unsigned char *p;
n = i2d_X509(x, NULL);
- if (!BUF_MEM_grow_clean(buf, (int)(n + (*l) + 3))) {
+ if (n < 0 || !BUF_MEM_grow_clean(buf, (int)(n + (*l) + 3))) {
SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF, ERR_R_BUF_LIB);
return 0;
}
p = (unsigned char *)&(buf->data[*l]);
l2n3(n, p);
- i2d_X509(x, &p);
+ n = i2d_X509(x, &p);
+ if (n < 0) {
+ /* Shouldn't happen */
+ SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF, ERR_R_BUF_LIB);
+ return 0;
+ }
*l += n + 3;
return 1;