add hg and python

1 files changed, 37 insertions, 0 deletions

diff --git a/sys/src/cmd/python/Objects/stringlib/count.h b/sys/src/cmd/python/Objects/stringlib/count.h
new file mode 100644
index 000000000..367a15c51
--- /dev/null
+++ b/sys/src/cmd/python/Objects/stringlib/count.h
@@ -0,0 +1,37 @@
+/* stringlib: count implementation */
+
+#ifndef STRINGLIB_COUNT_H
+#define STRINGLIB_COUNT_H
+
+#ifndef STRINGLIB_FASTSEARCH_H
+#error must include "stringlib/fastsearch.h" before including this module
+#endif
+
+Py_LOCAL_INLINE(Py_ssize_t)
+stringlib_count(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
+                const STRINGLIB_CHAR* sub, Py_ssize_t sub_len)
+{
+    Py_ssize_t count;
+
+    if (sub_len == 0) {
+        if (str_len < 0)
+            return 0; /* start > len(str) */
+        return str_len + 1;
+    }
+
+    count = fastsearch(str, str_len, sub, sub_len, FAST_COUNT);
+
+    if (count < 0)
+        count = 0; /* no match */
+
+    return count;
+}
+
+#endif
+
+/*
+Local variables:
+c-basic-offset: 4
+indent-tabs-mode: nil
+End:
+*/