Annotation of rpl/src/instructions_u2.c, revision 1.1
1.1 ! bertrand 1: /*
! 2: ================================================================================
! 3: RPL/2 (R) version 4.1.13
! 4: Copyright (C) 1989-2013 Dr. BERTRAND Joël
! 5:
! 6: This file is part of RPL/2.
! 7:
! 8: RPL/2 is free software; you can redistribute it and/or modify it
! 9: under the terms of the CeCILL V2 License as published by the french
! 10: CEA, CNRS and INRIA.
! 11:
! 12: RPL/2 is distributed in the hope that it will be useful, but WITHOUT
! 13: ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
! 14: FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL V2 License
! 15: for more details.
! 16:
! 17: You should have received a copy of the CeCILL License
! 18: along with RPL/2. If not, write to info@cecill.info.
! 19: ================================================================================
! 20: */
! 21:
! 22: #define DEBUG_ERREURS
! 23: #include "rpl-conv.h"
! 24:
! 25:
! 26: /*
! 27: ================================================================================
! 28: Fonction 'uncompress'
! 29: ================================================================================
! 30: Entrées :
! 31: --------------------------------------------------------------------------------
! 32: Sorties :
! 33: --------------------------------------------------------------------------------
! 34: Effets de bord : néant
! 35: ================================================================================
! 36: */
! 37:
! 38: void
! 39: instruction_uncompress(struct_processus *s_etat_processus)
! 40: {
! 41: integer8 longueur_tampon;
! 42:
! 43: struct_liste_chainee *l_element_courant;
! 44:
! 45: struct_objet *s_objet_argument;
! 46: struct_objet *s_objet_resultat;
! 47:
! 48: uLong taille;
! 49:
! 50: unsigned char *tampon;
! 51:
! 52: if ((*s_etat_processus).affichage_arguments == 'Y')
! 53: {
! 54: printf("\n UNCOMPRESS ");
! 55:
! 56: if ((*s_etat_processus).langue == 'F')
! 57: {
! 58: printf("(décompression de données)\n\n");
! 59: }
! 60: else
! 61: {
! 62: printf("(data uncompression)\n\n");
! 63: }
! 64:
! 65: printf(" 1: %s\n", d_LST);
! 66: printf("-> 1: %s\n", d_CHN);
! 67:
! 68: return;
! 69: }
! 70: else if ((*s_etat_processus).test_instruction == 'Y')
! 71: {
! 72: (*s_etat_processus).nombre_arguments = -1;
! 73: return;
! 74: }
! 75:
! 76: if (test_cfsf(s_etat_processus, 31) == d_vrai)
! 77: {
! 78: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
! 79: {
! 80: return;
! 81: }
! 82: }
! 83:
! 84: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
! 85: &s_objet_argument) == d_erreur)
! 86: {
! 87: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
! 88: return;
! 89: }
! 90:
! 91: if ((*s_objet_argument).type == LST)
! 92: {
! 93: l_element_courant = (*s_objet_argument).objet;
! 94:
! 95: if ((*(*l_element_courant).donnee).type != INT)
! 96: {
! 97: liberation(s_etat_processus, s_objet_argument);
! 98:
! 99: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
! 100: return;
! 101: }
! 102:
! 103: taille = (uLong) (*((integer8 *) (*(*l_element_courant).donnee).objet));
! 104: l_element_courant = (*l_element_courant).suivant;
! 105:
! 106: if (l_element_courant == NULL)
! 107: {
! 108: liberation(s_etat_processus, s_objet_argument);
! 109:
! 110: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
! 111: return;
! 112: }
! 113:
! 114: if ((*(*l_element_courant).donnee).type != CHN)
! 115: {
! 116: liberation(s_etat_processus, s_objet_argument);
! 117:
! 118: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
! 119: return;
! 120: }
! 121:
! 122: if ((*l_element_courant).suivant != NULL)
! 123: {
! 124: liberation(s_etat_processus, s_objet_argument);
! 125:
! 126: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
! 127: return;
! 128: }
! 129:
! 130: if ((tampon = formateur_flux(s_etat_processus,
! 131: (*(*l_element_courant).donnee).objet, &longueur_tampon))
! 132: == NULL)
! 133: {
! 134: return;
! 135: }
! 136:
! 137: if ((s_objet_resultat = allocation(s_etat_processus, CHN)) == NULL)
! 138: {
! 139: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 140: return;
! 141: }
! 142:
! 143: if (((*s_objet_resultat).objet = malloc(((size_t) (taille + 1)) *
! 144: sizeof(unsigned char))) == NULL)
! 145: {
! 146: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 147: return;
! 148: }
! 149:
! 150: switch(uncompress((*s_objet_resultat).objet, &taille,
! 151: tampon, (uLong) longueur_tampon))
! 152: {
! 153: case Z_MEM_ERROR:
! 154: {
! 155: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 156: return;
! 157: }
! 158:
! 159: case Z_BUF_ERROR:
! 160: case Z_DATA_ERROR:
! 161: {
! 162: liberation(s_etat_processus, s_objet_argument);
! 163: liberation(s_etat_processus, s_objet_resultat);
! 164: free(tampon);
! 165:
! 166: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
! 167: return;
! 168: }
! 169:
! 170: default:
! 171: case Z_OK:
! 172: {
! 173: break;
! 174: }
! 175: }
! 176:
! 177: ((unsigned char *) (*s_objet_resultat).objet)[taille] =
! 178: d_code_fin_chaine;
! 179: liberation(s_etat_processus, s_objet_argument);
! 180: free(tampon);
! 181:
! 182: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
! 183: s_objet_resultat) == d_erreur)
! 184: {
! 185: return;
! 186: }
! 187: }
! 188: else
! 189: {
! 190: liberation(s_etat_processus, s_objet_argument);
! 191:
! 192: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
! 193: return;
! 194: }
! 195:
! 196: return;
! 197: }
! 198:
! 199: // vim: ts=4
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