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shmpipe: Ensure string received from recv() is NULL-terminated

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We will be doing string operations on it later.

CID #1292830
This commit is contained in:
Edward Hervey 2015-04-20 14:20:05 +02:00 committed by Edward Hervey
parent fa4822a41b
commit af49c109e4
1 changed files with 3 additions and 1 deletions
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4
sys/shm/shmpipe.c
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@ -669,13 +669,15 @@ sp_client_recv (ShmPipe * self, char **buf)
assert (cb.payload.new_shm_area.path_size > 0);
assert (cb.payload.new_shm_area.size > 0);
area_name = malloc (cb.payload.new_shm_area.path_size);
area_name = malloc (cb.payload.new_shm_area.path_size + 1);
retval = recv (self->main_socket, area_name,
cb.payload.new_shm_area.path_size, 0);
if (retval != cb.payload.new_shm_area.path_size) {
free (area_name);
return -3;
}
/* Ensure area_name is NULL terminated */
area_name[retval] = 0;
newarea = sp_open_shm (area_name, cb.area_id, 0,
cb.payload.new_shm_area.size);