view Python/pystrcmp.c @ 78026:e86330669bb5

Issue #15056: imp.cache_from_source() and source_from_cache() raise NotimplementedError when sys.implementation.cache_tag is None. Thanks to Pranav Ravichandran for taking an initial stab at the patch.
author Brett Cannon <brett@python.org>
date Mon, 09 Jul 2012 13:58:07 -0400
parents f197407bdba2
children
line wrap: on
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));
}