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Prevent pushing nullptr into queues

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This commit is contained in:
Allen Hill
2026-05-15 23:18:58 +00:00
parent d09aa684f8
commit 57d0513d04
1 changed files with 4 additions and 5 deletions
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src/queue.c
+4 -5
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@@ -1,4 +1,3 @@
#include <stddef.h>
#include <stdint.h>
#include "avclandrv.h"
@@ -22,7 +21,7 @@ void constructQueue(Queue_t *q, void **slots, void *items, uint8_t itemSize,
}
void constructEmptyQueue(Queue_t *q, void **slots, uint8_t len) {
constructQueue(q, slots, NULL, 0, len, 0);
constructQueue(q, slots, nullptr, 0, len, 0);
}
uint8_t isEmpty(const Queue_t *q) { return (q->write == q->read); }
@@ -36,7 +35,7 @@ static inline uint8_t qMask(const Queue_t *q, uint8_t pos) {
}
uint8_t pushQueue(Queue_t *q, void *x) {
if (isFull(q))
if (x == nullptr || isFull(q))
return 1;
q->buf[qMask(q, q->write++)] = x;
@@ -46,14 +45,14 @@ uint8_t pushQueue(Queue_t *q, void *x) {
void *peekQueue(const Queue_t *q) {
if (isEmpty(q))
return NULL;
return nullptr;
return q->buf[qMask(q, q->read)];
}
void *popQueue(Queue_t *q) {
if (isEmpty(q))
return NULL;
return nullptr;
return q->buf[qMask(q, q->read++)];
}