A first attempt at nohup

nohup.c

@@ -0,0 +1,27 @@
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <unistd.h>
+
+int main(int argc, char ** argv) {
+  char ** util_argv;
+
+  if(signal(SIGHUP, SIG_IGN) == SIG_ERR) {
+    return 127;
+  }
+
+  util_argv = calloc(argc, sizeof(*argv));
+  if(util_argv == NULL) {
+    return 127;
+  }
+
+  for(int i = 0; i < argc - 1; i++) {
+    util_argv[i] = calloc(strlen(argv[i+1]) + 1, sizeof(*(util_argv[i])));
+    strcpy(util_argv[i], argv[i+1]);
+  }
+  util_argv[argc-1] = NULL;
+
+  if(execvp(util_argv[0], util_argv) < 0) {
+    return 126;
+  }
+}