diff options
Diffstat (limited to 'stream.c')
| -rw-r--r-- | stream.c | 48 |
1 files changed, 48 insertions, 0 deletions
@@ -5149,6 +5149,53 @@ val trim_long_suffix(val name) } } +val add_suffix(val name, val suffix) +{ + val self = lit("add-suffix"); + size_t len_n = c_unum(length_str(name), self); + size_t len_s = c_unum(length_str(suffix), self); + const wchar_t *psc = coerce(const wchar_t *, path_sep_chars); + const wchar_t *nam = c_str(name, self); + const wchar_t *suf = c_str(suffix, self); + const wchar_t *sl = wcspbrk(nam, psc); + + if (psc[0] == '\\' || 1) { + const wchar_t *set = L"ABCDEFGHIJKLMNOPQRSTUVWXYZ" + L"abcdefghijklmnopqrstuvwxyz" + L"0123456789"; + const wchar_t *drv = nam + wcsspn(nam, set); + if (drv[0] == ':' && sl == drv + 1) { + if (drv - nam > 1) { + if (wcschr(psc, drv[2])) + sl = wcspbrk(drv + 3, psc); + } else if (drv > nam) { + sl = wcspbrk(drv + 2, psc); + } + } + } + + if (sl == nam) + sl = wcspbrk(nam + 1, psc); + + while (sl) { + const wchar_t *nsl = sl + 1 + wcsspn(sl + 1, psc); + + if (*nsl == 0) { + size_t nchar = len_n + len_s + 1; + size_t offs = sl - nam; + wchar_t *out = chk_wmalloc(nchar); + wmemcpy(out, nam, offs); + wmemcpy(out + offs, suf, len_s); + wcscpy(out + offs + len_s, sl); + return string_own(out); + } + + sl = wcspbrk(nsl, psc); + } + + return scat2(name, suffix); +} + val path_cat(val dir_name, val base_name) { val dl = length_str(dir_name); @@ -5474,6 +5521,7 @@ void stream_init(void) reg_fun(intern(lit("trim-short-suffix"), user_package), func_n1(trim_short_suffix)); reg_fun(intern(lit("trim-long-suffix"), user_package), func_n1(trim_long_suffix)); reg_fun(intern(lit("path-cat"), user_package), func_n0v(path_vcat)); + reg_fun(intern(lit("add-suffix"), user_package), func_n2(add_suffix)); reg_varl(intern(lit("path-sep-chars"), user_package), static_str(path_sep_chars)); reg_fun(intern(lit("get-indent-mode"), user_package), func_n1(get_indent_mode)); reg_fun(intern(lit("test-set-indent-mode"), user_package), func_n3(test_set_indent_mode)); |