cpython/Python/pystrcmp.c at 6541fe4ad7b96ab96ee5c596b60814a93346dd27 · python/cpython · GitHub

30 lines (27 loc) · 753 Bytes

/* Cross platform case insensitive string compare functions

#include "Python.h"

int

PyOS_mystrnicmp(const char *s1, const char *s2, Py_ssize_t size)

{

const unsigned char *p1, *p2;

if (size == 0)

return 0;

p1 = (const unsigned char *)s1;

p2 = (const unsigned char *)s2;

for (; (--size > 0) && *p1 && *p2 && (tolower(*p1) == tolower(*p2));

p1++, p2++) {

;

}

return tolower(*p1) - tolower(*p2);

}

int

PyOS_mystricmp(const char *s1, const char *s2)

{

const unsigned char *p1 = (const unsigned char *)s1;

const unsigned char *p2 = (const unsigned char *)s2;

for (; *p1 && *p2 && (tolower(*p1) == tolower(*p2)); p1++, p2++) {

;

}

return (tolower(*p1) - tolower(*p2));

}

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