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-rw-r--r--locale/programs/localedef.c299
1 files changed, 105 insertions, 194 deletions
diff --git a/locale/programs/localedef.c b/locale/programs/localedef.c
index 69e9dc5555..5eadbf3570 100644
--- a/locale/programs/localedef.c
+++ b/locale/programs/localedef.c
@@ -1,6 +1,6 @@
/* Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
@@ -30,26 +30,16 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#ifdef _POSIX2_LOCALEDEF
-# include <sys/mman.h>
-#endif
+#include <sys/mman.h>
#include <sys/stat.h>
#include "error.h"
-#include "charset.h"
+#include "charmap.h"
#include "locfile.h"
-#include "locales.h"
-
-/* This is a special entry of the copylist. For all categories we don't
- have a definition we use the data for the POSIX locale. */
-struct copy_def_list_t copy_posix =
-{
- next: NULL,
- name: "POSIX",
- mask: (1 << LC_ALL) - 1,
- locale: NULL
-};
+/* Undefine the following line in the production version. */
+/* #define NDEBUG 1 */
+#include <assert.h>
/* List of copied locales. */
@@ -74,7 +64,10 @@ static const char *charmap_file;
static const char *input_file;
/* Name of the repertoire map file. */
-const char *repertoiremap;
+const char *repertoire_global;
+
+/* List of all locales. */
+static struct localedef_t *locales;
/* Name and version of program. */
@@ -88,11 +81,10 @@ void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
static const struct argp_option options[] =
{
{ NULL, 0, NULL, 0, N_("Input Files:") },
- { "charmap", 'f', N_("FILE"), 0,
+ { "charmap", 'f', "FILE", 0,
N_("Symbolic character names defined in FILE") },
- { "inputfile", 'i', N_("FILE"), 0,
- N_("Source definitions are found in FILE") },
- { "repertoire-map", 'u', N_("FILE"), 0,
+ { "inputfile", 'i', "FILE", 0, N_("Source definitions are found in FILE") },
+ { "repertoire-map", 'u', "FILE", 0,
N_("FILE contains mapping from symbolic names to UCS4 values") },
{ NULL, 0, NULL, 0, N_("Output control:") },
@@ -125,7 +117,7 @@ static struct argp argp =
/* Prototypes for global functions. */
-void *xmalloc (size_t __n);
+extern void *xmalloc (size_t __n);
/* Prototypes for local functions. */
static void error_print (void);
@@ -138,12 +130,12 @@ main (int argc, char *argv[])
{
const char *output_path;
int cannot_write_why;
- struct charset_t *charset;
- struct localedef_t *localedef;
- struct copy_def_list_t *act_add_locdef;
+ struct charmap_t *charmap;
+ struct localedef_t global;
int remaining;
/* Set initial values for global variables. */
+ copy_list = NULL;
posix_conformance = getenv ("POSIXLY_CORRECT") != NULL;
error_print_progname = error_print;
@@ -187,135 +179,37 @@ main (int argc, char *argv[])
error (3, 0, _("FATAL: system does not define `_POSIX2_LOCALEDEF'"));
/* Process charmap file. */
- charset = charmap_read (charmap_file);
+ charmap = charmap_read (charmap_file);
+
+ /* Add the first entry in the locale list. */
+ memset (&global, '\0', sizeof (struct localedef_t));
+ global.name = input_file;
+ global.needed = ALL_LOCALES;
+ locales = &global;
/* Now read the locale file. */
- localedef = locfile_read (input_file, charset);
- if (localedef->failed != 0)
+ if (locfile_read (&global, charmap) != 0)
error (4, errno, _("cannot open locale definition file `%s'"), input_file);
- /* Make sure all categories are defined. */
- copy_posix.next = copy_list;
- copy_list = &copy_posix;
-
- /* Perhaps we saw some `copy' instructions. Process the given list.
