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); |
} |