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-rw-r--r--src/pulse/util.c208
1 files changed, 130 insertions, 78 deletions
diff --git a/src/pulse/util.c b/src/pulse/util.c
index b041fec8..6656bc3f 100644
--- a/src/pulse/util.c
+++ b/src/pulse/util.c
@@ -1,18 +1,19 @@
-/* $Id$ */
-
/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
PulseAudio 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.
-
+
PulseAudio 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 PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
@@ -23,7 +24,6 @@
#include <config.h>
#endif
-#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
@@ -37,10 +37,6 @@
#include <pwd.h>
#endif
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
@@ -53,81 +49,96 @@
#include <sys/prctl.h>
#endif
-#include "../pulsecore/winsock.h"
+#ifdef OS_IS_DARWIN
+#include <libgen.h>
+#include <sys/sysctl.h>
+#endif
+
+#include <pulse/xmalloc.h>
+#include <pulse/timeval.h>
-#include <pulsecore/core-error.h>
-#include <pulsecore/log.h>
+#include <pulsecore/socket.h>
#include <pulsecore/core-util.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/usergroup.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;
+ const char *p;
+ char *name = NULL;
+#ifdef OS_IS_WIN32
char buf[1024];
+#endif
#ifdef HAVE_PWD_H
- struct passwd pw, *r;
+ struct passwd *r;
#endif
- assert(s && l > 0);
+ pa_assert(s);
+ pa_assert(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) {
+ p = NULL;
+#ifdef HAVE_GETUID
+ p = getuid() == 0 ? "root" : NULL;
#endif
- snprintf(s, l, "%lu", (unsigned long) getuid());
+ if (!p) p = getenv("USER");
+ if (!p) p = getenv("LOGNAME");
+ if (!p) p = getenv("USERNAME");
+
+ if (p) {
+ name = pa_strlcpy(s, p, l);
+ } else {
+#ifdef HAVE_PWD_H
+
+ if ((r = pa_getpwuid_malloc(getuid())) == NULL) {
+ pa_snprintf(s, l, "%lu", (unsigned long) getuid());
return s;
}
-
- p = r->pw_name;
+
+ name = pa_strlcpy(s, r->pw_name, l);
+ pa_getpwuid_free(r);
#elif defined(OS_IS_WIN32) /* HAVE_PWD_H */
DWORD size = sizeof(buf);
- if (!GetUserName(buf, &size))
+ if (!GetUserName(buf, &size)) {
+ errno = ENOENT;
return NULL;
+ }
- p = buf;
+ name = pa_strlcpy(s, buf, l);
#else /* HAVE_PWD_H */
+
return NULL;
#endif /* HAVE_PWD_H */
}
- return pa_strlcpy(s, p, l);
+ return name;
}
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));
+
+ pa_assert(s);
+ pa_assert(l > 0);
+
+ if (gethostname(s, l) < 0)
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;
+ char *dir;
+ struct passwd *r;
#endif
- assert(s && l);
+ pa_assert(s);
+ pa_assert(l > 0);
if ((e = getenv("HOME")))
return pa_strlcpy(s, e, l);
@@ -136,52 +147,65 @@ char *pa_get_home_dir(char *s, size_t l) {
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
+ errno = 0;
+ if ((r = pa_getpwuid_malloc(getuid())) == NULL) {
+ if (!errno)
+ errno = ENOENT;
