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needforspeed: use a macro to fix slice indexes

This commit is contained in:
Fredrik Lundh 2006-05-26 19:33:03 +00:00
parent ce4eccb0c4
commit c816281304
1 changed files with 18 additions and 52 deletions
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70
Objects/unicodeobject.c
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@ -3874,6 +3874,19 @@ STRINGLIB_CMP(const Py_UNICODE* str, const Py_UNICODE* other, Py_ssize_t len)
#include "stringlib/find.h"
#include "stringlib/partition.h"
/* helper macro to fixup start/end slice values */
#define FIX_START_END(obj) \
if (start < 0) \
start += (obj)->length; \
if (start < 0) \
start = 0; \
if (end > (obj)->length) \
end = (obj)->length; \
if (end < 0) \
end += (obj)->length; \
if (end < 0) \
end = 0;
Py_ssize_t PyUnicode_Count(PyObject *str,
PyObject *substr,
Py_ssize_t start,
@ -3892,16 +3905,7 @@ Py_ssize_t PyUnicode_Count(PyObject *str,
return -1;
}
if (start < 0)
start += str_obj->length;
if (start < 0)
start = 0;
if (end > str_obj->length)
end = str_obj->length;
if (end < 0)
end += str_obj->length;
if (end < 0)
end = 0;
FIX_START_END(str_obj);
result = stringlib_count(
str_obj->str + start, end - start, sub_obj->str, sub_obj->length
@ -3919,17 +3923,7 @@ static Py_ssize_t findstring(PyUnicodeObject *self,
Py_ssize_t end,
int direction)
{
if (start < 0)
start += self->length;
if (start < 0)
start = 0;
if (end > self->length)
end = self->length;
if (end < 0)
end += self->length;
if (end < 0)
end = 0;
FIX_START_END(self);
if (substring->length == 0)
return (direction > 0) ? start : end;
@ -3969,16 +3963,7 @@ Py_ssize_t PyUnicode_Find(PyObject *str,
return -2;
}
if (start < 0)
start += str_obj->length;
if (start < 0)
start = 0;
if (end > str_obj->length)
end = str_obj->length;
if (end < 0)
end += str_obj->length;
if (end < 0)
end = 0;
FIX_START_END(str_obj);
if (direction > 0)
result = stringlib_find(
@ -4004,20 +3989,10 @@ int tailmatch(PyUnicodeObject *self,
Py_ssize_t end,
int direction)
{
if (start < 0)
start += self->length;
if (start < 0)
start = 0;
if (substring->length == 0)
return 1;
if (end > self->length)
end = self->length;
if (end < 0)
end += self->length;
if (end < 0)
end = 0;
FIX_START_END(self);
end -= substring->length;
if (end < start)
@ -5172,16 +5147,7 @@ unicode_count(PyUnicodeObject *self, PyObject *args)
if (substring == NULL)
return NULL;
if (start < 0)
start += self->length;
if (start < 0)
start = 0;
if (end > self->length)
end = self->length;
if (end < 0)
end += self->length;
if (end < 0)
end = 0;
FIX_START_END(self);
result = PyInt_FromSsize_t(
stringlib_count(self->str + start, end - start,