+/* These macros make the PEM_read/PEM_write functions easier to maintain and
+ * write. Now they are all implemented with either:
+ * IMPLEMENT_PEM_rw(...) or IMPLEMENT_PEM_rw_cb(...)
+ */
+
+#ifdef OPENSSL_NO_FP_API
+
+#define IMPLEMENT_PEM_read_fp(name, type, str, asn1) /**/
+#define IMPLEMENT_PEM_write_fp(name, type, str, asn1) /**/
+#define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) /**/
+
+#else
+
+#define IMPLEMENT_PEM_read_fp(name, type, str, asn1) \
+type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u)\
+{ \
+return(((type *(*)(D2I_OF(type),char *,FILE *,type **,pem_password_cb *,void *))PEM_ASN1_read)(d2i_##asn1, str,fp,x,cb,u)); \
+} \
+
+#define IMPLEMENT_PEM_write_fp(name, type, str, asn1) \
+int PEM_write_##name(FILE *fp, type *x) \
+{ \
+return(((int (*)(I2D_OF(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))PEM_ASN1_write)(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
+}
+
+#define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) \
+int PEM_write_##name(FILE *fp, type *x) \
+{ \
+return(((int (*)(I2D_OF_const(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))PEM_ASN1_write)(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
+}
+
+#define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) \
+int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
+ unsigned char *kstr, int klen, pem_password_cb *cb, \
+ void *u) \
+ { \
+ return(((int (*)(I2D_OF(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))PEM_ASN1_write)(i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u)); \
+ }
+
+#define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) \
+int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
+ unsigned char *kstr, int klen, pem_password_cb *cb, \
+ void *u) \
+ { \
+ return(((int (*)(I2D_OF_const(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))PEM_ASN1_write)(i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u)); \
+ }
+
+#endif
+
+#define IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
+type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u)\
+{ \
+return(((type *(*)(D2I_OF(type),const char *,BIO *,type **,pem_password_cb *,void *))PEM_ASN1_read_bio)(d2i_##asn1, str,bp,x,cb,u)); \
+}
+
+#define IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
+int PEM_write_bio_##name(BIO *bp, type *x) \
+{ \
+return(((int (*)(I2D_OF(type),const char *,BIO *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))PEM_ASN1_write_bio)(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
+}
+
+#define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
+int PEM_write_bio_##name(BIO *bp, type *x) \
+{ \
+return(((int (*)(I2D_OF_const(type),const char *,BIO *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))PEM_ASN1_write_bio)(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
+}
+
+#define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
+int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
+ unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
+ { \
+ return(((int (*)(I2D_OF(type),const char *,BIO *,type *,const EVP_CIPHER *,unsigned char *,int,pem_password_cb *,void *))PEM_ASN1_write_bio)(i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u)); \
+ }
+
+#define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
+int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
+ unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
+ { \
+ return(((int (*)(I2D_OF_const(type),const char *,BIO *,type *,const EVP_CIPHER *,unsigned char *,int,pem_password_cb *,void *))PEM_ASN1_write_bio)(i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u)); \
+ }
+
+#define IMPLEMENT_PEM_write(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_fp(name, type, str, asn1)
+
+#define IMPLEMENT_PEM_write_const(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)
+
+#define IMPLEMENT_PEM_write_cb(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)
+
+#define IMPLEMENT_PEM_write_cb_const(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)
+
+#define IMPLEMENT_PEM_read(name, type, str, asn1) \
+ IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
+ IMPLEMENT_PEM_read_fp(name, type, str, asn1)
+
+#define IMPLEMENT_PEM_rw(name, type, str, asn1) \
+ IMPLEMENT_PEM_read(name, type, str, asn1) \
+ IMPLEMENT_PEM_write(name, type, str, asn1)
+
+#define IMPLEMENT_PEM_rw_const(name, type, str, asn1) \
+ IMPLEMENT_PEM_read(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_const(name, type, str, asn1)
+
+#define IMPLEMENT_PEM_rw_cb(name, type, str, asn1) \
+ IMPLEMENT_PEM_read(name, type, str, asn1) \
+ IMPLEMENT_PEM_write_cb(name, type, str, asn1)
+
+/* These are the same except they are for the declarations */
+
+#if defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_NO_FP_API)
+
+#define DECLARE_PEM_read_fp(name, type) /**/
+#define DECLARE_PEM_write_fp(name, type) /**/
+#define DECLARE_PEM_write_cb_fp(name, type) /**/
+
+#else
+
+#define DECLARE_PEM_read_fp(name, type) \
+ type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u);
+
+#define DECLARE_PEM_write_fp(name, type) \
+ int PEM_write_##name(FILE *fp, type *x);
+
+#define DECLARE_PEM_write_cb_fp(name, type) \
+ int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
+ unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
+
+#endif
+
+#ifndef OPENSSL_NO_BIO
+#define DECLARE_PEM_read_bio(name, type) \
+ type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u);
+
+#define DECLARE_PEM_write_bio(name, type) \
+ int PEM_write_bio_##name(BIO *bp, type *x);
+
+#define DECLARE_PEM_write_cb_bio(name, type) \
+ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
+ unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
+
+#else
+
+#define DECLARE_PEM_read_bio(name, type) /**/
+#define DECLARE_PEM_write_bio(name, type) /**/
+#define DECLARE_PEM_write_cb_bio(name, type) /**/
+
+#endif
+
+#define DECLARE_PEM_write(name, type) \
+ DECLARE_PEM_write_bio(name, type) \
+ DECLARE_PEM_write_fp(name, type)
+
+#define DECLARE_PEM_write_cb(name, type) \
+ DECLARE_PEM_write_cb_bio(name, type) \
+ DECLARE_PEM_write_cb_fp(name, type)
+
+#define DECLARE_PEM_read(name, type) \
+ DECLARE_PEM_read_bio(name, type) \
+ DECLARE_PEM_read_fp(name, type)
+
+#define DECLARE_PEM_rw(name, type) \
+ DECLARE_PEM_read(name, type) \
+ DECLARE_PEM_write(name, type)
+
+#define DECLARE_PEM_rw_cb(name, type) \
+ DECLARE_PEM_read(name, type) \
+ DECLARE_PEM_write_cb(name, type)
+