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pbap_client: avoid strcat

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This commit is contained in:
Matthias Ringwald 2022-02-15 12:59:47 +01:00
parent 75c90b6e66
commit 899ebfd9f2
1 changed files with 6 additions and 2 deletions
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8
src/classic/pbap_client.c
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@ -440,8 +440,12 @@ static void obex_srm_init(obex_srm_t * obex_srm){
static void pbap_client_yml_append_character(yxml_t * xml_parser, char * buffer, uint16_t buffer_size){ static void pbap_client_yml_append_character(yxml_t * xml_parser, char * buffer, uint16_t buffer_size){
// "In UTF-8, characters from the U+0000..U+10FFFF range (the UTF-16 accessible range) are encoded using sequences of 1 to 4 octets." // "In UTF-8, characters from the U+0000..U+10FFFF range (the UTF-16 accessible range) are encoded using sequences of 1 to 4 octets."
uint16_t char_len = strlen(xml_parser->data); uint16_t char_len = strlen(xml_parser->data);
if ((strlen(buffer) + char_len + 1) >= buffer_size) return; btstack_assert(char_len <= 4);
strcat(buffer, xml_parser->data); uint16_t dest_len = strlen(buffer);
uint16_t zero_pos = dest_len + char_len;
if (zero_pos >= buffer_size) return;
memcpy(&buffer[dest_len], xml_parser->data, char_len);
buffer[zero_pos] = '\0';
} }
static void pbap_client_process_vcard_list_body(const uint8_t * data, uint16_t data_len){ static void pbap_client_process_vcard_list_body(const uint8_t * data, uint16_t data_len){