view Python/pystrcmp.c @ 86980:77bebcf5c4cf

Issue #19512: add _PyUnicode_CompareWithId() function _PyUnicode_CompareWithId() is faster than PyUnicode_CompareWithASCIIString() when both strings are equal and interned. Add also _PyId_builtins identifier for "builtins" common string.
author Victor Stinner <victor.stinner@gmail.com>
date Thu, 07 Nov 2013 00:46:04 +0100
parents fd25030223b0
children
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line source

/* Cross platform case insensitive string compare functions
 */

#include "Python.h"

int
PyOS_mystrnicmp(const char *s1, const char *s2, Py_ssize_t size)
{
    if (size == 0)
        return 0;
    while ((--size > 0) &&
           (tolower((unsigned)*s1) == tolower((unsigned)*s2))) {
        if (!*s1++ || !*s2++)
            break;
    }
    return tolower((unsigned)*s1) - tolower((unsigned)*s2);
}

int
PyOS_mystricmp(const char *s1, const char *s2)
{
    while (*s1 && (tolower((unsigned)*s1++) == tolower((unsigned)*s2++))) {
        ;
    }
    return (tolower((unsigned)*s1) - tolower((unsigned)*s2));
}