/* Copyright (C) 1995, 1996, 1997 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. 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 "error.h" #include "charset.h" #include "locfile.h" /* Undefine the following line in the production version. */ /* #define NDEBUG 1 */ #include /* List of locale definition files which are used in `copy' instructions. */ struct copy_def_list_t { struct copy_def_list_t *next; const char *name; int mask; struct localedef_t *locale; struct { void *data; size_t len; } binary[6]; }; /* 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 force output even if warning were issued. */ static int force_output; /* 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 UCS file. */ static const char *ucs_csn; /* 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 /* 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") }, { "code-set-name", 'u', "NAME", OPTION_HIDDEN, N_("Specify code set for mapping ISO 10646 elements") }, { NULL, 0, NULL, 0, N_("Output control:") }, { "force", 'c', NULL, 0, N_("Create output even if warning messages were issued") }, { "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. */ 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 charset_t *charset; struct localedef_t *localedef; struct copy_def_list_t *act_add_locdef; 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]); 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. */ charset = charmap_read (charmap_file); /* Now read the locale file. */ localedef = locfile_read (input_file, charset); if (localedef->failed != 0) error (4, errno, _("cannot open locale definition file `%s'"), input_file); /* 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 { int cat; 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; } if (act_add_locdef != NULL) { int avail = 0; if (act_add_locdef->locale == NULL) act_add_locdef->locale = locfile_read (act_add_locdef->name, charset); 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; localedef->categories[cat].generic = mmap (NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); if (localedef->categories[cat].generic == MAP_FAILED) { 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; } } } while (act_add_locdef != NULL); /* Check the categories we processed in source form. */ check_all_categories (localedef, charset); /* 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 (localedef, charset, 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 'c': force_output = 1; break; case 'f': charmap_file = arg; break; case 'i': input_file = arg; break; case 'u': ucs_csn = 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\ locale files : %s\n\ %s"), CHARMAP_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\ "), "1995, 1996, 1997"); fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper"); } void def_to_process (const char *name, int category) { struct copy_def_list_t *new, **rp; for (rp = ©_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 () { /* We don't want the program name to be printed in messages. Emacs' compile.el does not like this. */ } /* 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; 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; 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) asprintf (&result, "%s/%s%c", LOCALEDIR, path, '\0'); else asprintf (&result, "%s/%.*s%s%s%c", LOCALEDIR, startp - path, path, normal, endp, '\0'); } else { /* This is a user path. Please note the additional byte in the memory allocation. */ result = xmalloc (strlen (path) + 2); strcpy (result, path); } errno = 0; if (euidaccess (result, W_OK) == -1) /* Perhaps the directory does not exist now. Try to create it. */ if (errno == ENOENT) { errno = 0; mkdir (result, 0777); } strcat (result, "/"); 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; }