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/* This file is part of the SvarCOM project and is published under the terms
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 * of the MIT license.
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 *
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 * Copyright (C) 2021 Mateusz Viste
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 *
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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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 * 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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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 */
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/*
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/*
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 * prompt
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 * prompt
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 *
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 *
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 * Changes the DOS command prompt.
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 * Changes the DOS command prompt.
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 *
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 *
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 */
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 */
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static int cmd_prompt(struct cmd_funcparam *p) {
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static int cmd_prompt(struct cmd_funcparam *p) {
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  if (cmd_ishlp(p)) {
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  if (cmd_ishlp(p)) {
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    outputnl("Changes the DOS command prompt.");
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    outputnl("Changes the DOS command prompt.");
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    outputnl("");
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    outputnl("");
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    outputnl("PROMPT [new command prompt specification]");
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    outputnl("PROMPT [new command prompt specification]");
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    return(-1);
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    return(-1);
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  }
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  }
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  /* no parameter - restore default prompt path */
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  /* no parameter - restore default prompt path */
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  if (p->argc == 0) {
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  if (p->argc == 0) {
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    env_dropvar(p->env_seg, "PROMPT");
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    env_dropvar(p->env_seg, "PROMPT");
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    return(-1);
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    return(-1);
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  }
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  }
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  /* otherwise set PROMPT to whatever is passed on command-line */
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  /* otherwise set PROMPT to whatever is passed on command-line */
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  {
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  {
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    unsigned short i;
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    unsigned short i;
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    char *buff = p->BUFFER;
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    char *buff = p->BUFFER;
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    strcpy(buff, "PROMPT=");
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    strcpy(buff, "PROMPT=");
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    for (i = 0;; i++) {
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    for (i = 0;; i++) {
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      buff[i + 7] = p->cmdline[p->argoffset + i];
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      buff[i + 7] = p->cmdline[p->argoffset + i];
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      if (buff[i + 7] == '\r') break;
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      if (buff[i + 7] == '\r') break;
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    }
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    }
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    buff[i + 7] = 0;
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    buff[i + 7] = 0;
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    env_setvar(p->env_seg, buff);
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    env_setvar(p->env_seg, buff);
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  }
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  }
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  return(-1);
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  return(-1);
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}
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}
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