+
return NULL;
}
- return pa_strlcpy(s, r->pw_dir, l);
+ dir = pa_strlcpy(s, r->pw_dir, l);
+
+ pa_getpwuid_free(r);
+
+ return dir;
#else /* HAVE_PWD_H */
+
+ errno = ENOENT;
return NULL;
#endif
}
char *pa_get_binary_name(char *s, size_t l) {
- assert(s);
- assert(l);
+ pa_assert(s);
+ pa_assert(l > 0);
#if defined(OS_IS_WIN32)
{
char path[PATH_MAX];
-
+
if (GetModuleFileName(NULL, path, PATH_MAX))
return pa_strlcpy(s, pa_path_get_filename(path), l);
}
#endif
-
-#ifdef HAVE_READLINK
+
+#ifdef __linux__
{
- int i;
- char path[PATH_MAX];
+ char *rp;
/* This works on Linux only */
-
- if ((i = readlink("/proc/self/exe", path, sizeof(path)-1)) >= 0) {
- path[i] = 0;
- return pa_strlcpy(s, pa_path_get_filename(path), l);
+
+ if ((rp = pa_readlink("/proc/self/exe"))) {
+ pa_strlcpy(s, pa_path_get_filename(rp), l);
+ pa_xfree(rp);
+ return s;
+ }
+ }
+#endif
+
+#ifdef __FreeBSD__
+ {
+ char *rp;
+
+ if ((rp = pa_readlink("/proc/curproc/file"))) {
+ pa_strlcpy(s, pa_path_get_filename(rp), l);
+ pa_xfree(rp);
+ return s;
}
}
-
#endif
-
+
#if defined(HAVE_SYS_PRCTL_H) && defined(PR_GET_NAME)
{
@@ -192,32 +216,60 @@ char *pa_get_binary_name(char *s, size_t l) {
char tcomm[TASK_COMM_LEN+1];
memset(tcomm, 0, sizeof(tcomm));
-
+
/* This works on Linux only */
if (prctl(PR_GET_NAME, (unsigned long) tcomm, 0, 0, 0) == 0)
return pa_strlcpy(s, tcomm, l);
-
+
}
#endif
-
+
+#ifdef OS_IS_DARWIN
+ {
+ int mib[] = { CTL_KERN, KERN_PROCARGS, getpid(), 0 };
+ size_t len, nmib = (sizeof(mib) / sizeof(mib[0])) - 1;
+ char *buf;
+
+ sysctl(mib, nmib, NULL, &len, NULL, 0);
+ buf = (char *) pa_xmalloc(len);
+
+ if (sysctl(mib, nmib, buf, &len, NULL, 0) == 0) {
+ pa_strlcpy(s, basename(buf), l);
+ pa_xfree(buf);
+ return s;
+ }
+
+ pa_xfree(buf);
+
+ /* fall thru */
+ }
+#endif /* OS_IS_DARWIN */
+
+ errno = ENOENT;
return NULL;
}
-const char *pa_path_get_filename(const char *p) {
+char *pa_path_get_filename(const char *p) {
char *fn;
- if ((fn = strrchr(p, PATH_SEP)))
+ if (!p)
+ return NULL;
+
+ if ((fn = strrchr(p, PA_PATH_SEP_CHAR)))
return fn+1;
- return (const char*) p;
+ return (char*) p;
}
char *pa_get_fqdn(char *s, size_t l) {
char hn[256];
-#ifdef HAVE_GETADDRINFO
+#ifdef HAVE_GETADDRINFO
struct addrinfo *a, hints;
#endif
+ pa_assert(s);
+ pa_assert(l > 0);
+
if (!pa_get_host_name(hn, sizeof(hn)))
return NULL;
@@ -225,7 +277,7 @@ char *pa_get_fqdn(char *s, size_t l) {
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);
@@ -244,8 +296,8 @@ int pa_msleep(unsigned long t) {
#elif defined(HAVE_NANOSLEEP)
struct timespec ts;
- ts.tv_sec = t/1000;
- ts.tv_nsec = (t % 1000) * 1000000;
+ ts.tv_sec = (time_t) (t / PA_MSEC_PER_SEC);
+ ts.tv_nsec = (long) ((t % PA_MSEC_PER_SEC) * PA_NSEC_PER_MSEC);
return nanosleep(&ts, NULL);
#else
generated by cgit (git 2.34.1) at 2026-01-17 05:46:41 +0000