From 67ffa18cceb3fafcf1a19d8e607fc9c1e8213e9d Mon Sep 17 00:00:00 2001
From: Nils Larsch <nils@openssl.org>
Date: Wed, 18 May 2005 22:30:38 +0000
Subject: make the type parameter const when ID2_OF_const() is used

---
 crypto/pem/pem.h | 30 ++++++++++++++++++++++--------
 1 file changed, 22 insertions(+), 8 deletions(-)

(limited to 'crypto/pem')

diff --git a/crypto/pem/pem.h b/crypto/pem/pem.h
index c65e07c4f5..7db6b423d0 100644
--- a/crypto/pem/pem.h
+++ b/crypto/pem/pem.h
@@ -230,9 +230,9 @@ return(((int (*)(I2D_OF(type),const char *,FILE *,type *, const EVP_CIPHER *,uns
 }
 
 #define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) \
-int PEM_write_##name(FILE *fp, type *x) \
+int PEM_write_##name(FILE *fp, const type *x) \
 { \
-return(((int (*)(I2D_OF_const(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
+return(((int (*)(I2D_OF_const(type),const char *,FILE *, const type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
 }
 
 #define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) \
@@ -266,9 +266,9 @@ return(((int (*)(I2D_OF(type),const char *,BIO *,type *, const EVP_CIPHER *,unsi
 }
 
 #define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
-int PEM_write_bio_##name(BIO *bp, type *x) \
+int PEM_write_bio_##name(BIO *bp, const type *x) \
 { \
-return(((int (*)(I2D_OF_const(type),const char *,BIO *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
+return(((int (*)(I2D_OF_const(type),const char *,BIO *,const type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
 }
 
 #define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
@@ -333,6 +333,9 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
 #define DECLARE_PEM_write_fp(name, type) \
 	int PEM_write_##name(FILE *fp, type *x);
 
+#define DECLARE_PEM_write_fp_const(name, type) \
+	int PEM_write_##name(FILE *fp, const 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);
@@ -346,6 +349,9 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
 #define DECLARE_PEM_write_bio(name, type) \
 	int PEM_write_bio_##name(BIO *bp, type *x);
 
+#define DECLARE_PEM_write_bio_const(name, type) \
+	int PEM_write_bio_##name(BIO *bp, const 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);
@@ -362,6 +368,10 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
 	DECLARE_PEM_write_bio(name, type) \
 	DECLARE_PEM_write_fp(name, type) 
 
+#define DECLARE_PEM_write_const(name, type) \
+	DECLARE_PEM_write_bio_const(name, type) \
+	DECLARE_PEM_write_fp_const(name, type)
+
 #define DECLARE_PEM_write_cb(name, type) \
 	DECLARE_PEM_write_cb_bio(name, type) \
 	DECLARE_PEM_write_cb_fp(name, type) 
@@ -374,6 +384,10 @@ int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
 	DECLARE_PEM_read(name, type) \
 	DECLARE_PEM_write(name, type)
 
+#define DECLARE_PEM_rw_const(name, type) \
+	DECLARE_PEM_read(name, type) \
+	DECLARE_PEM_write_const(name, type)
+
 #define DECLARE_PEM_rw_cb(name, type) \
 	DECLARE_PEM_read(name, type) \
 	DECLARE_PEM_write_cb(name, type)
@@ -601,7 +615,7 @@ DECLARE_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
 
 DECLARE_PEM_rw_cb(RSAPrivateKey, RSA)
 
-DECLARE_PEM_rw(RSAPublicKey, RSA)
+DECLARE_PEM_rw_const(RSAPublicKey, RSA)
 DECLARE_PEM_rw(RSA_PUBKEY, RSA)
 
 #endif
@@ -612,19 +626,19 @@ DECLARE_PEM_rw_cb(DSAPrivateKey, DSA)
 
 DECLARE_PEM_rw(DSA_PUBKEY, DSA)
 
-DECLARE_PEM_rw(DSAparams, DSA)
+DECLARE_PEM_rw_const(DSAparams, DSA)
 
 #endif
 
 #ifndef OPENSSL_NO_EC
-DECLARE_PEM_rw(ECPKParameters, EC_GROUP)
+DECLARE_PEM_rw_const(ECPKParameters, EC_GROUP)
 DECLARE_PEM_rw_cb(ECPrivateKey, EC_KEY)
 DECLARE_PEM_rw(EC_PUBKEY, EC_KEY)
 #endif
 
 #ifndef OPENSSL_NO_DH
 
-DECLARE_PEM_rw(DHparams, DH)
+DECLARE_PEM_rw_const(DHparams, DH)
 
 #endif
 
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