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path: root/lib/mlibc/options/internal/generic/strings.cpp
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#include <ctype.h>

#include <mlibc/strings.hpp>

namespace mlibc {

int strncasecmp(const char *a, const char *b, size_t size) {
	for(size_t i = 0; i < size; i++) {
		unsigned char a_byte = tolower(a[i]);
		unsigned char b_byte = tolower(b[i]);
		if(!a_byte && !b_byte)
			return 0;
		// If only one char is null, one of the following cases applies.
		if(a_byte < b_byte)
			return -1;
		if(a_byte > b_byte)
			return 1;
	}
	return 0;
}

}