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Issue #9425: Create Py_UNICODE_strncmp() function 

The code is based on strncmp() of the libiberty library,
function in the public domain.
This commit is contained in:
Victor Stinner 2010-08-16 22:03:11 +00:00
parent 405038ac1c
commit ef8d95c498
2 changed files with 38 additions and 6 deletions
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27
Include/unicodeobject.h
View File

@ -1613,23 +1613,38 @@ PyAPI_FUNC(int) _PyUnicode_IsAlpha(
Py_UNICODE ch /* Unicode character */
);
PyAPI_FUNC(size_t) Py_UNICODE_strlen(const Py_UNICODE *u);
PyAPI_FUNC(size_t) Py_UNICODE_strlen(
const Py_UNICODE *u
);
PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strcpy(
Py_UNICODE *s1, const Py_UNICODE *s2);
Py_UNICODE *s1,
const Py_UNICODE *s2);
PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strncpy(
Py_UNICODE *s1, const Py_UNICODE *s2, size_t n);
Py_UNICODE *s1,
const Py_UNICODE *s2,
size_t n);
PyAPI_FUNC(int) Py_UNICODE_strcmp(
const Py_UNICODE *s1, const Py_UNICODE *s2);
const Py_UNICODE *s1,
const Py_UNICODE *s2
);
PyAPI_FUNC(int) Py_UNICODE_strncmp(
const Py_UNICODE *s1,
const Py_UNICODE *s2,
size_t n
);
PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strchr(
const Py_UNICODE *s, Py_UNICODE c
const Py_UNICODE *s,
Py_UNICODE c
);
PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strrchr(
const Py_UNICODE *s, Py_UNICODE c
const Py_UNICODE *s,
Py_UNICODE c
);
#ifdef __cplusplus

17
Objects/unicodeobject.c
View File

@ -9986,6 +9986,23 @@ Py_UNICODE_strcmp(const Py_UNICODE *s1, const Py_UNICODE *s2)
return 0;
}
int
Py_UNICODE_strncmp(const Py_UNICODE *s1, const Py_UNICODE *s2, size_t n)
{
register Py_UNICODE u1, u2;
for (; n != 0; n--) {
u1 = *s1;
u2 = *s2;
if (u1 != u2)
return (u1 < u2) ? -1 : +1;
if (u1 == '\0')
return 0;
s1++;
s2++;
}
return 0;
}
Py_UNICODE*
Py_UNICODE_strchr(const Py_UNICODE *s, Py_UNICODE c)
{