Implement C arg parsing with getopt_long

1 files changed, 36 insertions, 1 deletions

diff --git a/cd.c b/cd.c
index 617cdaf..14a9105 100644
--- a/cd.c
+++ b/cd.c
@@ -1,7 +1,42 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
 #include <sqlite3.h>
 #include "segmenttree.h"
 
 int main(int argc, char* argv[]) {
-	printf("Hello!");
+	char *file = "cards";
+	bool verbose = false;
+
+	static struct option long_options[] = {
+		{"file",    required_argument, 0, 'f'},
+		{"verbose", no_argument,       0, 'v'}
+	};
+	while (1) {
+		int option_index = 0;
+		int c = getopt_long(argc, argv, "f:v", long_options, &option_index);
+		if (c == -1) break;
+		switch (c) {
+			case 'f': file = strdup(optarg); break;
+			case 'v': verbose = true; break;
+			default: abort();
+		}
+	}
+
+	printf("%s", file);
+
+	sqlite3 *db;
+	int rc = sqlite3_open(file, &db);
+	if (rc) {
+		fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
+		abort();
+	}
+	fprintf(stderr, "Opened database successfully\n");
+
+	//int N = sqlite3_exec(db, "SELECT COUNT(*) FROM cards", callback)
+
+	sqlite3_close(db);
 }