/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include <string.h>
#include <stdlib.h>
#include "error.h"
#include "options.h"
int readopts(
int argc,
char** argv, options_t* opts) {
int idx;
int nopt = 1;
int envsize = 0;
memset(opts, 0,
sizeof (options_t));
for (idx = 1; idx < argc; idx++) {
if (argv[idx][0] ==
'-') {
if (strcmp(argv[idx],
"--no-pty") == 0) {
opts->nopty = 1;
nopt += 1;
}
else if (strcmp(argv[idx],
"--set-erase-key") == 0) {
opts->set_erase_key = 1;
nopt += 1;
}
else if (strcmp(argv[idx],
"--redirect-error") == 0) {
opts->redirect_error = 1;
nopt += 1;
}
else if (strcmp(argv[idx],
"--report") == 0) {
idx++;
if (argv[idx] == NULL || argv[idx][0] ==
'\0') {
err_quit(
"missing envfile after -report\n");
}
opts->reportfile = argv[idx];
nopt += 2;
}
else if (strcmp(argv[idx],
"--dumpenv") == 0) {
idx++;
if (argv[idx] == NULL || argv[idx][0] ==
'\0') {
err_quit(
"missing envfile after --dumpenv\n");
}
opts->envfile = argv[idx];
return argc;
// pretend that everything is parsed ...
}
else if (strcmp(argv[idx],
"--") == 0) {
idx++;
nopt += 2;
}
else if (strcmp(argv[idx],
"--readenv") == 0) {
argv[idx] =
"--";
idx++;
if (argv[idx] == NULL || argv[idx][0] ==
'\0') {
err_quit(
"missing envfile after --readenv\n");
}
opts->envfile = argv[idx];
nopt += 2;
}
else if (strcmp(argv[idx],
"-p") == 0) {
idx++;
if (argv[idx] == NULL || argv[idx][0] ==
'\0') {
err_quit(
"missing pty after -p\n");
}
opts->pty = argv[idx];
nopt += 2;
}
else if (strcmp(argv[idx],
"--dir") == 0) {
idx++;
if (argv[idx] == NULL || argv[idx][0] ==
'\0') {
err_quit(
"missing dir after --dir\n");
}
opts->wdir = argv[idx];
nopt += 2;
}
else if (strcmp(argv[idx],
"--env") == 0) {
idx++;
if (argv[idx] == NULL || argv[idx][0] ==
'\0') {
err_quit(
"missing variable=value pair after --env\n");
exit(-1);
}
// Cannot put environment here as in case of fork these
// variables will affect us...
// Will do this only before real execv
// putenv(argv[idx]);
if (envsize == opts->envnum) {
envsize += 10;
opts->envvars = realloc(opts->envvars,
sizeof (
char*) * envsize);
}
opts->envvars[opts->envnum++] = argv[idx];
nopt += 2;
}
else if (strcmp(argv[idx],
"-e") == 0) {
opts->noecho = 1;
nopt += 1;
}
else if (strcmp(argv[idx],
"-w") == 0) {
opts->waitSignal = 1;
nopt += 1;
}
else {
printf(
"ERROR unrecognized option '%s'\n", argv[idx]);
exit(-1);
}
}
else {
break;
}
}
return nopt;
}
