diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2000-12-28 22:41:46 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2000-12-28 22:41:46 +0000 |
commit | f86c5c9ac7b111aa2cf08d2c89d97e6f1b154162 (patch) | |
tree | bd285a7904901183daa91957317d3cc925f461f4 /crypto | |
parent | 66a0def81bc49c046f1c0ffd4eb93056b20686f7 (diff) | |
download | openssl-f86c5c9ac7b111aa2cf08d2c89d97e6f1b154162.tar.gz |
ASN1_ITEM version of ASN1_dup(). Might want
something more efficient later...
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/asn1/a_dup.c | 26 | ||||
-rw-r--r-- | crypto/asn1/asn1.h | 2 |
2 files changed, 27 insertions, 1 deletions
diff --git a/crypto/asn1/a_dup.c b/crypto/asn1/a_dup.c index 60e2e9a0a0..58a017884c 100644 --- a/crypto/asn1/a_dup.c +++ b/crypto/asn1/a_dup.c @@ -60,7 +60,7 @@ #include "cryptlib.h" #include <openssl/asn1.h> -#define READ_CHUNK 2048 +#ifndef NO_OLD_ASN1 char *ASN1_dup(int (*i2d)(), char *(*d2i)(), char *x) { @@ -81,3 +81,27 @@ char *ASN1_dup(int (*i2d)(), char *(*d2i)(), char *x) OPENSSL_free(b); return(ret); } + +#endif + +/* ASN1_ITEM version of dup: this follows the model above except we don't need + * to allocate the buffer. At some point this could be rewritten to directly dup + * the underlying structure instead of doing and encode and decode. + */ + +void *ASN1_item_dup(const ASN1_ITEM *it, void *x) + { + unsigned char *b = NULL, *p; + long i; + void *ret; + + if (x == NULL) return(NULL); + + i=ASN1_item_i2d(x,&b,it); + if (b == NULL) + { ASN1err(ASN1_F_ASN1_DUP,ERR_R_MALLOC_FAILURE); return(NULL); } + p= b; + ret=ASN1_item_d2i(NULL,&p,i, it); + OPENSSL_free(b); + return(ret); + } diff --git a/crypto/asn1/asn1.h b/crypto/asn1/asn1.h index 902aebb061..ef88bb35e2 100644 --- a/crypto/asn1/asn1.h +++ b/crypto/asn1/asn1.h @@ -801,6 +801,8 @@ int ASN1_object_size(int constructed, int length, int tag); /* Used to implement other functions */ char *ASN1_dup(int (*i2d)(),char *(*d2i)(),char *x); +void *ASN1_item_dup(const ASN1_ITEM *it, void *x); + #ifndef NO_FP_API char *ASN1_d2i_fp(char *(*xnew)(),char *(*d2i)(),FILE *fp,unsigned char **x); int ASN1_i2d_fp(int (*i2d)(),FILE *out,unsigned char *x); |