# 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
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)
+ (((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);
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)
/* 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)
{
break;
}
- last = retval;
+ lastp = &retval->next;
}
if (retval != NULL || do_allocate == 0)
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);
}
-/* Copyright (C) 1996-1999, 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999, 2000-2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
extern const char *_nl_normalize_codeset PARAMS ((const char *codeset,
size_t name_len));
+/* Lookup a locale dependent file.
+ *L10NFILE_LIST denotes a pool of lookup results of locale dependent
+ files of the same kind, sorted in decreasing order of ->filename.
+ DIRLIST and DIRLIST_LEN are an argz list of directories in which to
+ look, containing at least one directory (i.e. DIRLIST_LEN > 0).
+ MASK, LANGUAGE, TERRITORY, CODESET, NORMALIZED_CODESET, MODIFIER,
+ SPECIAL, SPONSOR, REVISION are the pieces of the locale name, as
+ produced by _nl_explode_name(). FILENAME is the filename suffix.
+ The return value is the lookup result, either found in *L10NFILE_LIST,
+ or - if DO_ALLOCATE is nonzero - freshly allocated, or possibly NULL.
+ If the return value is non-NULL, it is added to *L10NFILE_LIST, and
+ its ->next field denotes the chaining inside *L10NFILE_LIST, and
+ furthermore its ->successor[] field contains a list of other lookup
+ results from which this lookup result inherits. */
extern struct loaded_l10nfile *
_nl_make_l10nflist PARAMS ((struct loaded_l10nfile **l10nfile_list,
const char *dirlist, size_t dirlist_len, int mask,
const char *sponsor, const char *revision,
const char *filename, int do_allocate));
-
+/* Lookup the real locale name for a locale alias NAME, or NULL if
+ NAME is not a locale alias (but possibly a real locale name).
+ The return value is statically allocated and must not be freed. */
extern const char *_nl_expand_alias PARAMS ((const char *name));
-/* normalized_codeset is dynamically allocated and has to be freed by
- the caller. */
+/* Split a locale name NAME into its pieces: language, modifier,
+ territory, codeset, special, sponsor, revision.
+ NAME gets destructively modified: NUL bytes are inserted here and
+ there. *LANGUAGE gets assigned NAME. Each of *MODIFIER, *TERRITORY,
+ *CODESET, *SPECIAL, *SPONSOR, *REVISION gets assigned either a
+ pointer into the old NAME string, or NULL. *NORMALIZED_CODESET
+ gets assigned the expanded *CODESET, if it is different from *CODESET;
+ this one is dynamically allocated and has to be freed by the caller.
+ The return value is a bitmask, where each bit corresponds to one
+ filled-in value:
+ XPG_MODIFIER, CEN_AUDIENCE for *MODIFIER,
+ TERRITORY for *TERRITORY,
+ XPG_CODESET for *CODESET,
+ XPG_NORM_CODESET for *NORMALIZED_CODESET,
+ CEN_SPECIAL for *SPECIAL,
+ CEN_SPONSOR for *SPONSOR,
+ CEN_REVISION for *REVISION.
+ */
extern int _nl_explode_name PARAMS ((char *name, const char **language,
const char **modifier,
const char **territory,
const char **sponsor,
const char **revision));
+/* Split a locale name NAME into a leading language part and all the
+ rest. Return a pointer to the first character after the language,
+ i.e. to the first byte of the rest. */
extern char *_nl_find_language PARAMS ((const char *name));
#endif /* loadinfo.h */
projects / thirdparty / gettext.git / commitdiff
