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pulse-server: module-zeroconf-publish: handle uname() failure gracefully

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Only add the "uname=..." entry to the Avahi string list
if `uname()` succeeds.
This commit is contained in:
Barnabás Pőcze 2021-06-25 19:23:38 +02:00
parent 9994a763d6
commit 7cb7d8b15b
1 changed files with 6 additions and 4 deletions
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10
src/modules/module-protocol-pulse/modules/module-zeroconf-publish.c
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@ -315,18 +315,20 @@ static AvahiStringList* txt_record_server_data(struct pw_core_info *info, AvahiS
{ {
const char *t; const char *t;
struct utsname u; struct utsname u;
char sysname[sizeof(u.sysname) + sizeof(u.machine) + sizeof(u.release)];
spa_assert(info); spa_assert(info);
spa_assert(uname(&u) >= 0);
l = avahi_string_list_add_pair(l, "server-version", PACKAGE_NAME" "PACKAGE_VERSION); l = avahi_string_list_add_pair(l, "server-version", PACKAGE_NAME" "PACKAGE_VERSION);
t = pw_get_user_name(); t = pw_get_user_name();
l = avahi_string_list_add_pair(l, "user-name", t); l = avahi_string_list_add_pair(l, "user-name", t);
snprintf(sysname, sizeof(sysname), "%s %s %s", u.sysname, u.machine, u.release); if (uname(&u) >= 0) {
l = avahi_string_list_add_pair(l, "uname", sysname); char sysname[sizeof(u.sysname) + sizeof(u.machine) + sizeof(u.release)];
snprintf(sysname, sizeof(sysname), "%s %s %s", u.sysname, u.machine, u.release);
l = avahi_string_list_add_pair(l, "uname", sysname);
}
t = pw_get_host_name(); t = pw_get_host_name();
l = avahi_string_list_add_pair(l, "fqdn", t); l = avahi_string_list_add_pair(l, "fqdn", t);