1 files changed, 34 insertions, 0 deletions
diff --git a/nice.c b/nice.c
new file mode 100644
index 0000000..274191d
--- /dev/null
+++ b/nice.c
@@ -0,0 +1,34 @@
+#define _XOPEN_SOURCE 700
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[])
+{
+	int increment = 0;
+	int c;
+
+	while ((c = getopt(argc, argv, "n:")) != -1) {
+		switch (c) {
+		case 'n':
+			increment = atoi(optarg);
+			break;
+
+		default:
+			return 1;
+		}
+	}
+
+	argv += optind;
+
+	errno = 0;
+	if (nice(increment) == -1 && errno != 0) {
+		perror("nice");
+	}
+
+	execvp(argv[0], argv);
+
+	perror("nice");
+	return errno == ENOENT ? 127 : 126;
+}