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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2018 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
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*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#include "prologue.h"
#include <stdio.h>
#include <string.h>
#include "log.h"
#include "params.h"
char *
getBootParameters (const char *name) {
size_t nameLength = strlen(name);
char *parameters;
if ((parameters = strdup(""))) {
const char *path = "/proc/cmdline";
FILE *file;
if ((file = fopen(path, "r"))) {
char buffer[0X1000];
char *line = fgets(buffer, sizeof(buffer), file);
if (line) {
char *token;
while ((token = strtok(line, " \n"))) {
line = NULL;
if ((strncmp(token, name, nameLength) == 0) &&
(token[nameLength] == '=')) {
char *newParameters = strdup(token + nameLength + 1);
if (newParameters) {
free(parameters);
parameters = newParameters;
} else {
logMallocError();
}
}
}
}
fclose(file);
}
} else {
logMallocError();
}
return parameters;
}