4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
35 #include <sys/types.h>
43 void pa_make_nonblock_fd(int fd) {
46 if ((v = fcntl(fd, F_GETFL)) >= 0)
47 if (!(v & O_NONBLOCK))
48 fcntl(fd, F_SETFL, v|O_NONBLOCK);
51 int pa_make_secure_dir(const char* dir) {
54 if (mkdir(dir, 0700) < 0)
58 if (lstat(dir, &st) < 0)
61 if (!S_ISDIR(st.st_mode) || (st.st_uid != getuid()) || ((st.st_mode & 0777) != 0700))
71 ssize_t pa_loop_read(int fd, void*data, size_t size) {
73 assert(fd >= 0 && data && size);
78 if ((r = read(fd, data, size)) < 0)
92 ssize_t pa_loop_write(int fd, const void*data, size_t size) {
94 assert(fd >= 0 && data && size);
99 if ((r = write(fd, data, size)) < 0)
113 void pa_check_for_sigpipe(void) {
117 if (pthread_sigmask(SIG_SETMASK, NULL, &set) < 0) {
118 if (sigprocmask(SIG_SETMASK, NULL, &set) < 0) {
119 fprintf(stderr, __FILE__": sigprocmask() failed: %s\n", strerror(errno));
124 if (sigismember(&set, SIGPIPE))
127 if (sigaction(SIGPIPE, NULL, &sa) < 0) {
128 fprintf(stderr, __FILE__": sigaction() failed: %s\n", strerror(errno));
132 if (sa.sa_handler != SIG_DFL)
135 fprintf(stderr, "polypaudio: WARNING: SIGPIPE is not trapped. This might cause malfunction!\n");
138 /* The following is based on an example from the GNU libc documentation */
139 char *pa_sprintf_malloc(const char *format, ...) {
149 c = pa_xrealloc(c, size);
151 va_start(ap, format);
152 r = vsnprintf(c, size, format, ap);
155 if (r > -1 && r < size)
158 if (r > -1) /* glibc 2.1 */
165 char *pa_get_user_name(char *s, size_t l) {
166 struct passwd pw, *r;
170 if (!(p = getenv("USER")))
171 if (!(p = getenv("LOGNAME")))
172 if (!(p = getenv("USERNAME"))) {
174 if (getpwuid_r(getuid(), &pw, buf, sizeof(buf), &r) != 0 || !r) {
175 snprintf(s, l, "%lu", (unsigned long) getuid());
182 snprintf(s, l, "%s", p);
186 char *pa_get_host_name(char *s, size_t l) {