db/upnp/Discovery: eliminate two strlen() calls

This commit is contained in:
Max Kellermann 2014-01-22 21:47:34 +01:00
parent 0defd927f3
commit a0bee9fa0a

View File

@ -30,7 +30,7 @@
#include <string.h>
// The service type string we are looking for.
static const char *const ContentDirectorySType = "urn:schemas-upnp-org:service:ContentDirectory:1";
static constexpr char ContentDirectorySType[] = "urn:schemas-upnp-org:service:ContentDirectory:1";
// We don't include a version in comparisons, as we are satisfied with
// version 1
@ -38,18 +38,18 @@ gcc_pure
static bool
isCDService(const char *st)
{
const size_t sz = strlen(ContentDirectorySType) - 2;
constexpr size_t sz = sizeof(ContentDirectorySType) - 3;
return memcmp(ContentDirectorySType, st, sz) == 0;
}
// The type of device we're asking for in search
static const char *const MediaServerDType = "urn:schemas-upnp-org:device:MediaServer:1";
static constexpr char MediaServerDType[] = "urn:schemas-upnp-org:device:MediaServer:1";
gcc_pure
static bool
isMSDevice(const char *st)
{
const size_t sz = strlen(MediaServerDType) - 2;
constexpr size_t sz = sizeof(MediaServerDType) - 3;
return memcmp(MediaServerDType, st, sz) == 0;
}