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sdp_util: skip memcpy if size == 0

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This commit is contained in:
Matthias Ringwald 2020-09-16 11:18:47 +02:00
parent 90fe6d5fb1
commit 52a3617cfd
1 changed files with 5 additions and 2 deletions
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7
src/classic/sdp_util.c
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@ -43,6 +43,7 @@
#include "bluetooth.h"
#include "btstack_config.h"
#include "btstack_debug.h"
#include "btstack_util.h"
#include "classic/core.h"
#include "classic/sdp_util.h"
@ -254,8 +255,10 @@ void de_add_data( uint8_t *seq, de_type_t type, uint16_t size, uint8_t *data){
de_store_descriptor_with_len(seq+3+data_size, type, DE_SIZE_VAR_8, size);
data_size += 2;
}
(void)memcpy(seq + 3 + data_size, data, size);
data_size += size;
if (size > 0){
(void)memcpy(seq + 3 + data_size, data, size);
data_size += size;
}
big_endian_store_16(seq, 1, data_size);
}