1/* $NetBSD: gen_seq.c,v 1.1.1.1 2011/04/13 18:14:41 elric Exp $ */ 2 3/* 4 * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "gen_locl.h" 37 38__RCSID("$NetBSD: gen_seq.c,v 1.1.1.1 2011/04/13 18:14:41 elric Exp $"); 39 40void 41generate_type_seq (const Symbol *s) 42{ 43 char *subname; 44 Type *type; 45 46 if (!seq_type(s->name)) 47 return; 48 type = s->type; 49 while(type->type == TTag) 50 type = type->subtype; 51 52 if (type->type != TSequenceOf && type->type != TSetOf) { 53 fprintf(stderr, "%s not seq of %d\n", s->name, (int)type->type); 54 return; 55 } 56 57 /* 58 * Require the subtype to be a type so we can name it and use 59 * copy_/free_ 60 */ 61 62 if (type->subtype->type != TType) { 63 fprintf(stderr, "%s subtype is not a type, can't generate " 64 "sequence code for this case: %d\n", 65 s->name, (int)type->subtype->type); 66 exit(1); 67 } 68 69 subname = type->subtype->symbol->gen_name; 70 71 fprintf (headerfile, 72 "ASN1EXP int ASN1CALL add_%s (%s *, const %s *);\n" 73 "ASN1EXP int ASN1CALL remove_%s (%s *, unsigned int);\n", 74 s->gen_name, s->gen_name, subname, 75 s->gen_name, s->gen_name); 76 77 fprintf (codefile, "int ASN1CALL\n" 78 "add_%s(%s *data, const %s *element)\n" 79 "{\n", 80 s->gen_name, s->gen_name, subname); 81 82 fprintf (codefile, 83 "int ret;\n" 84 "void *ptr;\n" 85 "\n" 86 "ptr = realloc(data->val, \n" 87 "\t(data->len + 1) * sizeof(data->val[0]));\n" 88 "if (ptr == NULL) return ENOMEM;\n" 89 "data->val = ptr;\n\n" 90 "ret = copy_%s(element, &data->val[data->len]);\n" 91 "if (ret) return ret;\n" 92 "data->len++;\n" 93 "return 0;\n", 94 subname); 95 96 fprintf (codefile, "}\n\n"); 97 98 fprintf (codefile, "int ASN1CALL\n" 99 "remove_%s(%s *data, unsigned int element)\n" 100 "{\n", 101 s->gen_name, s->gen_name); 102 103 fprintf (codefile, 104 "void *ptr;\n" 105 "\n" 106 "if (data->len == 0 || element >= data->len)\n" 107 "\treturn ASN1_OVERRUN;\n" 108 "free_%s(&data->val[element]);\n" 109 "data->len--;\n" 110 /* don't move if its the last element */ 111 "if (element < data->len)\n" 112 "\tmemmove(&data->val[element], &data->val[element + 1], \n" 113 "\t\tsizeof(data->val[0]) * data->len);\n" 114 /* resize but don't care about failures since it doesn't matter */ 115 "ptr = realloc(data->val, data->len * sizeof(data->val[0]));\n" 116 "if (ptr != NULL || data->len == 0) data->val = ptr;\n" 117 "return 0;\n", 118 subname); 119 120 fprintf (codefile, "}\n\n"); 121} 122