Replace variable length array member with pointer.

src/pio_posixasynch.c

@@ -29,6 +29,7 @@
 
 struct fileFunnelAIO
 {
+  char *name;
   struct dBuffer *fb;
   struct aiocb *ctrlBlks;
   off_t offset;
@@ -36,7 +37,6 @@ struct fileFunnelAIO
   unsigned numQueuedWrites;
   int activeCollectors;
   int handle, fileID;
-  char name[];
 };
 
 static int
@@ -56,8 +56,12 @@ initBFiledataPA(char *filename, struct cdiPioConf *conf, int nc)
   size_t aioQueueDepth = conf->aioQueueDepth;
   xdebug("filename=%s, buffersize=%zu, ncollectors=%d, AIO queue depth=%zu", filename, bufSize, nc, aioQueueDepth);
 
-  bfd = (struct fileFunnelAIO *) Malloc(sizeof(*bfd) + strlen(filename) + 1);
-  strcpy(bfd->name, filename);
+  bfd = (struct fileFunnelAIO *) Malloc(sizeof(*bfd));
+  {
+    size_t filenameSize = strlen(filename) + 1;
+    char *name = bfd->name = Malloc(filenameSize);
+    strcpy(name, filename);
+  }
 
   if ((bfd->handle = open(bfd->name, O_CREAT | O_WRONLY, 0666)) == -1) xabort("Failed to open %s", bfd->name);
 
@@ -126,7 +130,8 @@ destroyBFiledataPA(void *v)
   /* file closed, cleanup */
 
   dbuffer_cleanup(&(bfd->fb));
-
+  Free(bfd->name);
+  bfd->name = NULL;
   Free(bfd->ctrlBlks);
   Free(bfd);