--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mercurial/cext/util.h Sun May 21 13:35:19 2017 +0900
@@ -0,0 +1,76 @@
+/*
+ util.h - utility functions for interfacing with the various python APIs.
+
+ This software may be used and distributed according to the terms of
+ the GNU General Public License, incorporated herein by reference.
+*/
+
+#ifndef _HG_UTIL_H_
+#define _HG_UTIL_H_
+
+#include "compat.h"
+
+#if PY_MAJOR_VERSION >= 3
+#define IS_PY3K
+#endif
+
+typedef struct {
+ PyObject_HEAD
+ char state;
+ int mode;
+ int size;
+ int mtime;
+} dirstateTupleObject;
+
+extern PyTypeObject dirstateTupleType;
+#define dirstate_tuple_check(op) (Py_TYPE(op) == &dirstateTupleType)
+
+/* This should be kept in sync with normcasespecs in encoding.py. */
+enum normcase_spec {
+ NORMCASE_LOWER = -1,
+ NORMCASE_UPPER = 1,
+ NORMCASE_OTHER = 0
+};
+
+#define MIN(a, b) (((a)<(b))?(a):(b))
+/* VC9 doesn't include bool and lacks stdbool.h based on my searching */
+#if defined(_MSC_VER) || __STDC_VERSION__ < 199901L
+#define true 1
+#define false 0
+typedef unsigned char bool;
+#else
+#include <stdbool.h>
+#endif
+
+static int8_t hextable[256] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /* 0-9 */
+ -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* A-F */
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* a-f */
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+static inline int hexdigit(const char *p, Py_ssize_t off)
+{
+ int8_t val = hextable[(unsigned char)p[off]];
+
+ if (val >= 0) {
+ return val;
+ }
+
+ PyErr_SetString(PyExc_ValueError, "input contains non-hex character");
+ return 0;
+}
+
+#endif /* _HG_UTIL_H_ */