mirror of
https://github.com/wiiu-env/ftpiiu_plugin.git
synced 2024-12-23 03:11:49 +01:00
210 lines
6.4 KiB
C
210 lines
6.4 KiB
C
/*-
|
|
* Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
|
|
* at Electronni Visti IA, Kiev, Ukraine.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "collate.h"
|
|
|
|
extern char *_PathLocale;
|
|
int __collate_load_error = 1;
|
|
int __collate_substitute_nontrivial;
|
|
char __collate_version[STR_LEN];
|
|
u_char __collate_substitute_table[UCHAR_MAX + 1][STR_LEN];
|
|
struct __collate_st_char_pri __collate_char_pri_table[UCHAR_MAX + 1];
|
|
struct __collate_st_chain_pri __collate_chain_pri_table[TABLE_SIZE];
|
|
|
|
#define FREAD(a, b, c, d) \
|
|
do \
|
|
{ \
|
|
if (fread (a, b, c, d) != c) \
|
|
{ \
|
|
fclose (d); \
|
|
return -1; \
|
|
} \
|
|
} while (0)
|
|
|
|
void __collate_err (int ex, const char *f);
|
|
|
|
int __collate_load_tables (encoding)
|
|
char *encoding;
|
|
{
|
|
char buf[PATH_MAX];
|
|
FILE *fp;
|
|
int i, save_load_error;
|
|
|
|
save_load_error = __collate_load_error;
|
|
__collate_load_error = 1;
|
|
if (!encoding)
|
|
{
|
|
__collate_load_error = save_load_error;
|
|
return -1;
|
|
}
|
|
if (!strcmp (encoding, "C") || !strcmp (encoding, "POSIX"))
|
|
return 0;
|
|
if (!_PathLocale)
|
|
{
|
|
__collate_load_error = save_load_error;
|
|
return -1;
|
|
}
|
|
/* Range checking not needed, encoding has fixed size */
|
|
(void)strcpy (buf, _PathLocale);
|
|
(void)strcat (buf, "/");
|
|
(void)strcat (buf, encoding);
|
|
(void)strcat (buf, "/LC_COLLATE");
|
|
if ((fp = fopen (buf, "r")) == NULL)
|
|
{
|
|
__collate_load_error = save_load_error;
|
|
return -1;
|
|
}
|
|
FREAD (__collate_version, sizeof (__collate_version), 1, fp);
|
|
if (strcmp (__collate_version, COLLATE_VERSION) != 0)
|
|
{
|
|
fclose (fp);
|
|
return -1;
|
|
}
|
|
FREAD (__collate_substitute_table, sizeof (__collate_substitute_table), 1, fp);
|
|
FREAD (__collate_char_pri_table, sizeof (__collate_char_pri_table), 1, fp);
|
|
FREAD (__collate_chain_pri_table, sizeof (__collate_chain_pri_table), 1, fp);
|
|
fclose (fp);
|
|
__collate_load_error = 0;
|
|
|
|
__collate_substitute_nontrivial = 0;
|
|
for (i = 0; i < UCHAR_MAX + 1; i++)
|
|
{
|
|
if (__collate_substitute_table[i][0] != i || __collate_substitute_table[i][1] != 0)
|
|
{
|
|
__collate_substitute_nontrivial = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
u_char *__collate_substitute (s) const u_char *s;
|
|
{
|
|
int dest_len, len, nlen;
|
|
int delta = strlen ((const char *)s);
|
|
u_char *dest_str = NULL;
|
|
|
|
if (s == NULL || *s == '\0')
|
|
return __collate_strdup ((u_char *)"");
|
|
delta += delta / 8;
|
|
dest_str = (u_char *)malloc (dest_len = delta);
|
|
if (dest_str == NULL)
|
|
__collate_err (EXIT_FAILURE, __FUNCTION__);
|
|
len = 0;
|
|
while (*s)
|
|
{
|
|
nlen = len + strlen ((const char *)__collate_substitute_table[*s]);
|
|
if (dest_len <= nlen)
|
|
{
|
|
dest_str = reallocf (dest_str, dest_len = nlen + delta);
|
|
if (dest_str == NULL)
|
|
__collate_err (EXIT_FAILURE, __FUNCTION__);
|
|
}
|
|
strcpy ((char *)dest_str + len, (const char *)__collate_substitute_table[*s++]);
|
|
len = nlen;
|
|
}
|
|
return dest_str;
|
|
}
|
|
|
|
void __collate_lookup (t, len, prim, sec) const u_char *t;
|
|
int *len, *prim, *sec;
|
|
{
|
|
struct __collate_st_chain_pri *p2;
|
|
|
|
*len = 1;
|
|
*prim = *sec = 0;
|
|
for (p2 = __collate_chain_pri_table; p2->str[0]; p2++)
|
|
{
|
|
if (strncmp ((const char *)t, (const char *)p2->str, strlen ((const char *)p2->str)) == 0)
|
|
{
|
|
*len = strlen ((const char *)p2->str);
|
|
*prim = p2->prim;
|
|
*sec = p2->sec;
|
|
return;
|
|
}
|
|
}
|
|
*prim = __collate_char_pri_table[*t].prim;
|
|
*sec = __collate_char_pri_table[*t].sec;
|
|
}
|
|
|
|
u_char *__collate_strdup (s)
|
|
u_char *s;
|
|
{
|
|
u_char *t = (u_char *)strdup ((const char *)s);
|
|
|
|
if (t == NULL)
|
|
__collate_err (EXIT_FAILURE, __FUNCTION__);
|
|
return t;
|
|
}
|
|
|
|
void __collate_err (int ex, const char *f)
|
|
{
|
|
const char *s;
|
|
int serrno = errno;
|
|
int dummy;
|
|
|
|
/* Be careful to change write counts if you change the strings */
|
|
write (STDERR_FILENO, "collate_error: ", 15);
|
|
write (STDERR_FILENO, f, strlen (f));
|
|
write (STDERR_FILENO, ": ", 2);
|
|
s = _strerror_r (_REENT, serrno, 1, &dummy);
|
|
write (STDERR_FILENO, s, strlen (s));
|
|
write (STDERR_FILENO, "\n", 1);
|
|
exit (ex);
|
|
}
|
|
|
|
#ifdef COLLATE_DEBUG
|
|
void __collate_print_tables ()
|
|
{
|
|
int i;
|
|
struct __collate_st_chain_pri *p2;
|
|
|
|
printf ("Substitute table:\n");
|
|
for (i = 0; i < UCHAR_MAX + 1; i++)
|
|
if (i != *__collate_substitute_table[i])
|
|
printf ("\t'%c' --> \"%s\"\n", i, __collate_substitute_table[i]);
|
|
printf ("Chain priority table:\n");
|
|
for (p2 = __collate_chain_pri_table; p2->str[0]; p2++)
|
|
printf ("\t\"%s\" : %d %d\n\n", p2->str, p2->prim, p2->sec);
|
|
printf ("Char priority table:\n");
|
|
for (i = 0; i < UCHAR_MAX + 1; i++)
|
|
printf ("\t'%c' : %d %d\n",
|
|
i,
|
|
__collate_char_pri_table[i].prim,
|
|
__collate_char_pri_table[i].sec);
|
|
}
|
|
#endif
|