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/*
* 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");
}
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