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|
/*
* Copyright (C) 2000-2004 the xine project
*
* This file is part of xine, a free video player.
*
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* xine 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 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
*
* $Id: utils.c,v 1.37 2004/10/30 15:04:47 miguelfreitas Exp $
*
*/
#define _POSIX_PTHREAD_SEMANTICS 1 /* for 5-arg getpwuid_r on solaris */
/*
#define LOG
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xineutils.h"
#include "xineintl.h"
#ifdef _MSC_VER
#include "xine_internal.h"
#endif
#include <errno.h>
#include <pwd.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#if HAVE_EXECINFO_H
#include <execinfo.h>
#endif
#if HAVE_UCONTEXT_H
#include <ucontext.h>
#endif
#ifdef HAVE_LANGINFO_CODESET
#include <langinfo.h>
#endif
#if defined(__CYGWIN__) || defined(WIN32)
#include <windows.h>
#endif
typedef struct {
char *language; /* name of the locale */
char *encoding; /* typical encoding */
char *spu_encoding; /* default spu encoding */
char *modifier;
} lang_locale_t;
/*
* information about locales used in xine
*/
static lang_locale_t lang_locales[] = {
{ "af_ZA", "iso-8859-1", "iso-8859-1", NULL },
{ "ar_AE", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_BH", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_DZ", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_EG", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_IN", "utf-8", "utf-8", NULL },
{ "ar_IQ", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_JO", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_KW", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_LB", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_LY", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_MA", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_OM", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_QA", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_SA", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_SD", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_SY", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_TN", "iso-8859-6", "iso-8859-6", NULL },
{ "ar_YE", "iso-8859-6", "iso-8859-6", NULL },
{ "be_BY", "cp1251", "cp1251", NULL },
{ "bg_BG", "cp1251", "cp1251", NULL },
{ "br_FR", "iso-8859-1", "iso-88591", NULL },
{ "bs_BA", "iso-8859-2", "cp1250", NULL },
{ "ca_ES", "iso-8859-1", "iso-88591", NULL },
{ "ca_ES", "iso-8859-15", "iso-8859-15", "euro" },
{ "cs_CZ", "iso-8859-2", "cp1250", NULL },
{ "cy_GB", "iso-8859-14", "iso-8859-14", NULL },
{ "da_DK", "iso-8859-1", "iso-8859-1", NULL },
{ "de_AT", "iso-8859-1", "iso-8859-1", NULL },
{ "de_AT", "iso-8859-15", "iso-8859-15", "euro" },
{ "de_BE", "iso-8859-1", "iso-8859-1", NULL },
{ "de_BE", "iso-8859-15", "iso-8859-15", "euro" },
{ "de_CH", "iso-8859-1", "iso-8859-1", NULL },
{ "de_DE", "iso-8859-1", "iso-8859-1", NULL },
{ "de_DE", "iso-8859-15", "iso-8859-15", "euro" },
{ "de_LU", "iso-8859-1", "iso-8859-1", NULL },
{ "de_LU", "iso-8859-15", "iso-8859-15", "euro" },
{ "el_GR", "iso-8859-7", "iso-8859-7", NULL },
{ "en_AU", "iso-8859-1", "iso-8859-1", NULL },