- We use a very simple algorithm: we look up the list from the
- beginning every time. */
- do
+ /* Perhaps we saw some `copy' instructions. */
+ while (1)
{
- int cat = 0;
+ struct localedef_t *runp = locales;
- for (act_add_locdef = copy_list; act_add_locdef != NULL;
- act_add_locdef = act_add_locdef->next)
- {
- for (cat = LC_CTYPE; cat <= LC_MESSAGES; ++cat)
- if ((act_add_locdef->mask & (1 << cat)) != 0)
- {
- act_add_locdef->mask &= ~(1 << cat);
- break;
- }
- if (cat <= LC_MESSAGES)
- break;
- }
+ while (runp != NULL && runp->needed == runp->avail)
+ runp = runp->next;
- if (act_add_locdef != NULL)
- {
- int avail = 0;
-
- if (act_add_locdef->locale == NULL)
- {
- /* Saving the mask is an ugly trick to prevent the reader
- from modifying `copy_posix' if we currently process it. */
- int save_mask = act_add_locdef->mask;
- act_add_locdef->locale = locfile_read (act_add_locdef->name,
- charset);
- act_add_locdef->mask = save_mask;
- }
-
- if (! act_add_locdef->locale->failed)
- {
- avail = act_add_locdef->locale->categories[cat].generic != NULL;
- if (avail)
- {
- localedef->categories[cat].generic
- = act_add_locdef->locale->categories[cat].generic;
- localedef->avail |= 1 << cat;
- }
- }
-
- if (! avail)
- {
- static const char *locale_names[] =
- {
- "LC_COLLATE", "LC_CTYPE", "LC_MONETARY",
- "LC_NUMERIC", "LC_TIME", "LC_MESSAGES"
- };
- char *fname;
- int fd;
- struct stat st;
-
- asprintf (&fname, LOCALEDIR "/%s/%s", act_add_locdef->name,
- locale_names[cat]);
- fd = open (fname, O_RDONLY);
- if (fd == -1)
- {
- free (fname);
-
- asprintf (&fname, LOCALEDIR "/%s/%s/SYS_%s",
- act_add_locdef->name, locale_names[cat],
- locale_names[cat]);
-
- fd = open (fname, O_RDONLY);
- if (fd == -1)
- error (5, 0, _("\
-locale file `%s', used in `copy' statement, not found"),
- act_add_locdef->name);
- }
-
- if (fstat (fd, &st) < 0)
- error (5, errno, _("\
-cannot `stat' locale file `%s'"),
- fname);
-
- localedef->len[cat] = st.st_size;
-#ifdef _POSIX_MAPPED_FILES
- localedef->categories[cat].generic
- = mmap (NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
-
- if (localedef->categories[cat].generic == MAP_FAILED)
-#endif /* _POSIX_MAPPED_FILES */
- {
- size_t left = st.st_size;
- void *read_ptr;
-
- localedef->categories[cat].generic
- = xmalloc (st.st_size);
- read_ptr = localedef->categories[cat].generic;
-
- do
- {
- long int n;
- n = read (fd, read_ptr, left);
- if (n == -1)
- error (5, errno, _("cannot read locale file `%s'"),
- fname);
- read_ptr += n;
- left -= n;
- }
- while (left > 0);
- }
-
- close (fd);
- free (fname);
-
- localedef->binary |= 1 << cat;
- }
- }
+ if (runp == NULL)
+ /* Everything read. */
+ break;
+
+ if (locfile_read (runp, charmap) != 0)
+ error (4, errno, _("cannot open locale definition file `%s'"),
+ runp->name);
}
- while (act_add_locdef != NULL);
/* Check the categories we processed in source form. */
- check_all_categories (localedef, charset);
+ check_all_categories (locales, charmap);
/* We are now able to write the data files. If warning were given we
do it only if it is explicitly requested (--force). */
@@ -325,7 +219,7 @@ cannot `stat' locale file `%s'"),
error (4, cannot_write_why, _("cannot write output files to `%s'"),
output_path);
else
- write_all_categories (localedef, charset, output_path);
+ write_all_categories (locales, charmap, output_path);
}
else
error (4, 0, _("no output file produced because warning were issued"));
@@ -357,7 +251,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
input_file = arg;
break;
case 'u':
- repertoiremap = arg;
+ repertoire_global = arg;
break;
case 'v':
verbose = 1;
@@ -406,50 +300,11 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
}
-void
-def_to_process (const char *name, int category)
-{
- struct copy_def_list_t *new, **rp;
-
