/* Generate fastloading iconv module configuration files.
- Copyright (C) 2000-2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 as
- published by the Free Software Foundation.
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; version 2 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU 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, USA. */
+ along with this program; if not, see <https://www.gnu.org/licenses/>. */
#include <argp.h>
#include <assert.h>
#define OPT_NOSTDLIB 301
static const struct argp_option options[] =
{
- { "prefix", OPT_PREFIX, "PATH", 0, N_("Prefix used for all file accesses") },
- { "output", 'o', "FILE", 0, N_("\
+ { "prefix", OPT_PREFIX, N_("PATH"), 0,
+ N_("Prefix used for all file accesses") },
+ { "output", 'o', N_("FILE"), 0, N_("\
Put output in FILE instead of installed location\
(--prefix does not apply to FILE)") },
{ "nostdlib", OPT_NOSTDLIB, NULL, 0,
static const char gconv_module_ext[] = MODULE_EXT;
-extern void *xmalloc (size_t n) __attribute_malloc__;
-extern void *xcalloc (size_t n, size_t m) __attribute_malloc__;
-extern void *xrealloc (void *p, size_t n);
+#include <programs/xmalloc.h>
/* C string table handling. */
static char *
more_help (int key, const char *text, void *input)
{
+ char *tp = NULL;
switch (key)
{
case ARGP_KEY_HELP_EXTRA:
/* We print some extra information. */
- return strdup (gettext ("\
+ if (asprintf (&tp, gettext ("\
For bug reporting instructions, please see:\n\
-<http://www.gnu.org/software/libc/bugs.html>.\n"));
+%s.\n"), REPORT_BUGS_TO) < 0)
+ return NULL;
+ return tp;
default:
break;
}
static void
print_version (FILE *stream, struct argp_state *state)
{
- fprintf (stream, "iconvconfig (GNU %s) %s\n", PACKAGE, VERSION);
+ fprintf (stream, "iconvconfig %s%s\n", PKGVERSION, 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\
-"), "2006");
+"), "2019");
fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper");
}
/* Add new module. */
static void
-internal_function
add_module (char *rp, const char *directory)
{
/* We expect now
stoff ??? String table
hoff 8*hsize Array of tuples
- string table offset
- module index
+ string table offset
+ module index
moff ??? Array of tuples
- canonical name offset
- from-internal module dir name offset
- from-internal module name off
- to-internal module dir name offset
- to-internal module name offset
- offset into other conversion table
+ canonical name offset
+ from-internal module dir name offset
+ from-internal module name off
+ to-internal module dir name offset
+ to-internal module name offset
+ offset into other conversion table
ooff ??? One or more of
- number of steps/modules
- one or more of tuple
- canonical name offset for output
- module dir name offset
- module name offset
- (following last entry with step count 0)
+ number of steps/modules
+ one or more of tuple
+ canonical name offset for output
+ module dir name offset
+ module name offset
+ (following last entry with step count 0)
*/
+
+static struct hash_entry *hash_table;
+static size_t hash_size;
+
+/* Function to insert the names. */
+static void name_insert (const void *nodep, VISIT value, int level)
+{
+ struct name *name;
+ unsigned int idx;
+ unsigned int hval2;
+
+ if (value != leaf && value != postorder)
+ return;
+
+ name = *(struct name **) nodep;
+ idx = name->hashval % hash_size;
+ hval2 = 1 + name->hashval % (hash_size - 2);
+
+ while (hash_table[idx].string_offset != 0)
+ if ((idx += hval2) >= hash_size)
+ idx -= hash_size;
+
+ hash_table[idx].string_offset = strtaboffset (name->strent);
+
+ assert (name->module_idx != -1);
+ hash_table[idx].module_idx = name->module_idx;
+}
+
static int
write_output (void)
{
char *string_table;
size_t string_table_size;
struct gconvcache_header header;
- struct hash_entry *hash_table;
- size_t hash_size;
struct module_entry *module_table;
char *extra_table;
char *cur_extra_table;
char tmpfname[(output_file == NULL ? sizeof finalname : output_file_len + 1)
+ strlen (".XXXXXX")];
- /* Function to insert the names. */
- auto void
- name_insert (const void *nodep, VISIT value, int level)
- {
- struct name *name;
- unsigned int idx;
- unsigned int hval2;
-
- if (value != leaf && value != postorder)
- return;
-
- name = *(struct name **) nodep;
- idx = name->hashval % hash_size;
- hval2 = 1 + name->hashval % (hash_size - 2);
-
- while (hash_table[idx].string_offset != 0)
- if ((idx += hval2) >= hash_size)
- idx -= hash_size;
-
- hash_table[idx].string_offset = strtaboffset (name->strent);
-
- assert (name->module_idx != -1);
- hash_table[idx].module_idx = name->module_idx;
- }
-
/* Open the output file. */
if (output_file == NULL)
{
/* Create the hashing table. We know how many strings we have.
Creating a perfect hash table is not reasonable here. Therefore
- we use open hashing and a table size which is the next prime 40%
+ we use open hashing and a table size which is the next prime 50%
larger than the number of strings. */
- hash_size = next_prime (nnames * 1.4);
+ hash_size = next_prime (nnames + (nnames >> 1));
hash_table = (struct hash_entry *) xcalloc (hash_size,
sizeof (struct hash_entry));
/* Fill the hash table. */