : -1;
+        }
+    }
+    return 0;
+}
+
+
 /* This also handles possibly mis-aligned data */
 /* Compare s1 and s2 which are not necessarily NULL-terminated.
    s1 is of length len1