#include <openssl/x509.h> #include <openssl/asn1_mac.h> typedef struct X { STACK_OF(X509_EXTENSION) *ext; } X; /* This isn't meant to run particularly, it's just to test type checking */ int main(int argc, char **argv) { X *x = NULL; unsigned char **pp = NULL; M_ASN1_I2D_vars(x); M_ASN1_I2D_len_SEQUENCE_opt_type(X509_EXTENSION, x->ext, i2d_X509_EXTENSION); M_ASN1_I2D_seq_total(); M_ASN1_I2D_put_SEQUENCE_opt_type(X509_EXTENSION, x->ext, i2d_X509_EXTENSION); M_ASN1_I2D_finish(); }