增加配置文件

cfgwriter.c

@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <string.h>
+#include "simple-protobuf/simple_protobuf.h"
+
+struct CONFIG {
+    char pwd[64];  //password
+    char sps[64];  //set password
+};
+typedef struct CONFIG CONFIG;
+
+CONFIG cfg;
+
+uint64_t items_len[2] = {sizeof(cfg.pwd), sizeof(cfg.sps)};
+uint8_t types_len[2];
+
+int main() {
+    printf("Enter a password: ");
+    scanf("%s", cfg.pwd);
+    printf("Enter a set password: ");
+    scanf("%s", cfg.sps);
+    for(int i = 0; i < 2; i++) {
+        types_len[i] = first_set(items_len[i]);
+        printf("Item %d has type %d with size %llu\n", i, types_len[i], items_len[i]);
+    }
+    /*align_struct(types_len, 2, sizeof(CONFIG));
+    for(int i = 0; i < 5; i++) {
+        printf("Item %d's type after align: %u\n", i, types_len[i]);
+    }*/
+    FILE* fp = fopen("cfg.sp", "wb");
+    if(fp) {
+        set_pb(fp, types_len, sizeof(CONFIG), &cfg);
+        memset(&cfg, 0, sizeof(CONFIG));
+        fclose(fp);
+        puts("Write file succeed.");
+        fp = NULL;
+        fp = fopen("cfg.sp", "rb");
+        if(fp) {
+            SIMPLE_PB* spb = get_pb(fp);
+            memcpy(&cfg, spb->target, sizeof(CONFIG));
+            printf("set pwd: %s, sps: %s\n", cfg.pwd, cfg.sps);
+        } else perror("[SPB]");
+    } else perror("[SPB]");
+}