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/*
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/*
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 * FDINST - lightweigth FreeDOS package installer
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 * PKGINST - lightweigth SvarDOS package installer
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 * Copyright (C) 2015-2017 Mateusz Viste
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 * Copyright (C) 2015-2021 Mateusz Viste
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 *
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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    return(ACTION_HELP);
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    return(ACTION_HELP);
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  }
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  }
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}
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}
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static int pkginst(char *file, int flags, char *dosdir, char *tempdir, struct customdirs *dirlist) {
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static int pkginst(const char *file, int flags, const char *dosdir, struct customdirs *dirlist) {
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  char pkgname[32];
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  char pkgname[32];
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  int t, lastpathdelim = -1, u = 0;
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  int t, lastpathdelim = -1, u = 0;
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  char *buffmem1k;
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  struct ziplist *zipfileidx;
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  struct ziplist *zipfileidx;
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  FILE *zipfilefd;
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  FILE *zipfilefd;
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  for (t = 0; file[t] != 0; t++) {
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  for (t = 0; file[t] != 0; t++) {
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    if ((file[t] == '/') || (file[t] == '\\')) lastpathdelim = t;
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    if ((file[t] == '/') || (file[t] == '\\')) lastpathdelim = t;
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  }
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  }
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    if (pkgname[t] == '.') {
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    if (pkgname[t] == '.') {
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      pkgname[t] = 0;
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      pkgname[t] = 0;
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      break;
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      break;
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    }
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    }
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  }
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  }
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  /* allocate some memory for pkginst_preparepackage() to do its job */
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  buffmem1k = malloc(1024);
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  if (buffmem1k == NULL) {
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    puts("ERROR: Out of memory");
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    return(1);
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  }
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  /* prepare the zip file and install it */
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  /* prepare the zip file and install it */
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  zipfileidx = pkginstall_preparepackage(pkgname, file, flags, &zipfilefd, dosdir, dirlist, buffmem1k);
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  zipfileidx = pkginstall_preparepackage(pkgname, file, flags, &zipfilefd, dosdir, dirlist);
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  free(buffmem1k);
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  if (zipfileidx != NULL) {
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  if (zipfileidx != NULL) {
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    int res = 0;
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    int res = 0;
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    if (pkginstall_installpackage(pkgname, dosdir, dirlist, zipfileidx, zipfilefd) != 0) res = 1;
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    if (pkginstall_installpackage(pkgname, dosdir, dirlist, zipfileidx, zipfilefd) != 0) res = 1;
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    fclose(zipfilefd);
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    fclose(zipfilefd);
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    return(res);
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    return(res);
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int main(int argc, char **argv) {
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int main(int argc, char **argv) {
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  int res, flags;
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  int res, flags;
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  enum ACTIONTYPES action;
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  enum ACTIONTYPES action;
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  char *dosdir, *tempdir, *cfgfile;
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  char *dosdir, *cfgfile;
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  struct customdirs *dirlist;
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  struct customdirs *dirlist;
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  action = parsearg(argc, argv);
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  action = parsearg(argc, argv);
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  if (action == ACTION_HELP) return(showhelp());
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  if (action == ACTION_HELP) return(showhelp());
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    puts("ERROR: Out of memory");
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    puts("ERROR: Out of memory");
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    return(1);
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    return(1);
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  }
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  }
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  /* read all necessary environment variables */
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  /* read all necessary environment variables */
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  if (readenv(&dosdir, &tempdir, cfgfile, 256) != 0) {
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  if (readenv(&dosdir, cfgfile, 256) != 0) {
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    free(cfgfile);
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    free(cfgfile);
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    return(1);
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    return(1);
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  }
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  }
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  /* load configuration */
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  /* load configuration */
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  free(cfgfile);
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  free(cfgfile);
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  cfgfile = NULL;
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  cfgfile = NULL;
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  switch (action) {
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  switch (action) {
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    case ACTION_INSTALL:
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    case ACTION_INSTALL:
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      res = pkginst(argv[2], flags, dosdir, tempdir, dirlist);
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      res = pkginst(argv[2], flags, dosdir, dirlist);
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      break;
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      break;
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    case ACTION_REMOVE:
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    case ACTION_REMOVE:
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      res = pkgrem(argv[2], dosdir);
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      res = pkgrem(argv[2], dosdir);
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      break;
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      break;
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    default:
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    default: