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Fixed a crashbug when calling PHYSFS_deinit() twice in a row.

This commit is contained in:
Ryan C. Gordon 2002-06-08 08:50:00 +00:00
parent 79800373fa
commit 943904cdd9
1 changed files with 12 additions and 5 deletions
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17
physfs.c
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@ -111,7 +111,7 @@ static ErrMsg *findErrorForCurrentThread(void)
ErrMsg *i;
PHYSFS_uint64 tid;
if (initialized)
if (errorLock != NULL)
__PHYSFS_platformGrabMutex(errorLock);
if (errorMessages != NULL)
@ -122,13 +122,14 @@ static ErrMsg *findErrorForCurrentThread(void)
{
if (i->tid == tid)
{
__PHYSFS_platformReleaseMutex(errorLock);
if (errorLock != NULL)
__PHYSFS_platformReleaseMutex(errorLock);
return(i);
} /* if */
} /* for */
} /* if */
if (initialized)
if (errorLock != NULL)
__PHYSFS_platformReleaseMutex(errorLock);
return(NULL); /* no error available. */
@ -153,10 +154,14 @@ void __PHYSFS_setError(const char *str)
memset((void *) err, '\0', sizeof (ErrMsg));
err->tid = __PHYSFS_platformGetThreadID();
__PHYSFS_platformGrabMutex(errorLock);
if (errorLock != NULL)
__PHYSFS_platformGrabMutex(errorLock);
err->next = errorMessages;
errorMessages = err;
__PHYSFS_platformReleaseMutex(errorLock);
if (errorLock != NULL)
__PHYSFS_platformReleaseMutex(errorLock);
} /* if */
err->errorAvailable = 1;
@ -188,6 +193,8 @@ static void freeErrorMessages(void)
next = i->next;
free(i);
} /* for */
errorMessages = NULL;
} /* freeErrorMessages */