| 0,0 → 1,90 |
|---|
| /* This file is part of the SvarCOM project and is published under the terms |
| * of the MIT license. |
| * |
| * Copyright (C) 2021-2022 Mateusz Viste |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| /* |
| * path |
| * |
| * Displays or sets a search path for executable files. |
| */ |
| |
| static enum cmd_result cmd_path(struct cmd_funcparam *p) { |
| char *buff = p->BUFFER; |
| |
| /* help screen (/?) */ |
| if (cmd_ishlp(p)) { |
| nls_outputnl(27,0); /* "Displays or sets a search path for executable files." */ |
| outputnl(""); |
| nls_outputnl(27,1); /* "PATH [[drive:]path[;...]]" */ |
| outputnl("PATH ;"); |
| outputnl(""); |
| nls_outputnl(27,2); /* "Type PATH ; to clear all search-path settings and (...)" */ |
| outputnl(""); |
| nls_outputnl(27,3); /* "Type PATH without parameters to display the current path." */ |
| return(CMD_OK); |
| } |
| |
| /* no parameter - display current path */ |
| if (p->argc == 0) { |
| char far *curpath = env_lookup(p->env_seg, "PATH"); |
| if (curpath == NULL) { |
| nls_outputnl(27,4); /* "No Path" */ |
| } else { |
| unsigned short i; |
| for (i = 0;; i++) { |
| buff[i] = curpath[i]; |
| if (buff[i] == 0) break; |
| } |
| outputnl(buff); |
| } |
| return(CMD_FAIL); |
| } |
| |
| /* more than 1 parameter */ |
| if (p->argc > 1) { |
| nls_outputnl(0,4); /* "Too many parameters" */ |
| return(CMD_FAIL); |
| } |
| |
| /* IF HERE: THERE IS EXACTLY 1 ARGUMENT (argc == 1) */ |
| |
| /* reset the PATH string (PATH ;) */ |
| if (imatch(p->argv[0], ";")) { |
| env_dropvar(p->env_seg, "PATH"); |
| return(CMD_OK); |
| } |
| |
| /* otherwise set PATH to whatever is passed on command-line */ |
| { |
| unsigned short i; |
| strcpy(buff, "PATH="); |
| for (i = 0;; i++) { |
| buff[i + 5] = p->argv[0][i]; |
| if (buff[i + 5] == 0) break; |
| } |
| nls_strtoup(buff); /* upcase path, ref: https://osdn.net/projects/svardos/ticket/44146 */ |
| env_setvar(p->env_seg, buff); |
| } |
| |
| return(CMD_OK); |
| } |