wiebenik

1 files changed, 47 insertions, 0 deletions

diff --git a/src/wiebenik.c b/src/wiebenik.c
new file mode 100644
index 0000000..cee4c9e
--- /dev/null
+++ b/src/wiebenik.c
@@ -0,0 +1,47 @@
+#include <getopt.h>
+#include <pwd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include "util/versie.h"
+#include "util/error.h"
+#include "util/debug.h"
+
+static void usage(FILE *f) {
+  fprintf(f,
+      "Gebruik: wiebenik [-hV]\n"
+      "\n"
+      "Laat zien wie jij bent"
+      "\n"
+      "  -h    Toon deze hulptekst\n"
+      "  -V    Toon versienummer\n");
+}
+
+// Returns pointer to argument array containing the file names
+static char** parse_options(int argc, char **argv) {
+  int opt;
+  while ((opt = getopt(argc, argv, "hV")) != -1) {
+    switch (opt) {
+      case 'h':
+        usage(stdout);
+        exit(0);
+
+      case 'V':
+        drukkedoos_print_versie(stdout, "omd");
+        exit(0);
+
+      case '?':
+        usage(stderr);
+        exit(1);
+    }
+  }
+
+  return argv + optind;
+}
+
+int entry_wiebenik(int argc, char **argv) {
+  parse_options(argc, argv);
+  struct passwd *pw = getpwuid(geteuid());
+  puts(pw->pw_name);
+  return 0;
+}