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Fixed bug 5339 - Minor memory leak in SDL_x11events.c 

wcodelyokoyt

The atom name that X11_GetAtomName() returns never gets freed, which result in a minor memory leak (14 bytes?) every time the user drops a file on a window.
You can see the line in question here:
6b6170caf6/src/video/x11/SDL_x11events.c (L1350)

Fix: call XFree on name after the while loop.
Sam Lantinga 2020-11-08 23:40:17 -08:00
parent 723d76c8ec
commit 1ef45c1801
1 changed files with 14 additions and 11 deletions
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25
src/video/x11/SDL_x11events.c
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@ -1378,19 +1378,22 @@ X11_DispatchEvent(_THIS)
X11_ReadProperty(&p, display, data->xwindow, videodata->PRIMARY);
if (p.format == 8) {
char* saveptr = NULL;
char* name = X11_XGetAtomName(display, target);
char *token = SDL_strtokr((char *) p.data, "\r\n", &saveptr);
while (token != NULL) {
if (SDL_strcmp("text/plain", name)==0) {
SDL_SendDropText(data->window, token);
} else if (SDL_strcmp("text/uri-list", name)==0) {
char *fn = X11_URIToLocal(token);
if (fn) {
SDL_SendDropFile(data->window, fn);
char *saveptr = NULL;
char *name = X11_XGetAtomName(display, target);
if (name) {
char *token = SDL_strtokr((char *) p.data, "\r\n", &saveptr);
while (token != NULL) {
if (SDL_strcmp("text/plain", name) == 0) {
SDL_SendDropText(data->window, token);
} else if (SDL_strcmp("text/uri-list", name) == 0) {
char *fn = X11_URIToLocal(token);
if (fn) {
SDL_SendDropFile(data->window, fn);
}
}
token = SDL_strtokr(NULL, "\r\n", &saveptr);
}
token = SDL_strtokr(NULL, "\r\n", &saveptr);
X11_XFree(name);
}
SDL_SendDropComplete(data->window);
}