{ "en_BW", "iso-8859-1", "iso-8859-1", NULL },
{ "en_CA", "iso-8859-1", "iso-8859-1", NULL },
{ "en_DK", "iso-8859-1", "iso-8859-1", NULL },
{ "en_GB", "iso-8859-1", "iso-8859-1", NULL },
{ "en_HK", "iso-8859-1", "iso-8859-1", NULL },
{ "en_IE", "iso-8859-1", "iso-8859-1", NULL },
{ "en_IE", "iso-8859-15", "iso-8859-15", "euro" },
{ "en_IN", "utf-8", "utf-8", NULL },
{ "en_NZ", "iso-8859-1", "iso-8859-1", NULL },
{ "en_PH", "iso-8859-1", "iso-8859-1", NULL },
{ "en_SG", "iso-8859-1", "iso-8859-1", NULL },
{ "en_US", "iso-8859-1", "iso-8859-1", NULL },
{ "en_ZA", "iso-8859-1", "iso-8859-1", NULL },
{ "en_ZW", "iso-8859-1", "iso-8859-1", NULL },
{ "es_AR", "iso-8859-1", "iso-8859-1", NULL },
{ "es_BO", "iso-8859-1", "iso-8859-1", NULL },
{ "es_CL", "iso-8859-1", "iso-8859-1", NULL },
{ "es_CO", "iso-8859-1", "iso-8859-1", NULL },
{ "es_CR", "iso-8859-1", "iso-8859-1", NULL },
{ "es_DO", "iso-8859-1", "iso-8859-1", NULL },
{ "es_EC", "iso-8859-1", "iso-8859-1", NULL },
{ "es_ES", "iso-8859-1", "iso-8859-1", NULL },
{ "es_ES", "iso-8859-15", "iso-8859-15", "euro" },
{ "es_GT", "iso-8859-1", "iso-8859-1", NULL },
{ "es_HN", "iso-8859-1", "iso-8859-1", NULL },
{ "es_MX", "iso-8859-1", "iso-8859-1", NULL },
{ "es_NI", "iso-8859-1", "iso-8859-1", NULL },
{ "es_PA", "iso-8859-1", "iso-8859-1", NULL },
{ "es_PE", "iso-8859-1", "iso-8859-1", NULL },
{ "es_PR", "iso-8859-1", "iso-8859-1", NULL },
{ "es_PY", "iso-8859-1", "iso-8859-1", NULL },
{ "es_SV", "iso-8859-1", "iso-8859-1", NULL },
{ "es_US", "iso-8859-1", "iso-8859-1", NULL },
{ "es_UY", "iso-8859-1", "iso-8859-1", NULL },
{ "es_VE", "iso-8859-1", "iso-8859-1", NULL },
{ "et_EE", "iso-8859-1", "iso-8859-1", NULL },
{ "eu_ES", "iso-8859-1", "iso-8859-1", NULL },
{ "eu_ES", "iso-8859-15", "iso-8859-15", "euro" },
{ "fa_IR", "utf-8", "utf-8", NULL },
{ "fi_FI", "iso-8859-1", "iso-8859-1", NULL },
{ "fi_FI", "iso-8859-15", "iso-8859-15", "euro" },
{ "fo_FO", "iso-8859-1", "iso-8859-1", NULL },
{ "fr_BE", "iso-8859-1", "iso-8859-1", NULL },
{ "fr_BE", "iso-8859-15", "iso-8859-15", "euro" },
{ "fr_CA", "iso-8859-1", "iso-8859-1", NULL },
{ "fr_CH", "iso-8859-1", "iso-8859-1", NULL },
{ "fr_FR", "iso-8859-1", "iso-8859-1", NULL },
{ "fr_FR", "iso-8859-15", "iso-8859-15", "euro" },
{ "fr_LU", "iso-8859-1", "iso-8859-1", NULL },
{ "fr_LU", "iso-8859-15", "iso-8859-15", "euro" },
{ "ga_IE", "iso-8859-1", "iso-8859-1", NULL },
{ "ga_IE", "iso-8859-15", "iso-8859-15", "euro" },
{ "gl_ES", "iso-8859-1", "iso-8859-1", NULL },
{ "gl_ES", "iso-8859-15", "iso-8859-15", "euro" },
{ "gv_GB", "iso-8859-1", "iso-8859-1", NULL },
{ "he_IL", "iso-8859-8", "iso-8859-8", NULL },
{ "hi_IN", "utf-8", "utf-8", NULL },
{ "hr_HR", "iso-8859-2", "cp1250", NULL },
{ "hu_HU", "iso-8859-2", "cp1250", NULL },
{ "id_ID", "iso-8859-1", "iso-8859-1", NULL },
{ "is_IS", "iso-8859-1", "iso-8859-1", NULL },
{ "it_CH", "iso-8859-1", "iso-8859-1", NULL },
{ "it_IT", "iso-8859-1", "iso-8859-1", NULL },
{ "it_IT", "iso-8859-15", "iso-8859-15", "euro" },
{ "iw_IL", "iso-8859-8", "iso-8859-8", NULL },
{ "ja_JP", "euc-jp", "euc-jp", NULL },
{ "ja_JP", "ujis", "ujis", NULL },
{ "japanese", "euc", "euc", NULL },
