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protocol-native: small cleanups

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Style fixes.
Use new variable for fd to avoid casts.
Generate an error when  the fd is invalid.
This commit is contained in:
Wim Taymans 2022-08-17 19:56:52 +02:00
parent 0883a0163b
commit 0532d194ad
1 changed files with 15 additions and 12 deletions
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27
src/modules/module-protocol-native.c
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@ -765,35 +765,37 @@ socket_data(void *data, int fd, uint32_t mask)
}
}
static int write_socket_address(struct server *s) {
static int write_socket_address(struct server *s)
{
long v;
int res = 0;
int fd, res = 0;
char *endptr;
const char *env = getenv("PIPEWIRE_NOTIFICATION_FD");
if (env == NULL || env[0] == '\0') {
if (env == NULL || env[0] == '\0')
return 0;
}
errno = 0;
v = strtol(env, &endptr, 10);
if (endptr[0] != '\0') {
if (endptr[0] != '\0')
errno = EINVAL;
}
if (errno != 0) {
res = -errno;
pw_log_error("server %p: strtol() failed with error: %m", s);
goto error;
}
if (v != (int)v)
return 0;
if (dprintf((int)v, "%s\n", s->addr.sun_path) < 0) {
fd = (int)v;
if (v != fd) {
res = -ERANGE;
pw_log_error("server %p: invalid fd %ld: %s", s, v, spa_strerror(res));
goto error;
}
if (dprintf(fd, "%s\n", s->addr.sun_path) < 0) {
res = -errno;
pw_log_error("server %p: dprintf() failed with error: %m", s);
goto error;
}
close((int)v);
close(fd);
unsetenv("PIPEWIRE_NOTIFICATION_FD");
return 0;
@ -857,7 +859,8 @@ static int add_socket(struct pw_protocol *protocol, struct server *s)
res = write_socket_address(s);
if (res < 0) {
pw_log_error("server %p: failed to write socket address", s);
pw_log_error("server %p: failed to write socket address: %s", s,
spa_strerror(res));
goto error_close;
}
s->activated = activated;