shishi_asn1_read3
Api function
Usage
#include <shishi.h>
int shishi_asn1_read(Shishi * handle, Shishi_asn1 node, const char * field, char ** data, size_t * datalen);
Arguments
Shishi * handle
|
shishi handle as allocated by |
|---|---|
Shishi_asn1 node
|
ASN.1 variable to read field from. |
const char * field
|
name of field in node to read. |
char ** data
|
newly allocated output buffer that will hold ASN.1 field data. |
size_t * datalen
|
actual size of output buffer. |
Overview
Extract data stored in a ASN.1 field into a newly allocated buffer. The buffer will always be zero terminated, even though datalen will not include the added zero.
Return value
Returns SHISHI_OK if successful, SHISHI_ASN1_NO_ELEMENT if the element do not exist, SHISHI_ASN1_NO_VALUE if the field has no value, ot SHISHI_ASN1_ERROR otherwise.
Releases
10 releases since Debian 4.0 (Etch); the text changed 5 times.