{ "ka_GE", "georgian-ps", "georgian-ps", NULL },
{ "kl_GL", "iso-8859-1", "iso-8859-1", NULL },
{ "ko_KR", "euc-kr", "euc-kr", NULL },
{ "ko_KR", "utf-8", "utf-8", NULL },
{ "korean", "euc", "euc", NULL },
{ "kw_GB", "iso-8859-1", "iso-8859-1", NULL },
{ "lt_LT", "iso-8859-13", "iso-8859-13", NULL },
{ "lv_LV", "iso-8859-13", "iso-8859-13", NULL },
{ "mi_NZ", "iso-8859-13", "iso-8859-13", NULL },
{ "mk_MK", "iso-8859-5", "cp1251", NULL },
{ "mr_IN", "utf-8", "utf-8", NULL },
{ "ms_MY", "iso-8859-1", "iso-8859-1", NULL },
{ "mt_MT", "iso-8859-3", "iso-8859-3", NULL },
{ "nb_NO", "ISO-8859-1", "ISO-8859-1", NULL },
{ "nl_BE", "iso-8859-1", "iso-8859-1", NULL },
{ "nl_BE", "iso-8859-15", "iso-8859-15", "euro" },
{ "nl_NL", "iso-8859-1", "iso-8859-1", NULL },
{ "nl_NL", "iso-8859-15", "iso-8859-15", "euro" },
{ "nn_NO", "iso-8859-1", "iso-8859-1", NULL },
{ "no_NO", "iso-8859-1", "iso-8859-1", NULL },
{ "oc_FR", "iso-8859-1", "iso-8859-1", NULL },
{ "pl_PL", "iso-8859-2", "cp1250", NULL },
{ "pt_BR", "iso-8859-1", "iso-8859-1", NULL },
{ "pt_PT", "iso-8859-1", "iso-8859-1", NULL },
{ "pt_PT", "iso-8859-15", "iso-8859-15", "euro" },
{ "ro_RO", "iso-8859-2", "cp1250", NULL },
{ "ru_RU", "iso-8859-5", "cp1251", NULL },
{ "ru_RU", "koi8-r", "cp1251", NULL },
{ "ru_UA", "koi8-u", "cp1251", NULL },
{ "se_NO", "utf-8", "utf-8", NULL },
{ "sk_SK", "iso-8859-2", "cp1250", NULL },
{ "sl_SI", "iso-8859-2", "cp1250", NULL },
{ "sq_AL", "iso-8859-1", "iso-8859-1", NULL },
{ "sr_YU", "iso-8859-2", "cp1250", NULL },
{ "sr_YU", "iso-8859-5", "cp1251", "cyrillic" },
{ "sv_FI", "iso-8859-1", "iso-8859-1", NULL },
{ "sv_FI", "iso-8859-15", "iso-8859-15", "euro" },
{ "sv_SE", "iso-8859-1", "iso-8859-1", NULL },
{ "ta_IN", "utf-8", "utf-8", NULL },
{ "te_IN", "utf-8", "utf-8", NULL },
{ "tg_TJ", "koi8-t", "cp1251", NULL },
{ "th_TH", "tis-620", "tis-620", NULL },
{ "tl_PH", "iso-8859-1", "iso-8859-1", NULL },
{ "tr_TR", "iso-8859-9", "iso-8859-9", NULL },
{ "uk_UA", "koi8-u", "cp1251", NULL },
{ "ur_PK", "utf-8", "utf-8", NULL },
{ "uz_UZ", "iso-8859-1", "iso-8859-1", NULL },
{ "vi_VN", "tcvn", "tcvn", NULL },
{ "vi_VN", "utf-8", "utf-8", NULL },
{ "wa_BE", "iso-8859-1", "iso-8859-1", NULL },
{ "wa_BE", "iso-8859-15", "iso-8859-15", "euro" },
{ "yi_US", "cp1255", "cp1255", NULL },
{ "zh_CN", "gb18030", "gb18030", NULL },
{ "zh_CN", "gb2312", "gb2312", NULL },
{ "zh_CN", "gbk", "gbk", NULL },
{ "zh_HK", "big5-hkscs", "big5-hkscs", NULL },
{ "zh_TW", "big-5", "big-5", NULL },
{ "zh_TW", "euc-tw", "euc-tw", NULL },
{ NULL, NULL, NULL, NULL }
};
void *xine_xmalloc(size_t size) {
void *ptr;
/* prevent xine_xmalloc(0) of possibly returning NULL */
if( !size )
size++;
if((ptr = calloc(1, size)) == NULL) {
fprintf(stderr, "%s: malloc() failed: %s.\n",
__XINE_FUNCTION__, strerror(errno));
return NULL;
}
return ptr;
}
void *xine_xmalloc_aligned(size_t alignment, size_t size, void **base) {
char *ptr;
*base = ptr = xine_xmalloc (size+alignment);
while ((size_t) ptr % alignment)
ptr++;
return ptr;
}
#if defined(__CYGWIN__) || defined(WIN32)
/* Ridiculous hack to return valid xine support
* directories. These should be read from
* a registry entry set at install time.
