implement BIT_STRING_fromBuf() similar to OCTET_STRING_fromBuf()
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16232780d8
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fcabec3665
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@ -19,11 +19,13 @@
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*/
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*/
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#include <string.h>
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#include <string.h>
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#include <errno.h>
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#include <arpa/inet.h>
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#include <arpa/inet.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/utils.h>
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#include "asn1helpers.h"
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#include "asn1helpers.h"
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#include "asn_internal.h"
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void asn1_u32_to_bitstring(BIT_STRING_t *bitstr, uint32_t *buf, uint32_t in)
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void asn1_u32_to_bitstring(BIT_STRING_t *bitstr, uint32_t *buf, uint32_t in)
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{
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{
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@ -49,6 +51,45 @@ void asn1_u24_to_bitstring(BIT_STRING_t *bitstr, uint32_t *buf, uint32_t in)
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bitstr->bits_unused = 0;
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bitstr->bits_unused = 0;
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}
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}
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int BIT_STRING_fromBuf(BIT_STRING_t *st, const uint8_t *str, unsigned int bit_len)
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{
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void *buf;
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unsigned int len = bit_len / 8;
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if (bit_len % 8)
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len++;
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if (!st || (!str && len)) {
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errno = EINVAL;
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return -1;
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}
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if (!str) {
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FREEMEM(st->buf);
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st->buf = 0;
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st->size = 0;
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st->bits_unused = 0;
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return 0;
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}
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if (len < 0)
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len = strlen(str);
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buf = MALLOC(len);
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if (!buf) {
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errno = ENOMEM;
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return -1;
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}
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memcpy(buf, str, len);
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FREEMEM(st->buf);
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st->buf = buf;
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st->size = len;
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st->bits_unused = (len * 8) - bit_len;
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return 0;
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}
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void asn1_u16_to_str(OCTET_STRING_t *str, uint16_t *buf, uint16_t in)
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void asn1_u16_to_str(OCTET_STRING_t *str, uint16_t *buf, uint16_t in)
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{
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{
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*buf = htons(in);
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*buf = htons(in);
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@ -7,6 +7,7 @@
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void asn1_u32_to_bitstring(BIT_STRING_t *bitstr, uint32_t *buf, uint32_t in);
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void asn1_u32_to_bitstring(BIT_STRING_t *bitstr, uint32_t *buf, uint32_t in);
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void asn1_u24_to_bitstring(BIT_STRING_t *bitstr, uint32_t *buf, uint32_t in);
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void asn1_u24_to_bitstring(BIT_STRING_t *bitstr, uint32_t *buf, uint32_t in);
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int BIT_STRING_fromBuf(BIT_STRING_t *st, const uint8_t *str, unsigned int bit_len);
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void asn1_u16_to_str(OCTET_STRING_t *str, uint16_t *buf, uint16_t in);
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void asn1_u16_to_str(OCTET_STRING_t *str, uint16_t *buf, uint16_t in);
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void asn1_u8_to_str(OCTET_STRING_t *str, uint8_t *buf, uint8_t in);
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void asn1_u8_to_str(OCTET_STRING_t *str, uint8_t *buf, uint8_t in);
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int asn1_strncpy(char *out, const OCTET_STRING_t *in, size_t n);
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int asn1_strncpy(char *out, const OCTET_STRING_t *in, size_t n);
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