- k=0;
- i-=again;
- if (i%2 != 0)
- {
- ASN1err(ASN1_F_A2I_ASN1_STRING,ASN1_R_ODD_NUMBER_OF_CHARS);
- goto err;
- }
- i/=2;
- if (num+i > slen)
- {
- if (s == NULL)
- sp=(unsigned char *)OPENSSL_malloc(
- (unsigned int)num+i*2);
- else
- sp=(unsigned char *)OPENSSL_realloc(s,
- (unsigned int)num+i*2);
- if (sp == NULL)
- {
- ASN1err(ASN1_F_A2I_ASN1_STRING,ERR_R_MALLOC_FAILURE);
- if (s != NULL) OPENSSL_free(s);
- goto err;
- }
- s=sp;
- slen=num+i*2;
- }
- for (j=0; j<i; j++,k+=2)
- {
- for (n=0; n<2; n++)
- {
- m=bufp[k+n];
- if ((m >= '0') && (m <= '9'))
- m-='0';
- else if ((m >= 'a') && (m <= 'f'))
- m=m-'a'+10;
- else if ((m >= 'A') && (m <= 'F'))
- m=m-'A'+10;
- else
- {
- ASN1err(ASN1_F_A2I_ASN1_STRING,ASN1_R_NON_HEX_CHARACTERS);
- goto err;
- }
- s[num+j]<<=4;
- s[num+j]|=m;
- }
- }
- num+=i;
- if (again)
- bufsize=BIO_gets(bp,buf,size);
- else
- break;
- }
- bs->length=num;
- bs->data=s;
- ret=1;
-err:
- if (0)
- {
-err_sl:
- ASN1err(ASN1_F_A2I_ASN1_STRING,ASN1_R_SHORT_LINE);
- }
- return(ret);
- }
+ k = 0;
+ i -= again;
+ if (i % 2 != 0) {
+ ASN1err(ASN1_F_A2I_ASN1_STRING, ASN1_R_ODD_NUMBER_OF_CHARS);
+ return 0;
+ }
+ i /= 2;
+ if (num + i > slen) {
+ sp = OPENSSL_realloc(s, (unsigned int)num + i * 2);
+ if (sp == NULL) {
+ ASN1err(ASN1_F_A2I_ASN1_STRING, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(s);
+ return 0;
+ }
+ s = sp;
+ slen = num + i * 2;
+ }
+ for (j = 0; j < i; j++, k += 2) {
+ for (n = 0; n < 2; n++) {
+ m = bufp[k + n];
+ if ((m >= '0') && (m <= '9'))
+ m -= '0';
+ else if ((m >= 'a') && (m <= 'f'))
+ m = m - 'a' + 10;
+ else if ((m >= 'A') && (m <= 'F'))
+ m = m - 'A' + 10;
+ else {
+ ASN1err(ASN1_F_A2I_ASN1_STRING,
+ ASN1_R_NON_HEX_CHARACTERS);
+ return 0;
+ }
+ s[num + j] <<= 4;
+ s[num + j] |= m;
+ }
+ }
+ num += i;
+ if (again)
+ bufsize = BIO_gets(bp, buf, size);
+ else
+ break;
+ }
+ bs->length = num;
+ bs->data = s;
+ return 1;