focussg.c

@@ -0,0 +1,56 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include "BlogDB.h"
+
+static int HelpMessage();
+static int ShortArg(int argc, char *argv[]);
+static int LongArg(int argc, char *argv[]);
+
+
+int HelpMessage()
+{
+    printf("Usage: focussg [OPTION]\n");
+    exit(0);
+}
+
+int ShortArg(int argc, char *argv[])
+{
+    switch (argv[1][1]) {
+        case 'h':
+            HelpMessage();
+            break;
+        default:
+            HelpMessage();
+            break;
+    }
+}
+
+int LongArg(int argc, char *argv[])
+{
+    char* option;
+    option = &argv[1][2];
+
+    if (strcmp(option, "help") == 0) 
+        HelpMessage();
+    else if (strcmp(option, "") == 0) 
+        return 0;
+    else 
+        HelpMessage();
+}
+
+int main(int argc, char *argv[])
+{
+    if (argc < 2) 
+        HelpMessage();
+    else if (argv[1][0] != '-') 
+        HelpMessage();
+    else if (argv[1][1] != '-') 
+        ShortArg(argc, argv);
+
+    LongArg(argc, argv);
+    return 0;
+}