*/
char *exec_path_append_subdir(char *string) {
static char tmp_win32_path[1024] = "\0";
char *back_slash;
char *fore_slash;
char *last_slash;
/* first run - fill out dll path */
if (!*tmp_win32_path) {
char *tmpchar;
char *cmdline;
/* get program exec command line */
cmdline = GetCommandLine();
/* check for " at beginning of string */
if( *cmdline == '\"' ) {
/* copy command line, skip first quote */
strncpy(tmp_win32_path, cmdline + 1, sizeof(tmp_win32_path));
tmp_win32_path[sizeof(tmp_win32_path) - 1] = '\0';
/* terminate at second set of quotes */
tmpchar = strchr(tmp_win32_path, '\"');
if (tmpchar) *tmpchar = 0;
} else {
/* copy command line */
strncpy(tmp_win32_path, cmdline, sizeof(tmp_win32_path));
tmp_win32_path[sizeof(tmp_win32_path) - 1] = '\0';
/* terminate at first space */
tmpchar = strchr(tmp_win32_path, ' ');
if (tmpchar) *tmpchar = 0;
}
}
/* find the last occurance of a back
* slash or fore slash
*/
back_slash = strrchr(tmp_win32_path, '\\');
fore_slash = strrchr(tmp_win32_path, '/');
/* make sure the last back slash was not
* after a drive letter
*/
if(back_slash > tmp_win32_path)
if(*( back_slash - 1 ) == ':')
back_slash = 0;
/* which slash was the latter slash */
if(back_slash > fore_slash)
last_slash = back_slash;
else
last_slash = fore_slash;
/* detect if we had a relative or
* distiguished path ( had a slash )
*/
if(last_slash) {
/* we had a slash charachter in our
* command line
*/
*(last_slash + 1) = 0;
/* if had a string to append to the path */
if(string)
strncat(tmp_win32_path, string, sizeof(tmp_win32_path) - strlen(tmp_win32_path) - 1);
} else {
if(string) {
/* if had a string to append to the path */
strncpy(tmp_win32_path, string, sizeof(tmp_win32_path));
tmp_win32_path[sizeof(tmp_win32_path) - 1] = '\0';
} else {
/* no slash, assume local directory */
strcpy(tmp_win32_path, ".");
}
}
return tmp_win32_path;
}
#endif
#ifndef BUFSIZ
#define BUFSIZ 256
#endif
const char *xine_get_homedir(void) {
#ifdef WIN32
return exec_path_append_subdir(NULL);
#else
struct passwd pwd, *pw = NULL;
static char homedir[BUFSIZ] = {0,};
if(homedir[0])
return homedir;
#ifdef HAVE_GETPWUID_R
if(getpwuid_r(getuid(), &pwd, homedir, sizeof(homedir), &pw) != 0 || pw == NULL) {
#else
if((pw = getpwuid(getuid())) == NULL) {
#endif
char *tmp = getenv("HOME");
if(tmp) {
strncpy(homedir, tmp, sizeof(homedir));
homedir[sizeof(homedir) - 1] = '\0';
}
} else {
char *s = strdup(pw->pw_dir);
strncpy(homedir, s, sizeof(homedir));
homedir[sizeof(homedir) - 1] = '\0';
free(s);
}
if(!homedir[0]) {
printf("xine_get_homedir: Unable to get home directory, set it to /tmp.\n");
strcpy(homedir, "/tmp");
}
return homedir;
#endif /* _MSC_VER */
}
char *xine_chomp(char *str) {
char *pbuf;
pbuf = str;
while(*pbuf != '\0') pbuf++;
while(pbuf > str) {
if(*pbuf == '\r' || *pbuf == '\n' || *pbuf == '"') pbuf = '\0';
pbuf--;
}
while(*pbuf == '=' || *pbuf == '"') pbuf++;
return pbuf;
}
/*
* a thread-safe usecond sleep
*/
void xine_usec_sleep(unsigned usec) {
#if HAVE_NANOSLEEP
/* nanosleep is prefered on solaris, because it's mt-safe */
struct timespec ts;
ts.tv_sec = usec / 1000000;
ts.tv_nsec = (usec % 1000000) * 1000;
nanosleep(&ts, NULL);
#else
# if WIN32
Sleep(usec / 1000);
# else
usleep(usec);
# endif
#endif
}
/* print a hexdump of length bytes from the data given in buf */
void xine_hexdump (const char *buf, int length) {
