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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-06-19 21:53:48 +00:00
parent dd21f11ded
commit f44ba09265
303 changed files with 2724 additions and 2719 deletions
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227
src/polyp/util.c
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@ -1,227 +0,0 @@
/* $Id$ */
/***
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 2.1 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
Lesser 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 <assert.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#include "../polypcore/winsock.h"
#include <polypcore/core-error.h>
#include <polypcore/log.h>
#include <polypcore/core-util.h>
#include "util.h"
#ifndef OS_IS_WIN32
#define PATH_SEP '/'
#else
#define PATH_SEP '\\'
#endif
char *pa_get_user_name(char *s, size_t l) {
char *p;
char buf[1024];
#ifdef HAVE_PWD_H
struct passwd pw, *r;
#endif
assert(s && l > 0);
if (!(p = getenv("USER")) && !(p = getenv("LOGNAME")) && !(p = getenv("USERNAME"))) {
#ifdef HAVE_PWD_H
#ifdef HAVE_GETPWUID_R
if (getpwuid_r(getuid(), &pw, buf, sizeof(buf), &r) != 0 || !r) {
#else
/* XXX Not thread-safe, but needed on OSes (e.g. FreeBSD 4.X)
* that do not support getpwuid_r. */
if ((r = getpwuid(getuid())) == NULL) {
#endif
snprintf(s, l, "%lu", (unsigned long) getuid());
return s;
}
p = r->pw_name;
#elif defined(OS_IS_WIN32) /* HAVE_PWD_H */
DWORD size = sizeof(buf);
if (!GetUserName(buf, &size))
return NULL;
p = buf;
#else /* HAVE_PWD_H */
return NULL;
#endif /* HAVE_PWD_H */
}
return pa_strlcpy(s, p, l);
}
char *pa_get_host_name(char *s, size_t l) {
assert(s && l > 0);
if (gethostname(s, l) < 0) {
pa_log(__FILE__": gethostname(): %s", pa_cstrerror(errno));
return NULL;
}
s[l-1] = 0;
return s;
}
char *pa_get_home_dir(char *s, size_t l) {
char *e;
#ifdef HAVE_PWD_H
char buf[1024];
struct passwd pw, *r;
#endif
assert(s && l);
if ((e = getenv("HOME")))
return pa_strlcpy(s, e, l);
if ((e = getenv("USERPROFILE")))
return pa_strlcpy(s, e, l);
#ifdef HAVE_PWD_H
#ifdef HAVE_GETPWUID_R
if (getpwuid_r(getuid(), &pw, buf, sizeof(buf), &r) != 0 || !r) {
pa_log(__FILE__": getpwuid_r() failed");
#else
/* XXX Not thread-safe, but needed on OSes (e.g. FreeBSD 4.X)
* that do not support getpwuid_r. */
if ((r = getpwuid(getuid())) == NULL) {
pa_log(__FILE__": getpwuid_r() failed");
#endif
return NULL;
}
return pa_strlcpy(s, r->pw_dir, l);
#else /* HAVE_PWD_H */
return NULL;
#endif
}
char *pa_get_binary_name(char *s, size_t l) {
#ifdef HAVE_READLINK
char path[PATH_MAX];
int i;
assert(s && l);
/* This works on Linux only */
snprintf(path, sizeof(path), "/proc/%u/exe", (unsigned) getpid());
if ((i = readlink(path, s, l-1)) < 0)
return NULL;
s[i] = 0;
return s;
#elif defined(OS_IS_WIN32)
char path[PATH_MAX];
if (!GetModuleFileName(NULL, path, PATH_MAX))
return NULL;
pa_strlcpy(s, pa_path_get_filename(path), l);
return s;
#else
return NULL;
#endif
}
const char *pa_path_get_filename(const char *p) {
char *fn;
if ((fn = strrchr(p, PATH_SEP)))
return fn+1;
return (const char*) p;
}
char *pa_get_fqdn(char *s, size_t l) {
char hn[256];
#ifdef HAVE_GETADDRINFO
struct addrinfo *a, hints;
#endif
if (!pa_get_host_name(hn, sizeof(hn)))
return NULL;
#ifdef HAVE_GETADDRINFO
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_flags = AI_CANONNAME;
if (getaddrinfo(hn, NULL, &hints, &a) < 0 || !a || !a->ai_canonname || !*a->ai_canonname)
return pa_strlcpy(s, hn, l);
pa_strlcpy(s, a->ai_canonname, l);
freeaddrinfo(a);
return s;
#else
return pa_strlcpy(s, hn, l);
#endif
}
int pa_msleep(unsigned long t) {
#ifdef OS_IS_WIN32
Sleep(t);
return 0;
#elif defined(HAVE_NANOSLEEP)
struct timespec ts;
ts.tv_sec = t/1000;
ts.tv_nsec = (t % 1000) * 1000000;
return nanosleep(&ts, NULL);
#else
#error "Platform lacks a sleep function."
#endif
}