Started work on creating sha-1 caps hash

src/common.c

@@ -167,3 +167,29 @@ prof_getline(FILE *stream)
     free(buf);
     return s;
 }
+
+int
+octet_compare(unsigned char *str1, unsigned char *str2)
+{
+    if ((strcmp((char *)str1, "") == 0) && (strcmp((char *)str2, "") == 0)) {
+        return 0;
+    }
+
+    if ((strcmp((char *)str1, "") == 0) && (strcmp((char *)str2, "") != 0)) {
+        return -1;
+    }
+
+    if ((strcmp((char *)str1, "") != 0) && (strcmp((char *)str2, "") == 0)) {
+        return 1;
+    }
+
+    if (str1[0] == str2[0]) {
+        return octet_compare(&str1[1], &str2[1]);
+    }
+
+    if (str1[0] < str2[0]) {
+        return -1;
+    }
+
+    return 1;
+}