- for (rp = &copy_list; *rp != NULL; rp = &(*rp)->next)
- if (strcmp (name, (*rp)->name) == 0)
- break;
-
- if (*rp == NULL)
- {
- size_t cnt;
-
- *rp = (struct copy_def_list_t *) xmalloc (sizeof (**rp));
-
- (*rp)->next = NULL;
- (*rp)->name = name;
- (*rp)->mask = 0;
- (*rp)->locale = NULL;
-
- for (cnt = 0; cnt < 6; ++cnt)
- {
- (*rp)->binary[cnt].data = NULL;
- (*rp)->binary[cnt].len = 0;
- }
- }
- new = *rp;
-
- if ((new->mask & category) != 0)
- /* We already have the information. This cannot happen. */
- error (5, 0, _("\
-category data requested more than once: should not happen"));
-
- new->mask |= category;
-}
-
-
/* The address of this function will be assigned to the hook in the error
functions. */
static void
-error_print ()
+error_print (void)
{
- /* We don't want the program name to be printed in messages. Emacs'
- compile.el does not like this. */
}
@@ -461,13 +316,15 @@ construct_output_path (char *path)
{
const char *normal = NULL;
char *result;
+ char *endp;
if (strchr (path, '/') == NULL)
{
/* This is a system path. First examine whether the locale name
contains a reference to the codeset. This should be
normalized. */
- char *startp, *endp;
+ char *startp;
+ size_t n;
startp = path;
/* We must be prepared for finding a CEN name or a location of
@@ -493,17 +350,20 @@ construct_output_path (char *path)
the end of the function we need another byte for the trailing
'/'. */
if (normal == NULL)
- asprintf (&result, "%s/%s%c", LOCALEDIR, path, '\0');
+ n = asprintf (&result, "%s/%s%c", LOCALEDIR, path, '\0');
else
- asprintf (&result, "%s/%.*s%s%s%c", LOCALEDIR, startp - path, path,
- normal, endp, '\0');
+ n = asprintf (&result, "%s/%.*s%s%s%c", LOCALEDIR, startp - path, path,
+ normal, endp, '\0');
+
+ endp = result + n;
}
else
{
/* This is a user path. Please note the additional byte in the
memory allocation. */
- result = xmalloc (strlen (path) + 2);
- strcpy (result, path);
+ size_t len = strlen (path) + 1;
+ result = xmalloc (len + 1);
+ endp = mempcpy (result, path, len);
}
errno = 0;
@@ -516,11 +376,13 @@ construct_output_path (char *path)
mkdir (result, 0777);
}
- strcat (result, "/");
+ *endp++ = '/';
+ *endp = '\0';
return result;
}
+
/* Normalize codeset name. There is no standard for the codeset
names. Normalization allows the user to use any of the common
names. */
@@ -555,7 +417,7 @@ normalize_codeset (codeset, name_len)
for (cnt = 0; cnt < name_len; ++cnt)
if (isalpha (codeset[cnt]))
- *wp++ = _tolower (codeset[cnt]);
+ *wp++ = tolower (codeset[cnt]);
else if (isdigit (codeset[cnt]))
*wp++ = codeset[cnt];
@@ -564,3 +426,52 @@ normalize_codeset (codeset, name_len)
return (const char *) retval;
}
+
+
+struct localedef_t *
+add_to_readlist (int locale, const char *name, const char *repertoire_name)
+{
+ struct localedef_t *runp = locales;
+
+ while (runp != NULL && strcmp (name, runp->name) != 0)
+ runp = runp->next;
+
+ if (runp == NULL)
+ {
+ /* Add a new entry at the end. */
+ struct localedef_t *newp = xcalloc (1, sizeof (struct localedef_t));
+ newp->name = name;
+ newp->repertoire_name = repertoire_name;
+
+ if (locales == NULL)
+ runp = locales = newp;
+ else
+ {
+ runp = locales;
+ while (runp->next != NULL)
+ runp = runp->next;
+ runp = runp->next = newp;
+ }
+ }
+
+ if ((runp->needed & (1 << locale)) != 0)
+ error (5, 0, _("circular dependencies between locale definitions"));
+
+ runp->needed |= 1 << locale;
+
+ return runp;
+}
+
+
+struct localedef_t *
+find_locale (int locale, const char *name, const char *repertoire_name,
+ struct charmap_t *charmap)
+{
+ struct localedef_t *result = add_to_readlist (locale, name, repertoire_name);
+
+ if (locfile_read (result, charmap) != 0)
+ error (4, errno, _("cannot open locale definition file `%s'"),
+ result->name);
+
+ return result;
+}
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