python/Python/pystrcmp.c at master · java66liu/python · GitHub

26 lines (23 loc) · 562 Bytes

/* 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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