/* * Copyright (C) 2002 Manuel Novoa III * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include "_string.h" #include <ctype.h> #include <locale.h> #ifdef WANT_WIDE # define strncasecmp wcsncasecmp # define strncasecmp_l wcsncasecmp_l # ifdef __UCLIBC_DO_XLOCALE # define TOLOWER(C) towlower_l((C), locale_arg) # else # define TOLOWER(C) towlower((C)) # endif #else # ifdef __UCLIBC_DO_XLOCALE # define TOLOWER(C) tolower_l((C), locale_arg) # else # define TOLOWER(C) tolower((C)) # endif #endif #if defined(__UCLIBC_HAS_XLOCALE__) && !defined(__UCLIBC_DO_XLOCALE) int strncasecmp(register const Wchar *s1, register const Wchar *s2, size_t n) { return strncasecmp_l(s1, s2, n, __UCLIBC_CURLOCALE); } #ifndef WANT_WIDE libc_hidden_def(strncasecmp) #endif #else /* defined(__UCLIBC_HAS_XLOCALE__) && !defined(__UCLIBC_DO_XLOCALE) */ int __XL_NPP(strncasecmp)(register const Wchar *s1, register const Wchar *s2, size_t n __LOCALE_PARAM ) { #ifdef WANT_WIDE while (n && ((*s1 == *s2) || (TOLOWER(*s1) == TOLOWER(*s2)))) { if (!*s1++) { return 0; } ++s2; --n; } return (n == 0) ? 0 : ((((Wuchar)TOLOWER(*s1)) < ((Wuchar)TOLOWER(*s2))) ? -1 : 1); /* TODO -- should wide cmp funcs do wchar or Wuchar compares? */ #else int r = 0; while ( n && ((s1 == s2) || !(r = ((int)( TOLOWER(*((unsigned char *)s1)))) - TOLOWER(*((unsigned char *)s2)))) && (--n, ++s2, *s1++)); return r; #endif } #if !defined WANT_WIDE || (defined WANT_WIDE && defined __UCLIBC_DO_XLOCALE) libc_hidden_def(__XL_NPP(strncasecmp)) #endif #endif /* defined(__UCLIBC_HAS_XLOCALE__) && !defined(__UCLIBC_DO_XLOCALE) */