Annotation of rpl/src/instructions_c9.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:
! 23: #include "rpl-conv.h"
! 24:
! 25:
! 26: /*
! 27: ================================================================================
! 28: Fonction 'compress'
! 29: ================================================================================
! 30: Entrées :
! 31: --------------------------------------------------------------------------------
! 32: Sorties :
! 33: --------------------------------------------------------------------------------
! 34: Effets de bord : néant
! 35: ================================================================================
! 36: */
! 37:
! 38: void
! 39: instruction_compress(struct_processus *s_etat_processus)
! 40: {
! 41: struct_liste_chainee *l_element_courant;
! 42:
! 43: struct_objet *s_objet_argument;
! 44: struct_objet *s_objet_resultat;
! 45:
! 46: uLong longueur_initiale;
! 47: uLong longueur_compression;
! 48: uLong longueur_max_compression;
! 49:
! 50: unsigned char *tampon;
! 51:
! 52: if ((*s_etat_processus).affichage_arguments == 'Y')
! 53: {
! 54: printf("\n COMPRESS ");
! 55:
! 56: if ((*s_etat_processus).langue == 'F')
! 57: {
! 58: printf("(compression de données)\n\n");
! 59: }
! 60: else
! 61: {
! 62: printf("(data compression)\n\n");
! 63: }
! 64:
! 65: printf(" 1: %s\n", d_CHN);
! 66: printf("-> 1: %s\n", d_LST);
! 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 == CHN)
! 92: {
! 93: longueur_initiale = (uLong) strlen((unsigned char*)
! 94: (*s_objet_argument).objet);
! 95: longueur_max_compression = compressBound(longueur_initiale);
! 96:
! 97: if ((tampon = malloc(((size_t) longueur_max_compression) *
! 98: sizeof(unsigned char))) == NULL)
! 99: {
! 100: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 101: return;
! 102: }
! 103:
! 104: longueur_compression = longueur_max_compression;
! 105:
! 106: if (compress2(tampon, &longueur_compression,
! 107: (unsigned char*) (*s_objet_argument).objet,
! 108: longueur_initiale, 9) != Z_OK)
! 109: {
! 110: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 111: return;
! 112: }
! 113:
! 114: liberation(s_etat_processus, s_objet_argument);
! 115:
! 116: if ((s_objet_resultat = allocation(s_etat_processus, LST)) == NULL)
! 117: {
! 118: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 119: return;
! 120: }
! 121:
! 122: if (((*s_objet_resultat).objet = allocation_maillon(s_etat_processus))
! 123: == NULL)
! 124: {
! 125: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 126: return;
! 127: }
! 128:
! 129: l_element_courant = (*s_objet_resultat).objet;
! 130:
! 131: if (((*l_element_courant).donnee = allocation(s_etat_processus, INT))
! 132: == NULL)
! 133: {
! 134: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 135: return;
! 136: }
! 137:
! 138: (*((integer8 *) (*(*l_element_courant).donnee).objet)) =
! 139: (integer8) longueur_initiale;
! 140:
! 141: if (((*l_element_courant).suivant = allocation_maillon(
! 142: s_etat_processus)) == NULL)
! 143: {
! 144: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 145: return;
! 146: }
! 147:
! 148: l_element_courant = (*l_element_courant).suivant;
! 149: (*l_element_courant).suivant = NULL;
! 150:
! 151: if (((*l_element_courant).donnee = allocation(s_etat_processus, CHN))
! 152: == NULL)
! 153: {
! 154: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
! 155: return;
! 156: }
! 157:
! 158: if (((*(*l_element_courant).donnee).objet = analyse_flux(
! 159: s_etat_processus, tampon, (integer8) longueur_compression))
! 160: == NULL)
! 161: {
! 162: liberation(s_etat_processus, s_objet_resultat);
! 163: free(tampon);
! 164: return;
! 165: }
! 166:
! 167: free(tampon);
! 168:
! 169: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
! 170: s_objet_resultat) == d_erreur)
! 171: {
! 172: return;
! 173: }
! 174: }
! 175: else
! 176: {
! 177: liberation(s_etat_processus, s_objet_argument);
! 178:
! 179: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
! 180: return;
! 181: }
! 182:
! 183: return;
! 184: }
! 185:
! 186: // vim: ts=4
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