1 /* Cross platform case insensitive string compare functions
2  */
3 
4 #include "Python.h"
5 
6 int
PyOS_mystrnicmp(const char * s1,const char * s2,Py_ssize_t size)7 PyOS_mystrnicmp(const char *s1, const char *s2, Py_ssize_t size)
8 {
9     if (size == 0)
10         return 0;
11     while ((--size > 0) &&
12            (tolower((unsigned)*s1) == tolower((unsigned)*s2))) {
13         if (!*s1++ || !*s2++)
14             break;
15     }
16     return tolower((unsigned)*s1) - tolower((unsigned)*s2);
17 }
18 
19 int
PyOS_mystricmp(const char * s1,const char * s2)20 PyOS_mystricmp(const char *s1, const char *s2)
21 {
22     while (*s1 && (tolower((unsigned)*s1++) == tolower((unsigned)*s2++))) {
23         ;
24     }
25     return (tolower((unsigned)*s1) - tolower((unsigned)*s2));
26 }
27