/* Copyright (C) 1995-1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 1995. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include "error.h" #include "charmap.h" #include "locfile.h" /* Undefine the following line in the production version. */ /* #define NDEBUG 1 */ #include /* List of copied locales. */ struct copy_def_list_t *copy_list; /* If this is defined be POSIX conform. */ int posix_conformance; /* If not zero give a lot more messages. */ int verbose; /* If not zero suppress warnings and information messages. */ int be_quiet; /* If not zero, produce old-style hash table instead of 3-level access tables. */ int oldstyle_tables; /* If not zero force output even if warning were issued. */ static int force_output; /* Prefix for output files. */ const char *output_prefix; /* Name of the character map file. */ static const char *charmap_file; /* Name of the locale definition file. */ static const char *input_file; /* Name of the repertoire map file. */ const char *repertoire_global; /* List of all locales. */ static struct localedef_t *locales; /* Name and version of program. */ static void print_version (FILE *stream, struct argp_state *state); void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version; #define OPT_POSIX 1 #define OPT_QUIET 2 #define OPT_OLDSTYLE 3 #define OPT_PREFIX 4 /* Definitions of arguments for argp functions. */ static const struct argp_option options[] = { { NULL, 0, NULL, 0, N_("Input Files:") }, { "charmap", 'f', "FILE", 0, N_("Symbolic character names defined in FILE") }, { "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:") }, { "force", 'c', NULL, 0, N_("Create output even if warning messages were issued") }, { "old-style", OPT_OLDSTYLE, NULL, 0, N_("Create old-style tables") }, { "prefix", OPT_PREFIX, "PATH", 0, N_("Optional output file prefix") }, { "posix", OPT_POSIX, NULL, 0, N_("Be strictly POSIX conform") }, { "quiet", OPT_QUIET, NULL, 0, N_("Suppress warnings and information messages") }, { "verbose", 'v', NULL, 0, N_("Print more messages") }, { NULL, 0, NULL, 0, NULL } }; /* Short description of program. */ static const char doc[] = N_("Compile locale specification"); /* Strings for arguments in help texts. */ static const char args_doc[] = N_("NAME"); /* Prototype for option handler. */ static error_t parse_opt (int key, char *arg, struct argp_state *state); /* Function to print some extra text in the help message. */ static char *more_help (int key, const char *text, void *input); /* Data structure to communicate with argp functions. */ static struct argp argp = { options, parse_opt, args_doc, doc, NULL, more_help }; /* Prototypes for global functions. */ extern void *xmalloc (size_t __n); /* Prototypes for local functions. */ static void error_print (void); static const char *construct_output_path (char *path); static const char *normalize_codeset (const char *codeset, size_t name_len); int main (int argc, char *argv[]) { const char *output_path; int cannot_write_why; 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; /* Set locale. Do not set LC_ALL because the other categories must not be affected (according to POSIX.2). */ setlocale (LC_MESSAGES, ""); setlocale (LC_CTYPE, ""); /* Initialize the message catalog. */ textdomain (_libc_intl_domainname); /* Parse and process arguments. */ argp_err_exit_status = 4; argp_parse (&argp, argc, argv, 0, &remaining, NULL); /* POSIX.2 requires to be verbose about missing characters in the character map. */ verbose |= posix_conformance; if (argc - remaining != 1) { /* We need exactly one non-option parameter. */ argp_help (&argp, stdout, ARGP_HELP_SEE | ARGP_HELP_EXIT_ERR, program_invocation_short_name); exit (4); } /* The parameter describes the output path of the constructed files. If the described files cannot be written return a NULL pointer. */ output_path = construct_output_path (argv[remaining]); if (output_path == NULL) error (4, errno, _("cannot create directory for output files")); cannot_write_why = errno; /* Now that the parameters are processed we have to reset the local ctype locale. (P1003.2 4.35.5.2) */ setlocale (LC_CTYPE, "POSIX"); /* Look whether the system really allows locale definitions. POSIX defines error code 3 for this situation so I think it must be a fatal error (see P1003.2 4.35.8). */ if (sysconf (_SC_2_LOCALEDEF) < 0) error (3, 0, _("FATAL: system does not define `_POSIX2_LOCALEDEF'")); /* Process charmap file. */ charmap = charmap_read (charmap_file, verbose, be_quiet, 1); /* Add the first entry in the locale list. */ memset (&global, '\0', sizeof (struct localedef_t)); global.name = input_file ?: "/dev/stdin"; global.needed = ALL_LOCALES; locales = &global; /* Now read the locale file. */ if (locfile_read (&global, charmap) != 0) error (4, errno, _("cannot open locale definition file `%s'"), input_file); /* Perhaps we saw some `copy' instructions. */ while (1) { struct localedef_t *runp = locales; while (runp != NULL && (runp->needed & runp->avail) == runp->needed) runp = runp->next; if (runp == NULL) /* Everything read. */ break; if (locfile_read (runp, charmap) != 0) error (4, errno, _("cannot open locale definition file `%s'"), runp->name); } /* Check the categories we processed in source form. */ 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). */ if (error_message_count == 0 || force_output != 0) { if (cannot_write_why != 0) error (4, cannot_write_why, _("cannot write output files to `%s'"), output_path); else write_all_categories (locales, charmap, output_path); } else error (4, 0, _("no output file produced because warning were issued")); /* This exit status is prescribed by POSIX.2 4.35.7. */ exit (error_message_count != 0); } /* Handle program