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