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common/loop: check return of realloc

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Antonin Décimo 2020-06-15 15:46:58 +02:00 committed by Tudor Brindus
parent bbf7b92fe4
commit 5c67d99794
1 changed files with 9 additions and 3 deletions
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12
common/loop.c
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@ -117,9 +117,15 @@ void loop_add_fd(struct loop *loop, int fd, short mask,
struct pollfd pfd = {fd, mask, 0}; struct pollfd pfd = {fd, mask, 0};
if (loop->fd_length == loop->fd_capacity) { if (loop->fd_length == loop->fd_capacity) {
loop->fd_capacity += 10; int capacity = loop->fd_capacity + 10;
loop->fds = realloc(loop->fds, struct pollfd *tmp = realloc(loop->fds,
sizeof(struct pollfd) * loop->fd_capacity); sizeof(struct pollfd) * capacity);
if (!tmp) {
sway_log(SWAY_ERROR, "Unable to allocate memory for pollfd");
return;
}
loop->fds = tmp;
loop->fd_capacity = capacity;
} }
loop->fds[loop->fd_length++] = pfd; loop->fds[loop->fd_length++] = pfd;