_strnicmp_nt.c File Reference

#include <string.h>

Include dependency graph for _strnicmp_nt.c:

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Functions
_Check_return_ int __cdecl	_strnicmp (_In_reads_or_z_(_MaxCount) char const *_String1, _In_reads_or_z_(_MaxCount) char const *_String2, _In_ size_t _MaxCount)

Function Documentation

_strnicmp()

_Check_return_ int __cdecl _strnicmp	(	_In_reads_or_z_(_MaxCount) char const *	_String1,
		_In_reads_or_z_(_MaxCount) char const *	_String2,
		_In_ size_t	_MaxCount
	)

Definition at line 13 of file _strnicmp_nt.c.

{
    char const* p1 = _String1;
    char const* p2 = _String2;
    size_t remaining = _MaxCount;
    char chr1, chr2;
 
    while (remaining-- != 0)
    {
        chr1 = *p1++;
        chr2 = *p2++;
 
        if (chr1 != chr2)
        {
            if ((chr1 >= 'A') && (chr1 <= 'Z'))
                chr1 += ('a' - 'A');
            if ((chr2 >= 'A') && (chr2 <= 'Z'))
                chr2 += ('a' - 'A');
 
            if (chr1 != chr2)
                return chr1 - chr2;
        }
        else if (chr1 == 0)
        {
            break;
        }
    }
 
    return 0;
}