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authorJakob Kaivo <jkk@ung.org>2019-03-14 13:11:44 -0400
committerJakob Kaivo <jkk@ung.org>2019-03-14 13:11:44 -0400
commit534e9a5d77adbcfe09d4ad6c643ea7bf3c824449 (patch)
treea7470d25f9104f58d329a4caaaa6f142f6349a86
first cut
-rw-r--r--nice.c34
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;
+}