diff options
Diffstat (limited to 'intl/l10nflist.c')
-rw-r--r-- | intl/l10nflist.c | 120 |
1 files changed, 82 insertions, 38 deletions
diff --git a/intl/l10nflist.c b/intl/l10nflist.c index d861912d..ec8713f8 100644 --- a/intl/l10nflist.c +++ b/intl/l10nflist.c @@ -62,6 +62,24 @@ static char *stpcpy PARAMS ((char *dest, const char *src)); # endif #endif +/* Pathname support. + ISSLASH(C) tests whether C is a directory separator character. + IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, + it may be concatenated to a directory pathname. + */ +#if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__ + /* Win32, OS/2, DOS */ +# define ISSLASH(C) ((C) == '/' || (C) == '\\') +# define HAS_DEVICE(P) \ + ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ + && (P)[1] == ':') +# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) +#else + /* Unix */ +# define ISSLASH(C) ((C) == '/') +# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) +#endif + /* Define function which are usually not available. */ #if !defined _LIBC && !defined HAVE___ARGZ_COUNT @@ -185,12 +203,18 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, int do_allocate; { char *abs_filename; - struct loaded_l10nfile *last = NULL; + struct loaded_l10nfile **lastp; struct loaded_l10nfile *retval; char *cp; + size_t dirlist_count; size_t entries; int cnt; + /* If LANGUAGE contains an absolute directory specification, we ignore + DIRLIST. */ + if (IS_ABSOLUTE_PATH (language)) + dirlist_len = 0; + /* Allocate room for the full file name. */ abs_filename = (char *) malloc (dirlist_len + strlen (language) @@ -208,7 +232,7 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, + (((mask & CEN_SPONSOR) != 0 || (mask & CEN_REVISION) != 0) ? (1 + ((mask & CEN_SPONSOR) != 0 - ? strlen (sponsor) + 1 : 0) + ? strlen (sponsor) : 0) + ((mask & CEN_REVISION) != 0 ? strlen (revision) + 1 : 0)) : 0) + 1 + strlen (filename) + 1); @@ -216,14 +240,16 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, if (abs_filename == NULL) return NULL; - retval = NULL; - last = NULL; - /* Construct file name. */ - memcpy (abs_filename, dirlist, dirlist_len); - __argz_stringify (abs_filename, dirlist_len, PATH_SEPARATOR); - cp = abs_filename + (dirlist_len - 1); - *cp++ = '/'; + cp = abs_filename; + if (dirlist_len > 0) + { + memcpy (cp, dirlist, dirlist_len); + __argz_stringify (cp, dirlist_len, PATH_SEPARATOR); + cp += dirlist_len; + cp[-1] = '/'; + } + cp = stpcpy (cp, language); if ((mask & TERRITORY) != 0) @@ -270,7 +296,7 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, /* Look in list of already loaded domains whether it is already available. */ - last = NULL; + lastp = l10nfile_list; for (retval = *l10nfile_list; retval != NULL; retval = retval->next) if (retval->filename != NULL) { @@ -285,7 +311,7 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, break; } - last = retval; + lastp = &retval->next; } if (retval != NULL || do_allocate == 0) @@ -294,48 +320,66 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, return retval; } - retval = (struct loaded_l10nfile *) - malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len) - * (1 << pop (mask)) - * sizeof (struct loaded_l10nfile *))); + dirlist_count = (dirlist_len > 0 ? __argz_count (dirlist, dirlist_len) : 1); + + /* Allocate a new loaded_l10nfile. */ + retval = + (struct loaded_l10nfile *) + malloc (sizeof (*retval) + + (((dirlist_count << pop (mask)) + (dirlist_count > 1 ? 1 : 0)) + * sizeof (struct loaded_l10nfile *))); if (retval == NULL) return NULL; retval->filename = abs_filename; - retval->decided = (__argz_count (dirlist, dirlist_len) != 1 + + /* We set retval->data to NULL here; it is filled in later. + Setting retval->decided to 1 here means that retval does not + correspond to a real file (dirlist_count > 1) or is not worth + looking up (if an unnormalized codeset was specified). */ + retval->decided = (dirlist_count > 1 || ((mask & XPG_CODESET) != 0 && (mask & XPG_NORM_CODESET) != 0)); retval->data = NULL; - if (last == NULL) - { - retval->next = *l10nfile_list; - *l10nfile_list = retval; - } - else - { - retval->next = last->next; - last->next = retval; - } + retval->next = *lastp; + *lastp = retval; entries = 0; - /* If the DIRLIST is a real list the RETVAL entry corresponds not to - a real file. So we have to use the DIRLIST separation mechanism - of the inner loop. */ - cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask; - for (; cnt >= 0; --cnt) + /* Recurse to fill the inheritance list of RETVAL. + If the DIRLIST is a real list (i.e. DIRLIST_COUNT > 1), the RETVAL + entry does not correspond to a real file; retval->filename contains + colons. In this case we loop across all elements of DIRLIST and + across all bit patterns dominated by MASK. + If the DIRLIST is a single directory or entirely redundant (i.e. + DIRLIST_COUNT == 1), we loop across all bit patterns dominated by + MASK, excluding MASK itself. + In either case, we loop down from MASK to 0. This has the effect + that the extra bits in the locale name are dropped in this order: + first the modifier, then the territory, then the codeset, then the + normalized_codeset. */ + for (cnt = dirlist_count > 1 ? mask : mask - 1; cnt >= 0; --cnt) if ((cnt & ~mask) == 0 && ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0) && ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0)) { - /* Iterate over all elements of the DIRLIST. */ - char *dir = NULL; - - while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir)) - != NULL) + if (dirlist_count > 1) + { + /* Iterate over all elements of the DIRLIST. */ + char *dir = NULL; + + while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir)) + != NULL) + retval->successor[entries++] + = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, + cnt, language, territory, codeset, + normalized_codeset, modifier, special, + sponsor, revision, filename, 1); + } + else retval->successor[entries++] - = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt, - language, territory, codeset, + = _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, + cnt, language, territory, codeset, normalized_codeset, modifier, special, sponsor, revision, filename, 1); } |