#include "buffers.h"
#include "strutil.h"
#include "log.h"

void processQueue(ByteQueue* queue, bool (*callback)(uint8_t*)) {
    uint8_t snapshot[QUEUE_MAX_LENGTH(uint8_t)];
    queue_snapshot(queue, snapshot);
    if(callback == NULL) {
        debug("Callback is NULL (%p) -- unable to handle queue at %p\r\n",
                callback, queue);
        return;
    }

    if(callback(snapshot)) {
        queue_init(queue);
    } else if(queue_full(queue)) {
        debug("Incoming write is too long\r\n");
        queue_init(queue);
    } else if(strnchr((char*)snapshot, queue_length(queue), '\0') != NULL) {
        debug("Incoming buffered write corrupted -- clearing buffer\r\n");
        queue_init(queue);
    }
}

#include "buffers.h"
#include "strutil.h"
#include "log.h"

void processQueue(ByteQueue* queue, bool (*callback)(uint8_t*)) {
    uint8_t snapshot[QUEUE_MAX_LENGTH(uint8_t)];
    queue_snapshot(queue, snapshot);
    if(callback == NULL) {
        debug("Callback is NULL (%p) -- unable to handle queue at %p\r\n",
                callback, queue);
        return;
    }

    if(callback(snapshot)) {
        queue_init(queue);
    } else if(queue_full(queue)) {
        debug("Incoming write is too long");
        queue_init(queue);
    } else if(strnchr((char*)snapshot, queue_length(queue), '\0') != NULL) {
        debug("Incoming buffered write corrupted -- clearing buffer");
        queue_init(queue);
    }
}

--- 
+++ 
@@ -14,10 +14,10 @@
     if(callback(snapshot)) {
         queue_init(queue);
     } else if(queue_full(queue)) {
-        debug("Incoming write is too long");
+        debug("Incoming write is too long\r\n");
         queue_init(queue);
     } else if(strnchr((char*)snapshot, queue_length(queue), '\0') != NULL) {
-        debug("Incoming buffered write corrupted -- clearing buffer");
+        debug("Incoming buffered write corrupted -- clearing buffer\r\n");
         queue_init(queue);
     }
 }
Put newlines after more debug messages.
