-/* Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1995-1999, 2000-2006 Free Software Foundation, Inc.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
This program is free software; you can redistribute it and/or modify it
You should have received a copy of the GNU Library General Public
License along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
USA. */
/* Tell glibc's <string.h> to provide a prototype for stpcpy().
#endif
#include <string.h>
-#if !HAVE_STRCHR && !defined _LIBC
-# ifndef strchr
-# define strchr index
-# endif
-#endif
#if defined _LIBC || defined HAVE_ARGZ_H
# include <argz.h>
# endif
#else
# ifndef HAVE_STPCPY
-static char *stpcpy PARAMS ((char *dest, const char *src));
+static char *stpcpy (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 __CYGWIN__ || defined __EMX__ || defined __DJGPP__
+ /* Win32, Cygwin, 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
+#ifdef _LIBC
+# define __argz_count(argz, len) INTUSE(__argz_count) (argz, len)
+#elif defined HAVE_ARGZ_COUNT
+# undef __argz_count
+# define __argz_count argz_count
+#else
/* Returns the number of strings in ARGZ. */
-static size_t argz_count__ PARAMS ((const char *argz, size_t len));
-
static size_t
-argz_count__ (argz, len)
- const char *argz;
- size_t len;
+argz_count__ (const char *argz, size_t len)
{
size_t count = 0;
while (len > 0)
}
# undef __argz_count
# define __argz_count(argz, len) argz_count__ (argz, len)
-#endif /* !_LIBC && !HAVE___ARGZ_COUNT */
+#endif /* !_LIBC && !HAVE_ARGZ_COUNT */
-#if !defined _LIBC && !defined HAVE___ARGZ_STRINGIFY
+#ifdef _LIBC
+# define __argz_stringify(argz, len, sep) \
+ INTUSE(__argz_stringify) (argz, len, sep)
+#elif defined HAVE_ARGZ_STRINGIFY
+# undef __argz_stringify
+# define __argz_stringify argz_stringify
+#else
/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
except the last into the character SEP. */
-static void argz_stringify__ PARAMS ((char *argz, size_t len, int sep));
-
static void
-argz_stringify__ (argz, len, sep)
- char *argz;
- size_t len;
- int sep;
+argz_stringify__ (char *argz, size_t len, int sep)
{
while (len > 0)
{
}
# undef __argz_stringify
# define __argz_stringify(argz, len, sep) argz_stringify__ (argz, len, sep)
-#endif /* !_LIBC && !HAVE___ARGZ_STRINGIFY */
-
-#if !defined _LIBC && !defined HAVE___ARGZ_NEXT
-static char *argz_next__ PARAMS ((char *argz, size_t argz_len,
- const char *entry));
+#endif /* !_LIBC && !HAVE_ARGZ_STRINGIFY */
+#ifdef _LIBC
+#elif defined HAVE_ARGZ_NEXT
+# undef __argz_next
+# define __argz_next argz_next
+#else
static char *
-argz_next__ (argz, argz_len, entry)
- char *argz;
- size_t argz_len;
- const char *entry;
+argz_next__ (char *argz, size_t argz_len, const char *entry)
{
if (entry)
{
}
# undef __argz_next
# define __argz_next(argz, len, entry) argz_next__ (argz, len, entry)
-#endif /* !_LIBC && !HAVE___ARGZ_NEXT */
+#endif /* !_LIBC && !HAVE_ARGZ_NEXT */
/* Return number of bits set in X. */
-static int pop PARAMS ((int x));
-
static inline int
-pop (x)
- int x;
+pop (int x)
{
/* We assume that no more than 16 bits are used. */
x = ((x & ~0x5555) >> 1) + (x & 0x5555);
\f
struct loaded_l10nfile *
-_nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language,
- territory, codeset, normalized_codeset, modifier, special,
- sponsor, revision, filename, do_allocate)
- struct loaded_l10nfile **l10nfile_list;
- const char *dirlist;
- size_t dirlist_len;
- int mask;
- const char *language;
- const char *territory;
- const char *codeset;
- const char *normalized_codeset;
- const char *modifier;
- const char *special;
- const char *sponsor;
- const char *revision;
- const char *filename;
- int do_allocate;
+_nl_make_l10nflist (struct loaded_l10nfile **l10nfile_list,
+ const char *dirlist, size_t dirlist_len,
+ int mask, const char *language, const char *territory,
+ const char *codeset, const char *normalized_codeset,
+ const char *modifier,
+ const char *filename, 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 & TERRITORY) != 0
+ + ((mask & XPG_TERRITORY) != 0
? strlen (territory) + 1 : 0)
+ ((mask & XPG_CODESET) != 0
? strlen (codeset) + 1 : 0)
+ ((mask & XPG_NORM_CODESET) != 0
? strlen (normalized_codeset) + 1 : 0)
- + (((mask & XPG_MODIFIER) != 0
- || (mask & CEN_AUDIENCE) != 0)
+ + ((mask & XPG_MODIFIER) != 0
? strlen (modifier) + 1 : 0)
- + ((mask & CEN_SPECIAL) != 0
- ? strlen (special) + 1 : 0)
- + (((mask & CEN_SPONSOR) != 0
- || (mask & CEN_REVISION) != 0)
- ? (1 + ((mask & CEN_SPONSOR) != 0
- ? strlen (sponsor) + 1 : 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)
+ if ((mask & XPG_TERRITORY) != 0)
{
*cp++ = '_';
cp = stpcpy (cp, territory);
*cp++ = '.';
cp = stpcpy (cp, normalized_codeset);
}
- if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0)
+ if ((mask & XPG_MODIFIER) != 0)
{
- /* This component can be part of both syntaces but has different
- leading characters. For CEN we use `+', else `@'. */
- *cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@';
+ *cp++ = '@';
cp = stpcpy (cp, modifier);
}
- if ((mask & CEN_SPECIAL) != 0)
- {
- *cp++ = '+';
- cp = stpcpy (cp, special);
- }
- if ((mask & (CEN_SPONSOR | CEN_REVISION)) != 0)
- {
- *cp++ = ',';
- if ((mask & CEN_SPONSOR) != 0)
- cp = stpcpy (cp, sponsor);
- if ((mask & CEN_REVISION) != 0)
- {
- *cp++ = '_';
- cp = stpcpy (cp, revision);
- }
- }
*cp++ = '/';
stpcpy (cp, filename);
/* 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;
+ {
+ free (abs_filename);
+ 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))
+ && !((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, filename,
+ 1);
+ }
+ else
retval->successor[entries++]
- = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt,
- language, territory, codeset,
- normalized_codeset, modifier, special,
- sponsor, revision, filename, 1);
+ = _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len,
+ cnt, language, territory, codeset,
+ normalized_codeset, modifier, filename, 1);
}
retval->successor[entries] = NULL;
names. The return value is dynamically allocated and has to be
freed by the caller. */
const char *
-_nl_normalize_codeset (codeset, name_len)
- const char *codeset;
- size_t name_len;
+_nl_normalize_codeset (const char *codeset, size_t name_len)
{
int len = 0;
int only_digit = 1;
to be defined. */
#if !_LIBC && !HAVE_STPCPY
static char *
-stpcpy (dest, src)
- char *dest;
- const char *src;
+stpcpy (char *dest, const char *src)
{
while ((*dest++ = *src++) != '\0')
/* Do nothing. */ ;