From c1b7d9d93dc8e88693162c0d984a114371919fdd Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Sun, 24 Jul 2016 20:00:34 +0200 Subject: Implement per-locale string functions strcasecmp_l, strcoll_l, strncasecmp_l, strxfrm_l, wcscasecmp_l, wcscoll_l, wcstrncasecmp_l, wcstrxfrm_l, strftime_l. Add missing CHEWOUT_FILES from previous patch. TODO: strfmon_l. Signed-off by: Corinna Vinschen --- newlib/libc/string/wcscasecmp_l.c | 54 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 newlib/libc/string/wcscasecmp_l.c (limited to 'newlib/libc/string/wcscasecmp_l.c') diff --git a/newlib/libc/string/wcscasecmp_l.c b/newlib/libc/string/wcscasecmp_l.c new file mode 100644 index 000000000..329be0529 --- /dev/null +++ b/newlib/libc/string/wcscasecmp_l.c @@ -0,0 +1,54 @@ +/* +FUNCTION + <>---case-insensitive wide character string compare + +INDEX + wcscasecmp_l + +ANSI_SYNOPSIS + #include + int wcscasecmp_l(const wchar_t *<[a]>, const wchar_t *<[b]>, + locale_t <[locale]>); + +DESCRIPTION + <> compares the wide character string at <[a]> to + the wide character string at <[b]> in a case-insensitive manner. + + if <[locale]> is LC_GLOBAL_LOCALE or not a valid locale object, + the behaviour is undefined. + +RETURNS + + If <<*<[a]>>> sorts lexicographically after <<*<[b]>>> (after + both are converted to uppercase), <> returns a + number greater than zero. If the two strings match, + <> returns zero. If <<*<[a]>>> sorts + lexicographically before <<*<[b]>>>, <> returns a + number less than zero. + +PORTABILITY +<> is POSIX-1.2008 + +<> requires no supporting OS subroutines. It uses +tolower() from elsewhere in this library. + +QUICKREF + wcscasecmp_l +*/ + +#include +#include + +int +wcscasecmp_l (const wchar_t *s1, const wchar_t *s2, struct __locale_t *locale) +{ + int d = 0; + for ( ; ; ) + { + const int c1 = towlower_l (*s1++, locale); + const int c2 = towlower_l (*s2++, locale); + if (((d = c1 - c2) != 0) || (c2 == '\0')) + break; + } + return d; +} -- cgit v1.2.3