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>
39 void pa_make_nonblock_fd(int fd) {
42 if ((v = fcntl(fd, F_GETFL)) >= 0)
43 if (!(v & O_NONBLOCK))
44 fcntl(fd, F_SETFL, v|O_NONBLOCK);
47 int pa_make_secure_dir(const char* dir) {
50 if (mkdir(dir, 0700) < 0)
54 if (lstat(dir, &st) < 0)
57 if (!S_ISDIR(st.st_mode) || (st.st_uid != getuid()) || ((st.st_mode & 0777) != 0700))
67 ssize_t pa_loop_read(int fd, void*data, size_t size) {
69 assert(fd >= 0 && data && size);
74 if ((r = read(fd, data, size)) < 0)
88 ssize_t pa_loop_write(int fd, const void*data, size_t size) {
90 assert(fd >= 0 && data && size);
95 if ((r = write(fd, data, size)) < 0)
109 void pa_check_for_sigpipe(void) {
112 if (sigaction(SIGPIPE, NULL, &sa) < 0) {
113 fprintf(stderr, __FILE__": sigaction() failed: %s\n", strerror(errno));
117 if (sa.sa_handler == SIG_DFL)
118 fprintf(stderr, "polypaudio: WARNING: SIGPIPE is not trapped. This might cause malfunction!\n");
121 /* The following is based on an example from the GNU libc documentation */
122 char *pa_sprintf_malloc(const char *format, ...) {
132 c = realloc(c, size);
135 va_start(ap, format);
136 r = vsnprintf(c, size, format, ap);
139 if (r > -1 && r < size)
142 if (r > -1) /* glibc 2.1 */