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obex_message_builder: add obex_message_builder_header_add_name_prefix

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This commit is contained in:
Matthias Ringwald 2021-10-18 16:10:24 +02:00
parent b43dabc88d
commit 2946c1e37e
2 changed files with 24 additions and 11 deletions
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21
src/classic/obex_message_builder.c
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@ -162,27 +162,30 @@ uint8_t obex_message_builder_body_add_static(uint8_t * buffer, uint16_t buffer_l
return obex_message_builder_header_add_variable(buffer, buffer_len, OBEX_HEADER_END_OF_BODY, data, length);
}
uint8_t obex_message_builder_header_add_name(uint8_t * buffer, uint16_t buffer_len, const char * name){
int len = strlen(name);
if (len) {
// empty string does not have trailing \0
len++;
}
if (buffer_len < (1 + 2 + len*2) ) return ERROR_CODE_MEMORY_CAPACITY_EXCEEDED;
uint8_t obex_message_builder_header_add_name_prefix(uint8_t * buffer, uint16_t buffer_len, const char * name, uint16_t name_len){
if (buffer_len < (1 + 2 + name_len*2) ) return ERROR_CODE_MEMORY_CAPACITY_EXCEEDED;
uint16_t pos = big_endian_read_16(buffer, 1);
buffer[pos++] = OBEX_HEADER_NAME;
big_endian_store_16(buffer, pos, 1 + 2 + len*2);
big_endian_store_16(buffer, pos, 1 + 2 + name_len*2);
pos += 2;
int i;
// @note name[len] == 0
for (i = 0 ; i < len ; i++){
for (i = 0 ; i < name_len ; i++){
buffer[pos++] = 0;
buffer[pos++] = *name++;
}
big_endian_store_16(buffer, 1, pos);
return ERROR_CODE_SUCCESS;
}
uint8_t obex_message_builder_header_add_name(uint8_t * buffer, uint16_t buffer_len, const char * name){
int len = strlen(name);
if (len > 0) {
// empty string does not have trailing \0
len++;
}
return obex_message_builder_header_add_name_prefix(buffer, buffer_len, name, len);
}
uint8_t obex_message_builder_header_add_type(uint8_t * buffer, uint16_t buffer_len, const char * type){
uint8_t header[3];

14
src/classic/obex_message_builder.h
View File

@ -161,17 +161,27 @@ uint8_t obex_message_builder_header_add_variable(uint8_t * buffer, uint16_t buff
* @brief Add name header to current request
* @param buffer
* @param buffer_len
* @param name
* @param name with trailing '\0'
* @return status
*/
uint8_t obex_message_builder_header_add_name(uint8_t * buffer, uint16_t buffer_len, const char * name);
/**
* @brief Add name header to current request
* @param buffer
* @param buffer_len
* @param name
* @param name_len
* @return status
*/
uint8_t obex_message_builder_header_add_name_prefix(uint8_t * buffer, uint16_t buffer_len, const char * name, uint16_t name_len);
/**
* @brief Add target header to current request
* @param buffer
* @param buffer_len
* @param target
* @param lenght of target
* @param length of target
* @return status
*/
uint8_t obex_message_builder_header_add_target(uint8_t * buffer, uint16_t buffer_len, const uint8_t * target, uint16_t length);