1 files changed, 38 insertions, 0 deletions
diff --git a/src/lib/index/args.c b/src/lib/index/args.c
new file mode 100644
index 0000000..2d92ab0
--- /dev/null
+++ b/src/lib/index/args.c
@@ -0,0 +1,38 @@
+#include "core.h"
+#include "args.h"
+
+struct option long_options[] = {
+    {"help", no_argument, 0, 'h'},
+    {"destdir", required_argument, 0, 'd'},
+    {"verbose", no_argument, 0, 'v'},
+    {"unbuffered", no_argument, 0, 'U'},
+    {"web", no_argument, 0, 'w'},
+    {0, 0, 0, 0},
+};
+
+const char *long_options_help[] = {
+    "Display this usage statement",
+    "Destination directory",
+    "Increase output verbosity",
+    "Disable line buffering",
+    "Generate HTML indexes (requires pandoc)",
+    NULL,
+};
+
+void usage(char *name) {
+    const int maxopts = sizeof(long_options) / sizeof(long_options[0]);
+    char *opts = calloc(maxopts + 1, sizeof(char));
+    for (int i = 0; i < maxopts; i++) {
+        opts[i] = (char) long_options[i].val;
+    }
+    printf("usage: %s [-%s] {{STASIS_ROOT}...}\n", name, opts);
+    guard_free(opts);
+
+    for (int i = 0; i < maxopts - 1; i++) {
+        char line[255] = {0};
+        sprintf(line, "  --%s  -%c  %-20s", long_options[i].name, long_options[i].val, long_options_help[i]);
+        puts(line);
+    }
+
+}
+