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v0.5.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision a61d7f2490fd677343c28ac53e1b41cdb0e1d998 authored by Larry Hastings on 04 February 2018, 23:40:38 UTC, committed by Larry Hastings on 04 February 2018, 23:40:38 UTC 
Version bump for 3.4.8.
1 parent 2a5da97
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Tip revision: a61d7f2490fd677343c28ac53e1b41cdb0e1d998 authored by Larry Hastings on 04 February 2018, 23:40:38 UTC
Version bump for 3.4.8.
Tip revision: a61d7f2
pystrcmp.c 
/* 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));
}
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