oysteikt/mpd
0
0
Fork 0
Code Issues Pull Requests Releases Activity

lib/upnp/Discovery: use string_view::starts_with() instead of strncmp()

Browse Source
This commit is contained in:
Max Kellermann 2024-01-04 12:53:57 +01:00
parent afa77099cf
commit 8d1b73ae89
1 changed files with 14 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/lib/upnp/Discovery.cxx
View File

@ -14,7 +14,6 @@
#include <upnptools.h>
#include <stdlib.h>
#include <string.h>
UPnPDeviceDirectory::Downloader::Downloader(UPnPDeviceDirectory &_parent,
const UpnpDiscovery &disco)
@ -86,10 +85,12 @@ static constexpr char ContentDirectorySType[] = "urn:schemas-upnp-org:service:Co
// version 1
[[gnu::pure]]
static bool
isCDService(const char *st) noexcept
isCDService(std::string_view st) noexcept
{
constexpr size_t sz = sizeof(ContentDirectorySType) - 3;
return strncmp(ContentDirectorySType, st, sz) == 0;
std::string_view prefix = ContentDirectorySType;
prefix.remove_suffix(2);
return st.starts_with(prefix);
}
// The type of device we're asking for in search
@ -97,17 +98,19 @@ static constexpr char MediaServerDType[] = "urn:schemas-upnp-org:device:MediaSer
[[gnu::pure]]
static bool
isMSDevice(const char *st) noexcept
isMSDevice(std::string_view st) noexcept
{
constexpr size_t sz = sizeof(MediaServerDType) - 3;
return strncmp(MediaServerDType, st, sz) == 0;
std::string_view prefix = MediaServerDType;
prefix.remove_suffix(2);
return st.starts_with(prefix);
}
static void
AnnounceFoundUPnP(UPnPDiscoveryListener &listener, const UPnPDevice &device)
{
for (const auto &service : device.services)
if (isCDService(service.serviceType.c_str()))
if (isCDService(service.serviceType))
listener.FoundUPnP(ContentDirectoryService(device,
service));
}
@ -116,7 +119,7 @@ static void
AnnounceLostUPnP(UPnPDiscoveryListener &listener, const UPnPDevice &device)
{
for (const auto &service : device.services)
if (isCDService(service.serviceType.c_str()))
if (isCDService(service.serviceType))
listener.LostUPnP(ContentDirectoryService(device,
service));
}
@ -298,7 +301,7 @@ UPnPDeviceDirectory::GetDirectories()
std::vector<ContentDirectoryService> out;
for (const auto &descriptor : directories) {
for (const auto &service : descriptor.device.services) {
if (isCDService(service.serviceType.c_str())) {
if (isCDService(service.serviceType)) {
out.emplace_back(descriptor.device, service);
}
}
@ -321,7 +324,7 @@ UPnPDeviceDirectory::GetServer(std::string_view friendly_name)
continue;
for (const auto &service : device.services)
if (isCDService(service.serviceType.c_str()))
if (isCDService(service.serviceType))
return {device, service};
}