Enrico Fraccaroli (Galfurian)
35 lines
930 B
C
35 lines
930 B
C
/// @file nice.c
|
|
/// @brief
|
|
/// @copyright (c) 2014-2024 This file is distributed under the MIT License.
|
|
/// See LICENSE.md for details.
|
|
|
|
#include <sys/unistd.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
if (argc == 1) {
|
|
int current = nice(0);
|
|
printf("%d \n\n", current);
|
|
return 0;
|
|
}
|
|
if (argc != 2) {
|
|
printf("%s: missing operand.\n", argv[0]);
|
|
printf("Try '%s --help' for more information.\n\n", argv[0]);
|
|
return 1;
|
|
}
|
|
if (!strcmp(argv[1], "--help")) {
|
|
printf("Usage: %s <increment>\n\n", argv[0]);
|
|
return 0;
|
|
}
|
|
int increment = atoi(argv[1]);
|
|
if ((increment < -40) || (increment > 40)) {
|
|
printf("Error: You must provide a value between (-40,+40). \n\n", increment);
|
|
return 1;
|
|
}
|
|
int newNice = nice(increment);
|
|
printf("Your new nice value is %d.\n\n", newNice);
|
|
return 0;
|
|
}
|