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make sure limit match up with the multiple of 4 bytes alignment

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iceman1001 2023-12-14 00:30:15 +01:00
parent a2327cfe20
commit 17ab86c52c
1 changed files with 2 additions and 2 deletions
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4
armsrc/BigBuf.c
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@ -129,7 +129,7 @@ void BigBuf_Clear_keep_EM(void) {
// allocate a chunk of memory from BigBuf. We allocate high memory first. The unallocated memory
// at the beginning of BigBuf is always for traces/samples
uint8_t *BigBuf_malloc(uint16_t chunksize) {
if (s_bigbuf_hi < chunksize)
if (s_bigbuf_hi < (chunksize + 3))
return NULL; // no memory left
chunksize = (chunksize + 3) & 0xfffc; // round to next multiple of 4
@ -142,7 +142,7 @@ uint8_t *BigBuf_malloc(uint16_t chunksize) {
uint8_t *BigBuf_calloc(uint16_t chunksize) {
uint8_t *mem = BigBuf_malloc(chunksize);
if (mem != NULL) {
memset(mem, 0x00, chunksize);
memset(mem, 0x00, ((chunksize + 3) & 0xfffc)); // round to next multiple of 4
}
return mem;
}