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Diffstat (limited to '')
| -rw-r--r-- | include/wchar.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/wchar.h b/include/wchar.h index 16644c8..31e985d 100644 --- a/include/wchar.h +++ b/include/wchar.h @@ -938,6 +938,46 @@ wchar_t* wmemmem(const wchar_t*, size_t, const wchar_t*, size_t) /* TODO Add case right-to-left substring searching functions. */ +/** + * Returns length of the initial substring + * that consists entirely of a set of specified + * wide characters. + * + * @param string The string. + * @param skipset Characters allowed in the substring. + * @return The length of the substring. + */ +size_t wcsspn(const wchar_t*, const wchar_t*) + __GCC_ONLY(__attribute__((warn_unused_result, nonnull))); + +/** + * Returns length of the initial substring + * that consists entirely of the complement + * of a set of specified wide characters. + * + * @param string The string. + * @param stopset Characters disallowed in the substring. + * @return The length of the substring. + */ +size_t wcscspn(const wchar_t*, const wchar_t*) + __GCC_ONLY(__attribute__((warn_unused_result, nonnull))); + +/** + * This function works like `strcspn`, + * except it returns the pointer to the + * location of the first found non-matching + * wide character. + * + * @param string The string. + * @param stopset Bytes disallowed in the substring. + * @return A pointer to the first occurrence in + * `string` of a character found in `stopset`. + * `NULL` is returned if none is found. + */ +wchar_t* wcpbrk(const wchar_t*, const wchar_t*) + __GCC_ONLY(__attribute__((warn_unused_result, nonnull))); + + #endif #endif |