diff options
Diffstat (limited to 'crypto/heimdal/lib/asn1/gen_seq.c')
| -rw-r--r-- | crypto/heimdal/lib/asn1/gen_seq.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/asn1/gen_seq.c b/crypto/heimdal/lib/asn1/gen_seq.c new file mode 100644 index 0000000..5477675 --- /dev/null +++ b/crypto/heimdal/lib/asn1/gen_seq.c @@ -0,0 +1,119 @@ +/* + * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "gen_locl.h" + +RCSID("$Id: gen_seq.c 20561 2007-04-24 16:14:30Z lha $"); + +void +generate_type_seq (const Symbol *s) +{ + char *subname; + Type *type; + + if (!seq_type(s->name)) + return; + type = s->type; + while(type->type == TTag) + type = type->subtype; + + if (type->type != TSequenceOf) { + printf("%s not seq of %d\n", s->name, (int)type->type); + return; + } + + /* + * Require the subtype to be a type so we can name it and use + * copy_/free_ + */ + + if (type->subtype->type != TType) { + fprintf(stderr, "%s subtype is not a type, can't generate " + "sequence code for this case: %d\n", + s->name, (int)type->subtype->type); + exit(1); + } + + subname = type->subtype->symbol->gen_name; + + fprintf (headerfile, + "int add_%s (%s *, const %s *);\n" + "int remove_%s (%s *, unsigned int);\n", + s->gen_name, s->gen_name, subname, + s->gen_name, s->gen_name); + + fprintf (codefile, "int\n" + "add_%s(%s *data, const %s *element)\n" + "{\n", + s->gen_name, s->gen_name, subname); + + fprintf (codefile, + "int ret;\n" + "void *ptr;\n" + "\n" + "ptr = realloc(data->val, \n" + "\t(data->len + 1) * sizeof(data->val[0]));\n" + "if (ptr == NULL) return ENOMEM;\n" + "data->val = ptr;\n\n" + "ret = copy_%s(element, &data->val[data->len]);\n" + "if (ret) return ret;\n" + "data->len++;\n" + "return 0;\n", + subname); + + fprintf (codefile, "}\n\n"); + + fprintf (codefile, "int\n" + "remove_%s(%s *data, unsigned int element)\n" + "{\n", + s->gen_name, s->gen_name); + + fprintf (codefile, + "void *ptr;\n" + "\n" + "if (data->len == 0 || element >= data->len)\n" + "\treturn ASN1_OVERRUN;\n" + "free_%s(&data->val[element]);\n" + "data->len--;\n" + /* don't move if its the last element */ + "if (element < data->len)\n" + "\tmemmove(&data->val[element], &data->val[element + 1], \n" + "\t\tsizeof(data->val[0]) * data->len);\n" + /* resize but don't care about failures since it doesn't matter */ + "ptr = realloc(data->val, data->len * sizeof(data->val[0]));\n" + "if (ptr != NULL || data->len == 0) data->val = ptr;\n" + "return 0;\n", + subname); + + fprintf (codefile, "}\n\n"); +} |
