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Fixed crash if SDL_GetThreadName() is passed a NULL thread.

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This commit is contained in:
Sam Lantinga 2013-08-08 12:21:26 -07:00
parent b47f785f57
commit 9f90ffbc9f
1 changed files with 17 additions and 5 deletions
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22
src/thread/SDL_thread.c
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@ -319,7 +319,9 @@ SDL_CreateThread(int (SDLCALL * fn) (void *),
args = (thread_args *) SDL_malloc(sizeof(*args));
if (args == NULL) {
SDL_OutOfMemory();
SDL_free(thread->name);
if (thread->name) {
SDL_free(thread->name);
}
SDL_free(thread);
return (NULL);
}
@ -328,7 +330,9 @@ SDL_CreateThread(int (SDLCALL * fn) (void *),
args->info = thread;
args->wait = SDL_CreateSemaphore(0);
if (args->wait == NULL) {
SDL_free(thread->name);
if (thread->name) {
SDL_free(thread->name);
}
SDL_free(thread);
SDL_free(args);
return (NULL);
@ -345,7 +349,9 @@ SDL_CreateThread(int (SDLCALL * fn) (void *),
SDL_SemWait(args->wait);
} else {
/* Oops, failed. Gotta free everything */
SDL_free(thread->name);
if (thread->name) {
SDL_free(thread->name);
}
SDL_free(thread);
thread = NULL;
}
@ -372,7 +378,11 @@ SDL_GetThreadID(SDL_Thread * thread)
const char *
SDL_GetThreadName(SDL_Thread * thread)
{
return thread->name;
if (thread) {
return thread->name;
} else {
return NULL;
}
}
int
@ -389,7 +399,9 @@ SDL_WaitThread(SDL_Thread * thread, int *status)
if (status) {
*status = thread->status;
}
SDL_free(thread->name);
if (thread->name) {
SDL_free(thread->name);
}
SDL_free(thread);
}
}