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Attempt to load unversioned library for compatibility with older installations

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Games built against a new gamemode_client.h will fail to work with older
GameMode installations without this change. There are no ABI changes right
now so just attempt to load the old unversioned path if loading the
versioned one fails.
This commit is contained in:
Alex Smith 2018-07-23 10:19:12 +01:00
parent 2ae86fabd6
commit 7051051f19
1 changed files with 12 additions and 6 deletions
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18
lib/gamemode_client.h
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@ -154,12 +154,18 @@ __attribute__((always_inline)) static inline int internal_load_libgamemode(void)
/* Try and load libgamemode */ /* Try and load libgamemode */
libgamemode = dlopen("libgamemode.so.0", RTLD_NOW); libgamemode = dlopen("libgamemode.so.0", RTLD_NOW);
if (!libgamemode) { if (!libgamemode) {
snprintf(internal_gamemode_client_error_string, /* Attempt to load unversioned library for compatibility with older
sizeof(internal_gamemode_client_error_string), * versions (as of writing, there are no ABI changes between the two -
"dylopen failed - %s", * this may need to change if ever ABI-breaking changes are made) */
dlerror()); libgamemode = dlopen("libgamemode.so", RTLD_NOW);
internal_libgamemode_loaded = -1; if (!libgamemode) {
return -1; snprintf(internal_gamemode_client_error_string,
sizeof(internal_gamemode_client_error_string),
"dlopen failed - %s",
dlerror());
internal_libgamemode_loaded = -1;
return -1;
}
} }
/* Attempt to bind all symbols */ /* Attempt to bind all symbols */