Parsing commandline arguments

ulib/args/args.h

@@ -0,0 +1,33 @@
+#ifndef ULIB_ARGS_H_
+#define ULIB_ARGS_H_
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+char **args(void);
+size_t argslen(void);
+
+typedef struct {
+  char *shortname;
+  enum { ARG_STRING } expected_value;
+  void *ptr;
+  bool end;
+} Arg;
+
+#define ARG(sn, ev, p) ((Arg){ \
+    .shortname = (sn), \
+    .expected_value = (ev), \
+    .ptr = (void *)(p), \
+    .end = false, \
+  })
+
+#define ARG_END() ((Arg){ .end = true, })
+
+enum {
+  ARGP_OK = 0,
+};
+
+int32_t parse_args(char **argv, size_t argc, Arg *defs);
+
+#endif // ULIB_ARGS_H_