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/* $Id$ */
/***
This file is part of polypaudio.
polypaudio 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 of the License,
or (at your option) any later version.
polypaudio 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 Lesser General Public License
along with polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_PTHREAD
#include <pthread.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#include <polyp/utf8.h>
#include <polyp/xmalloc.h>
#include <polypcore/core-util.h>
#include <polypcore/native-common.h>
#include "error.h"
static const char* const errortab[PA_ERR_MAX] = {
[PA_OK] = "OK",
[PA_ERR_ACCESS] = "Access denied",
[PA_ERR_COMMAND] = "Unknown command",
[PA_ERR_INVALID] = "Invalid argument",
[PA_ERR_EXIST] = "Entity exists",
[PA_ERR_NOENTITY] = "No such entity",
[PA_ERR_CONNECTIONREFUSED] = "Connection refused",
[PA_ERR_PROTOCOL] = "Protocol error",
[PA_ERR_TIMEOUT] = "Timeout",
[PA_ERR_AUTHKEY] = "No authorization key",
[PA_ERR_INTERNAL] = "Internal error",
[PA_ERR_CONNECTIONTERMINATED] = "Connection terminated",
[PA_ERR_KILLED] = "Entity killed",
[PA_ERR_INVALIDSERVER] = "Invalid server",
[PA_ERR_MODINITFAILED] = "Module initalization failed",
[PA_ERR_BADSTATE] = "Bad state",
[PA_ERR_NODATA] = "No data",
[PA_ERR_VERSION] = "Incompatible protocol version",
[PA_ERR_TOOLARGE] = "Too large"
};
const char*pa_strerror(int error) {
if (error < 0 || error >= PA_ERR_MAX)
return NULL;
return errortab[error];
}
#ifdef HAVE_PTHREAD
static pthread_once_t cstrerror_once = PTHREAD_ONCE_INIT;
static pthread_key_t tlsstr_key;
static void inittls(void) {
int ret;
ret = pthread_key_create(&tlsstr_key, pa_xfree);
if (ret) {
fprintf(stderr, __FILE__ ": CRITICAL: Unable to allocate TLS key (%d)\n", errno);
exit(-1);
}
}
#elif HAVE_WINDOWS_H
static __declspec(thread) char *tlsstr;
#else
/* Unsafe, but we have no choice */
static char *tlsstr;
#endif
char* pa_cstrerror(int errnum) {
const char *origbuf;
#ifdef HAVE_STRERROR_R
char errbuf[128];
#endif
#ifdef HAVE_PTHREAD
char *tlsstr;
pthread_once(&cstrerror_once, inittls);
tlsstr = pthread_getspecific(tlsstr_key);
#endif
if (tlsstr)
pa_xfree(tlsstr);
#ifdef HAVE_STRERROR_R
#ifdef __GLIBC__
origbuf = strerror_r(errnum, errbuf, sizeof(errbuf));
if (origbuf == NULL)
origbuf = "";
#else
if (strerror_r(errnum, errbuf, sizeof(errbuf)) == 0) {
origbuf = errbuf;
errbuf[sizeof(errbuf) - 1] = '\0';
} else
origbuf = "";
#endif
#else
/* This might not be thread safe, but we hope for the best */
origbuf = strerror(errnum);
#endif
tlsstr = pa_locale_to_utf8(origbuf);
if (!tlsstr) {
fprintf(stderr, "Unable to convert, filtering\n");
tlsstr = pa_utf8_filter(origbuf);
}
#ifdef HAVE_PTHREAD
pthread_setspecific(tlsstr_key, tlsstr);
#endif
return tlsstr;
}
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