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Member "mod_auth_gssapi-1.6.3/src/asn1c/xer_encoder.c" (15 Mar 2017, 1541 Bytes) of package /linux/www/apache_httpd_modules/mod_auth_gssapi-1.6.3.tar.gz:


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    1 /*-
    2  * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
    3  * Redistribution and modifications are permitted subject to BSD license.
    4  */
    5 #include <asn_internal.h>
    6 #include <stdio.h>
    7 #include <errno.h>
    8 
    9 /*
   10  * The XER encoder of any type. May be invoked by the application.
   11  */
   12 asn_enc_rval_t
   13 xer_encode(asn_TYPE_descriptor_t *td, void *sptr,
   14     enum xer_encoder_flags_e xer_flags,
   15         asn_app_consume_bytes_f *cb, void *app_key) {
   16     asn_enc_rval_t er, tmper;
   17     const char *mname;
   18     size_t mlen;
   19     int xcan = (xer_flags & XER_F_CANONICAL) ? 1 : 2;
   20 
   21     if(!td || !sptr) goto cb_failed;
   22 
   23     mname = td->xml_tag;
   24     mlen = strlen(mname);
   25 
   26     _ASN_CALLBACK3("<", 1, mname, mlen, ">", 1);
   27 
   28     tmper = td->xer_encoder(td, sptr, 1, xer_flags, cb, app_key);
   29     if(tmper.encoded == -1) return tmper;
   30 
   31     _ASN_CALLBACK3("</", 2, mname, mlen, ">\n", xcan);
   32 
   33     er.encoded = 4 + xcan + (2 * mlen) + tmper.encoded;
   34 
   35     _ASN_ENCODED_OK(er);
   36 cb_failed:
   37     _ASN_ENCODE_FAILED;
   38 }
   39 
   40 /*
   41  * This is a helper function for xer_fprint, which directs all incoming data
   42  * into the provided file descriptor.
   43  */
   44 static int
   45 xer__print2fp(const void *buffer, size_t size, void *app_key) {
   46     FILE *stream = (FILE *)app_key;
   47 
   48     if(fwrite(buffer, 1, size, stream) != size)
   49         return -1;
   50 
   51     return 0;
   52 }
   53 
   54 int
   55 xer_fprint(FILE *stream, asn_TYPE_descriptor_t *td, void *sptr) {
   56     asn_enc_rval_t er;
   57 
   58     if(!stream) stream = stdout;
   59     if(!td || !sptr)
   60         return -1;
   61 
   62     er = xer_encode(td, sptr, XER_F_BASIC, xer__print2fp, stream);
   63     if(er.encoded == -1)
   64         return -1;
   65 
   66     return fflush(stream);
   67 }