diff options
Diffstat (limited to 'src/wchar/wcscmp.c')
| -rw-r--r-- | src/wchar/wcscmp.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/src/wchar/wcscmp.c b/src/wchar/wcscmp.c index 980906d..90ad251 100644 --- a/src/wchar/wcscmp.c +++ b/src/wchar/wcscmp.c @@ -16,56 +16,10 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <wchar.h> -#include <stdint.h> -/* TODO #include <wctype.h> */ /** - * Compare two memory segments alphabetically in a case sensitive manner. - * - * @param a A negative value is returned if this is the lesser. - * @param b A positive value is returned if this is the lesser. - * @param size The size of the segments. - * @return Zero is returned if `a` and `b` are equal, otherwise, - * see the specifications for `a` and `b`. - */ -int wmemcmp(const wchar_t* a, const wchar_t* b, size_t size) -{ - while (size--) - if (*a == *b) - a++, b++; - else - return *a < *b ? -1 : +1; - return 0; -} - - -/** - * Compare two memory segments alphabetically in a case insensitive manner. - * - * @param a A negative value is returned if this is the lesser. - * @param b A positive value is returned if this is the lesser. - * @param size The size of the segments. - * @return Zero is returned if `a` and `b` are equal, otherwise, - * see the specifications for `a` and `b`. - */ -int wmemcasecmp(const wchar_t* a, const wchar_t* b, size_t size) -{ - wchar_t c1, c2; - for (; size--; a++, b++) - if (*a != *b) - { - c1 = iswalpha(*a) ? towlower(*a) : *a; - c2 = iswalpha(*b) ? towlower(*b) : *b; - if (c1 != c2) - return c1 < c2 ? -1 : +1; - } - return 0; -} - - -/** * Compare two strings alphabetically in a case sensitive manner. * * @param a A negative value is returned if this is the lesser. @@ -80,72 +34,3 @@ int wcscmp(const wchar_t* a, const wchar_t* b) return wmemcmp(a, b, (n < m ? n : m) + 1); } - -/** - * Compare two strings alphabetically in a case insensitive manner. - * Be aware, only ASCII characters are case insensitive, non-ASCII - * characters are case sensitive. - * - * This is a GNU-compliant slibc extension. - * - * @param a A negative value is returned if this is the lesser. - * @param b A positive value is returned if this is the lesser. - * @return Zero is returned if `a` and `b` are equal, otherwise, - * see the specifications for `a` and `b`. - */ -int wcscasecmp(const wchar_t* a, const wchar_t* b) -{ - return wcsncasecmp(a, b, SIZE_MAX); -} - - -/** - * Compare two strings alphabetically in a case sensitive manner. - * - * This is a GNU-compliant slibc extension. - * - * @param a A negative value is returned if this is the lesser. - * @param b A positive value is returned if this is the lesser. - * @param length The maximum number of characters to compare. - * @return Zero is returned if `a` and `b` are equal, otherwise, - * see the specifications for `a` and `b`. - */ -int wcsncmp(const wchar_t* a, const wchar_t* b, size_t length) -{ - size_t n = wcsnlen(a, length); - size_t m = wcsnlen(b, length); - int r = wmemcmp(a, b, (n < m ? n : m)); - return r ? r : n == m ? 0 : n < m ? -1 : +1; -} - - -/** - * Compare two strings alphabetically in a case insensitive manner. - * Be aware, only ASCII characters are case insensitive, non-ASCII - * characters are case sensitive. - * - * This is a GNU-compliant slibc extension. - * - * @param a A negative value is returned if this is the lesser. - * @param b A positive value is returned if this is the lesser. - * @param length The maximum number of characters to compare. - * @return Zero is returned if `a` and `b` are equal, otherwise, - * see the specifications for `a` and `b`. - */ -int wcsncasecmp(const wchar_t* a, const wchar_t* b, size_t length) -{ - wchar_t c1, c2; - for (; length--; a++, b++) - if (*a != *b) - { - c1 = iswalpha(*a) ? towlower(*a) : *a; - c2 = iswalpha(*b) ? towlower(*b) : *b; - if (c1 < c2) return -1; - if (c1 > c2) return +1; - } - else if (!*a && !*b) return 0; - else if (!*a) return -1; - else if (!*b) return +1; - return 0; -} - |