loop_args util function

2 files changed, 29 insertions, 0 deletions

diff --git a/src/util/loop_args.c b/src/util/loop_args.c
new file mode 100644
index 0000000..4609c71
--- /dev/null
+++ b/src/util/loop_args.c
@@ -0,0 +1,24 @@
+#include <string.h>
+
+#include "loop_args.h"
+
+int loop_args(char **args, int (*callback)(char *argv, bool isstdin)) {
+  if (*args == NULL) {
+    return callback(*args, true);
+  }
+
+  while (*args != NULL) {
+    int res = 0;
+    if (!strcmp(*args, "-")) {
+      res = callback(*args, true);
+    } else {
+      res = callback(*args, false);
+    }
+
+    if (res != 0) return res;
+
+    args++;
+  }
+
+  return 0;
+}
diff --git a/src/util/loop_args.h b/src/util/loop_args.h
new file mode 100644
index 0000000..359ed75
--- /dev/null
+++ b/src/util/loop_args.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#include <stdbool.h>
+
+int loop_args(char **args, int (*callback)(char *arg, bool isstdin));