int i,j;
unsigned char c;
/* printf ("Hexdump: %i Bytes\n", length);*/
for(j=0; j<69; j++)
printf ("-");
printf ("\n");
j=0;
while(j<length) {
printf ("%04X ",j);
for (i=j; i<j+16; i++) {
if( i<length )
printf ("%02X ", (unsigned char) buf[i]);
else
printf(" ");
}
for (i=j;i<(j+16<length?j+16:length);i++) {
c=buf[i];
if ((c>=32) && (c<127))
printf ("%c", c);
else
printf (".");
}
j=i;
printf("\n");
}
for(j=0; j<69; j++)
printf("-");
printf("\n");
}
static const lang_locale_t *_get_first_lang_locale(char *lcal) {
const lang_locale_t *llocale;
if(lcal && strlen(lcal)) {
llocale = &*lang_locales;
while(llocale->language) {
if(!strncmp(lcal, llocale->language, strlen(lcal)))
return llocale;
llocale++;
}
}
return NULL;
}
static char *_get_lang(void) {
char *lang;
if(!(lang = getenv("LC_ALL")))
if(!(lang = getenv("LC_MESSAGES")))
lang = getenv("LANG");
return lang;
}
/*
* get encoding of current locale
*/
char *xine_get_system_encoding(void) {
char *codeset = NULL;
#ifdef HAVE_LANGINFO_CODESET
codeset = nl_langinfo(CODESET);
#endif
/*
* guess locale codeset according to shell variables
* when nl_langinfo(CODESET) isn't available or workig
*/
if (!codeset || strstr(codeset, "ANSI") != 0) {
char *lang = _get_lang();
codeset = NULL;
if(lang) {
char *lg, *enc, *mod;
lg = strdup(lang);
if((enc = strchr(lg, '.')) && (strlen(enc) > 1)) {
enc++;
if((mod = strchr(enc, '@')))
*mod = '\0';
codeset = strdup(enc);
}
else {
const lang_locale_t *llocale = _get_first_lang_locale(lg);
if(llocale && llocale->encoding)
codeset = strdup(llocale->encoding);
}
free(lg);
}
} else
codeset = strdup(codeset);
return codeset;
}
/*
* guess default encoding of subtitles
*/
const char *xine_guess_spu_encoding(void) {
char *lang = _get_lang();
if (lang) {
const lang_locale_t *llocale;
char *lg, *enc;
lg = strdup(lang);
if ((enc = strchr(lg, '.'))) *enc = '\0';
llocale = _get_first_lang_locale(lg);
free(lg);
if (llocale && llocale->spu_encoding) return llocale->spu_encoding;
}
return "iso-8859-1";
}
#ifdef _MSC_VER
void xine_xprintf(xine_t *xine, int verbose, const char *fmt, ...) {
char message[256];
va_list ap;
if (xine && xine->verbosity >= verbose) {
va_start(ap, fmt);
vsnprintf(message, sizeof(message), fmt, ap);
va_end(ap);
xine_log(xine, XINE_LOG_TRACE, "%s", message);
}
}
#endif
int xine_monotonic_clock(struct timeval *tv, struct timezone *tz)
{
#if _POSIX_TIMERS > 0 && defined(_POSIX_MONOTONIC_CLOCK) && defined(HAVE_POSIX_TIMERS)
static int initialized = 0;
static int use_clock_monotonic = 0;
struct timespec tp;
if( !initialized ) {
struct timespec res;
int ret;
ret = clock_getres(CLOCK_MONOTONIC, &res);
if( ret != 0 ) {
lprintf("get resolution of monotonic clock failed\n");
} else {
/* require at least milisecond resolution */
if( res.tv_sec > 0 ||
res.tv_nsec > 1000000 ) {
lprintf("monotonic clock resolution (%d:%d) too bad\n",
(int)res.tv_sec, (int)res.tv_nsec);
} else {
if( clock_gettime(CLOCK_MONOTONIC, &tp) != 0 ) {
lprintf("get monotonic clock failed\n");
} else {
lprintf("using monotonic clock\n");
use_clock_monotonic = 1;
}
}
}
initialized = 1;
}
if(use_clock_monotonic && !clock_gettime(CLOCK_MONOTONIC, &tp)) {
tv->tv_sec = tp.tv_sec;
tv->tv_usec = tp.tv_nsec / 1000;
return 0;
} else {
return gettimeofday(tv, tz);
}
#else
return gettimeofday(tv, tz);
#endif
}
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