1 | /* $Id: $ */
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2 | /** @file
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3 | *
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4 | * The shell instance methods.
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5 | *
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6 | * Copyright (c) 2007 knut st. osmundsen <[email protected]>
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7 | *
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8 | *
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9 | * This file is part of kBuild.
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10 | *
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11 | * kBuild is free software; you can redistribute it and/or modify
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12 | * it under the terms of the GNU General Public License as published by
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13 | * the Free Software Foundation; either version 2 of the License, or
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14 | * (at your option) any later version.
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15 | *
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16 | * kBuild is distributed in the hope that it will be useful,
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | * GNU General Public License for more details.
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20 | *
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21 | * You should have received a copy of the GNU General Public License
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22 | * along with kBuild; if not, write to the Free Software
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23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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24 | *
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25 | */
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26 |
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27 | #include <string.h>
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28 | #include "shinstance.h"
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29 |
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30 |
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31 | /**
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32 | * Creates a root shell instance.
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33 | *
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34 | * @param inherit The shell to inherit from. If NULL inherit from environment and such.
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35 | * @param argc The argument count.
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36 | * @param argv The argument vector.
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37 | *
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38 | * @returns pointer to root shell on success, NULL on failure.
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39 | */
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40 | shinstance *sh_create_root_shell(shinstance *inherit, int argc, char **argv)
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41 | {
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42 | shinstance *psh;
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43 |
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44 | psh = malloc(sizeof(*psh));
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45 | if (psh)
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46 | {
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47 | memset(psh, 0, sizeof(*psh));
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48 |
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49 | /* memalloc.c */
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50 | psh->stacknleft = MINSIZE;
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51 | psh->herefd = -1;
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52 | psh->stackp = &psh->stackbase;
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53 | psh->stacknxt = psh->stackbase.space;
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54 |
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55 | /* input.c */
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56 | psh->plinno = 1;
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57 | psh->init_editline = 0;
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58 | psh->parsefile = &psh->basepf;
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59 |
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60 | /* output.c */
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61 | psh->output.bufsize = OUTBUFSIZ;
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62 | psh->output.fd = 1;
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63 | psh->errout.bufsize = 100;
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64 | psh->errout.fd = 2;
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65 | psh->memout.fd = MEM_OUT;
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66 | psh->out1 = &psh->output;
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67 | psh->out2 = &psh->errout;
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68 |
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69 | /* jobs.c */
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70 | psh->backgndpid = -1;
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71 | #if JOBS
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72 | psh->curjob = -1;
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73 | #endif
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74 | psh->ttyfd = -1;
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75 |
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76 | }
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77 | return psh;
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78 | }
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79 |
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80 |
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