diff options
Diffstat (limited to 'src/wchar/wcsmove.c')
| -rw-r--r-- | src/wchar/wcsmove.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/src/wchar/wcsmove.c b/src/wchar/wcsmove.c index 4e2f773..377662c 100644 --- a/src/wchar/wcsmove.c +++ b/src/wchar/wcsmove.c @@ -34,191 +34,3 @@ wchar_t* wcsmove(wchar_t* whither, const wchar_t* whence) return wmemmove(whither, whence, wcslen(whence) + 1); } - -/** - * Copy a memory segment to another, possibly overlapping, segment, - * stop when a NUL wide character is encountered. - * - * This is a slibc extension added for completeness. - * - * @param whither The destination memory segment. - * @param whence The source memory segment. - * @return `whither + wcslen(whence)` is returned. - */ -wchar_t* wcpmove(wchar_t* whither, const wchar_t* whence) -{ - return wmempmove(whither, whence, wcslen(whence) + 1) - 1; -} - - -/** - * Copy a memory segment to another, possibly overlapping, segment, - * stop when a NUL wide character or a specified wide character - * is encountered. - * - * This is a slibc extension added for completeness. - * - * @param whither The destination memory segment. - * @param whence The source memory segment. - * @param c The stop character. - * @return `NULL` if `c` was not encountered, otherwise - * the position of `c` translated to `whither`, - * that is, the address of `whither` plus the - * number of copied characters; the address of - * one character passed the last written non-NUL - * character. - */ -wchar_t* wcscmove(wchar_t* whither, const wchar_t* whence, wchar_t c) -{ - wchar_t* r = wmemcmove(whither, whence, c, wcslen(whence) + 1); - if (r) - *r = 0; - return r; -} - - -/** - * Copy a memory segment to another, possibly overlapping, segment, - * stop when a NUL wide character or a specified substring is encountered. - * - * This is a slibc extension added for completeness. - * - * @param whither The destination memory segment. - * @param whence The source memory segment. - * @param str The substring, ignored if `NULL`. - * @return `NULL` if `str` was not encountered, otherwise - * the position of `str` translated to `whither`, - * that is, the address of `whither` plus the - * number of copied characters; the address of - * one character passed the last written non-NUL - * character. - */ -wchar_t* wcsstrmove(wchar_t* whither, const wchar_t* whence, const wchar_t* restrict str) -{ - const wchar_t* stop = str == NULL ? NULL : wcsstr(whence, str); - size_t n = stop == NULL ? wcslen(whence) : (size_t)(stop - whence); - wchar_t* r = stop == NULL ? NULL : (whither + n); - wmemmove(whither, whence, n); - whither[n] = 0; - return r; -} - - -/** - * Copy a memory segment to another, possibly overlapping, segment, - * stop when a NUL wide character is encountered. - * - * @param whither The destination memory segment. - * @param whence The source memory segment. - * @param maxlen The maximum number of wide characters to copy. - * NOTE that if the resulting string at least this - * long, no NUL character will be written to `whither'. - * On the otherhand, if the resultnig string is - * shorter, `whither` will be filled with NUL characters - * until this amount of characters have been written. - * @return `whither` is returned. - */ -wchar_t* wcsnmove(wchar_t* whither, const wchar_t* whence, size_t maxlen) -{ - size_t n = wcsnlen(whence, maxlen); - wmemmove(whither, whence, n); - wmemset(whither, 0, maxlen - n); - return whither; -} - - -/** - * Copy a memory segment to another, possibly overlapping, segment, - * stop when a NUL wide character is encountered. - * - * This is a slibc extension added for completeness. - * It is only available if GNU extensions are available. - * - * @param whither The destination memory segment. - * @param whence The source memory segment. - * @param maxlen The maximum number of wide characters to copy. - * NOTE that if the resulting string at least this - * long, no NUL character will be written to `whither'. - * On the otherhand, if the resultnig string is - * shorter, `whither` will be filled with NUL characters - * until this amount of characters have been written. - * @return `whither` plus the number of written characters, - * excluding NUL characters, is returned. - */ -wchar_t* wcpnmove(wchar_t* whither, const wchar_t* whence, size_t maxlen) -{ - size_t n = wcsnlen(whence, maxlen); - wmemmove(whither, whence, n); - wmemset(whither, 0, maxlen - n); - return whither + n; -} - - -/** - * Copy a memory segment to another, possibly overlapping, segment, - * stop when a NUL wide character or a specified wide character - * is encountered. - * - * This is a slibc extension added for completeness. - * It is only available if GNU extensions are available. - * - * @param whither The destination memory segment. - * @param whence The source memory segment. - * @param c The stop character. - * @param maxlen The maximum number of wide characters to copy. - * NOTE that if the resulting string at least this - * long, no NUL character will be written to `whither'. - * On the otherhand, if the resultnig string is - * shorter, `whither` will be filled with NUL characters - * until this amount of characters have been written. - * @return `NULL` if `c` was not encountered, otherwise - * the position of `c` translated to `whither`, - * that is, the address of `whither` plus the - * number of copied characters; the address of - * one character passed the last written non-NUL - * character. - */ -wchar_t* wcscnmove(wchar_t* whither, const wchar_t* whence, wchar_t c, size_t maxlen) -{ - const wchar_t* stop = wmemchr(whence, c, maxlen); - size_t n = stop == NULL ? wcsnlen(whence, maxlen) : (size_t)(stop - whence); - wchar_t* r = stop == NULL ? NULL : (whither + n); - wmemmove(whither, whence, n); - wmemset(whither, 0, maxlen - n); - return r; -} - - -/** - * Copy a memory segment to another, possibly overlapping, segment, - * stop when a NUL wide character or a specified substring is encountered. - * - * This is a slibc extension added for completeness. - * It is only available if GNU extensions are available. - * - * @param whither The destination memory segment. - * @param whence The source memory segment. - * @param str The substring, ignored if `NULL`. - * @param maxlen The maximum number of wide characters to copy. - * NOTE that if the resulting string at least this - * long, no NUL character will be written to `whither'. - * On the otherhand, if the resultnig string is - * shorter, `whither` will be filled with NUL characters - * until this amount of characters have been written. - * @return `NULL` if `str` was not encountered, otherwise - * the position of `str` translated to `whither`, - * that is, the address of `whither` plus the - * number of copied chartacters; the address of - * one character passed the last written non-NUL - * character. - */ -wchar_t* wcsstrnmove(wchar_t* whither, const wchar_t* whence, const wchar_t* restrict str, size_t maxlen) -{ - const wchar_t* stop = wcsnstr(whence, str, maxlen); - size_t n = stop == NULL ? wcsnlen(whence, maxlen) : (size_t)(stop - whence); - wchar_t* r = stop == NULL ? NULL : (whither + n); - wmemmove(whither, whence, n); - wmemset(whither, 0, maxlen - n); - return r; -} - |