arguments. */ static error_t parse_opt (int key, char *arg, struct argp_state *state) { switch (key) { case OPT_QUIET: be_quiet = 1; break; case OPT_POSIX: posix_conformance = 1; break; case OPT_OLDSTYLE: oldstyle_tables = 1; break; case OPT_PREFIX: output_prefix = arg; break; case 'c': force_output = 1; break; case 'f': charmap_file = arg; break; case 'i': input_file = arg; break; case 'u': repertoire_global = arg; break; case 'v': verbose = 1; break; default: return ARGP_ERR_UNKNOWN; } return 0; } static char * more_help (int key, const char *text, void *input) { char *cp; switch (key) { case ARGP_KEY_HELP_EXTRA: /* We print some extra information. */ asprintf (&cp, gettext ("\ System's directory for character maps : %s\n\ repertoire maps: %s\n\ locale path : %s\n\ %s"), CHARMAP_PATH, REPERTOIREMAP_PATH, LOCALE_PATH, gettext ("\ Report bugs using the `glibcbug' script to .\n")); return cp; default: break; } return (char *) text; } /* Print the version information. */ static void print_version (FILE *stream, struct argp_state *state) { fprintf (stream, "localedef (GNU %s) %s\n", PACKAGE, VERSION); fprintf (stream, gettext ("\ Copyright (C) %s Free Software Foundation, Inc.\n\ This is free software; see the source for copying conditions. There is NO\n\ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ "), "2002"); fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper"); } /* The address of this function will be assigned to the hook in the error functions. */ static void error_print (void) { } /* The parameter to localedef describes the output path. If it does contain a '/' character it is a relative path. Otherwise it names the locale this definition is for. */ static const char * 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; size_t n; startp = path; /* We must be prepared for finding a CEN name or a location of the introducing `.' where it is not possible anymore. */ while (*startp != '\0' && *startp != '@' && *startp != '.' && *startp != '+' && *startp != ',') ++startp; if (*startp == '.') { /* We found a codeset specification. Now find the end. */ endp = ++startp; while (*endp != '\0' && *endp != '@') ++endp; if (endp > startp) normal = normalize_codeset (startp, endp - startp); } else /* This is to keep gcc quiet. */ endp = NULL; /* We put an additional '\0' at the end of the string because at the end of the function we need another byte for the trailing '/'. */ if (normal == NULL) n = asprintf (&result, "%s%s/%s%c", output_prefix ?: "", LOCALEDIR, path, '\0'); else n = asprintf (&result, "%s%s/%.*s%s%s%c", output_prefix ?: "", LOCALEDIR, (int) (startp - path), path, normal, endp, '\0'); if (n < 0) return NULL; endp = result + n - 1; } else { /* This is a user path. Please note the additional byte in the memory allocation. */ size_t len = strlen (path) + 1; result = xmalloc (len + 1); endp = mempcpy (result, path, len) - 1; } errno = 0; if (euidaccess (result, W_OK) == -1) /* Perhaps the directory does not exist now. Try to create it. */ if (errno == ENOENT) { errno = 0; if (mkdir (result, 0777) < 0) return NULL; } *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. */ static const char * normalize_codeset (codeset, name_len) const char *codeset; size_t name_len; { int len = 0; int only_digit = 1; char *retval; char *wp; size_t cnt; for (cnt = 0; cnt < name_len; ++cnt) if (isalnum (codeset[cnt])) { ++len; if (isalpha (codeset[cnt])) only_digit = 0; } retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1); if (retval != NULL) { if (only_digit) wp = stpcpy (retval, "iso"); else wp = retval; for (cnt = 0; cnt < name_len; ++cnt) if (isalpha (codeset[cnt])) *wp++ = tolower (codeset[cnt]); else if (isdigit (codeset[cnt])) *wp++ = codeset[cnt]; *wp = '\0'; } return (const char *) retval; } struct localedef_t * add_to_readlist (int locale, const char *name, const char *repertoire_name, int generate, struct localedef_t *copy_locale) { 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; assert (generate == 1); 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 (generate && (runp->needed & (1 << locale)) != 0) error (5, 0, _("circular dependencies between locale definitions")); if (copy_locale != NULL) { if (runp->categories[locale].generic != NULL) error (5, 0, _("cannot add already read locale `%s' a second time"), name); else runp->categories[locale].generic = copy_locale->categories[locale].generic; } runp->needed |= 1 << locale; return runp; } struct localedef_t * find_locale (int locale, const char *name, const char *repertoire_name, const struct charmap_t *charmap) { struct localedef_t *result; /* Find the locale, but do not generate it since this would be a bug. */ result = add_to_readlist (locale, name, repertoire_name, 0, NULL); assert (result != NULL); if ((result->avail & (1 << locale)) == 0 && locfile_read (result, charmap) != 0) error (4, errno, _("cannot open locale definition file `%s'"), result->name); return result; } struct localedef_t * load_locale (int locale, const char *name, const char *repertoire_name, const struct charmap_t *charmap, struct localedef_t *copy_locale) { struct localedef_t *result; /* Generate the locale if it does not exist. */ result = add_to_readlist (locale, name, repertoire_name, 1, copy_locale); assert (result != NULL); if ((result->avail & (1 << locale)) == 0 && locfile_read (result, charmap) != 0) error (4, errno, _("cannot open locale definition file `%s'"), result->name); return result; } static void turn_on_mcheck (void) { /* Enable `malloc' debugging. */ mcheck (NULL); /* Use the following line for a more thorough but much slower testing. */ /* mcheck_pedantic (NULL); */ } void (*__malloc_initialize_hook) (void) = turn_on_mcheck;