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add asn1_u24_to_bitstring() 

Sometimes we have a native uint32_t, but we don't want to encode
it to a 4-byte long ASN1 BITSTRING, but rather to one that is only
24 bits.
This commit is contained in:
Harald Welte 2015-10-06 22:08:54 +02:00
parent 4dd16b9643
commit 0bb1261239
2 changed files with 8 additions and 0 deletions
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7
src/asn1helpers.c
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@ -31,6 +31,13 @@ void asn1_u32_to_bitstring(BIT_STRING_t *bitstr, uint32_t *in)
bitstr->bits_unused = 0;
}
void asn1_u24_to_bitstring(BIT_STRING_t *bitstr, uint32_t *in)
{
bitstr->buf = (uint8_t *) in;
bitstr->size = 24/8;
bitstr->bits_unused = 0;
}
int asn1_strncpy(char *out, const OCTET_STRING_t *in, size_t n)
{

1
src/asn1helpers.h
View File

@ -6,6 +6,7 @@
#include "OCTET_STRING.h"
void asn1_u32_to_bitstring(BIT_STRING_t *bitstr, uint32_t *in);
void asn1_u24_to_bitstring(BIT_STRING_t *bitstr, uint32_t *in);
int asn1_strncpy(char *out, const OCTET_STRING_t *in, size_t n);
uint16_t asn1str_to_u16(const OCTET_STRING_t *in);
uint8_t asn1str_to_u8(const OCTET_STRING_t *in);