add util/file, move file utils there

src/core/common.c

@@ -60,50 +60,6 @@ uint8_t slow_key(left_dial_t key,uint8_t* state,uint8_t* cnt)
     return 0;
 }
 
-///////////////////////////////////////////////////////////////////////////////
-// file compare
-bool file_compare(char* f1,char* f2)
-{
-    FILE* fp1;
-    FILE* fp2;
-    char  c1,c2;
-    bool  ret;
-
-    fp1 = fopen(f1,"r");
-    if(!fp1) return false;
-
-    fp2 = fopen(f2,"r");
-    if(!fp2) {
-        fclose(fp1);
-        return false;
-    }
-
-    ret = true;
-    while(!feof(fp1)) {
-        fread(&c1,1,1,fp1);
-        fread(&c2,1,1,fp2);
-        if(c1 != c2) {
-            ret = false;
-            break;
-        }
-    }
-    fclose(fp1);
-    fclose(fp2);
-    return ret;
-}
-
-bool file_exists(const char* filename) {
-    return access(filename, F_OK) == 0;
-}
-
-long file_get_size(const char* filename) {
-    struct stat st;
-    if (stat(filename, &st) != 0) {
-        return 0;
-    }
-    return st.st_size;
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // GPIO
 void gpio_init()

src/core/common.hh

@@ -1,13 +1,15 @@
 #ifndef __COMMON_HH__
 #define __COMMON_HH__
 
-#include <stdio.h>
-#include <stdint.h>
-#include <stdbool.h>
 #include <pthread.h>
 #include <stdatomic.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include <lvgl/lvgl.h>
+
 #include "defines.h"
-#include "lvgl/lvgl.h"      
 
 #define DIAL_KEY_UP     1
 #define DIAL_KEY_DOWN   2
@@ -22,10 +24,6 @@ extern pthread_mutex_t lvgl_mutex;
 
 uint8_t slow_key(left_dial_t key,uint8_t* state,uint8_t* cnt);
 
-bool file_compare(char* f1,char* f2);
-bool file_exists(const char* filename);
-long file_get_size(const char* filename);
-
 void    gpio_init();
 void    open_gpio(int port_num);
 void    set_gpio(int port_num, int isHigh);
@@ -34,4 +32,3 @@ void    beep_n(int dur_us);
 #define beep()            beep_n(500)
 
 #endif //__COMMON_HH__
-

src/ui/page_playback.c

@@ -15,6 +15,7 @@
 #include "ui/page_common.h"
 #include "ui/ui_player.h"
 #include "ui/ui_style.h"
+#include "util/file.h"
 
 LV_IMG_DECLARE(img_arrow1);
 

src/ui/page_version.c

@@ -18,6 +18,7 @@
 #include "ui/page_common.h"
 #include "ui/ui_main_menu.h"
 #include "ui/ui_style.h"
+#include "util/file.h"
 
 static lv_coord_t col_dsc[] = {160, 160, 160, 160, 160, 160, 160, LV_GRID_TEMPLATE_LAST};
 static lv_coord_t row_dsc[] = {60, 60, 60, 60, 60, 60, 60, 60, 60, 60, LV_GRID_TEMPLATE_LAST};

src/util/file.c

@@ -0,0 +1,65 @@
+#include "file.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+bool file_compare(char *f1, char *f2) {
+    FILE *fp1;
+    FILE *fp2;
+    char c1, c2;
+    bool ret;
+
+    fp1 = fopen(f1, "r");
+    if (!fp1)
+        return false;
+
+    fp2 = fopen(f2, "r");
+    if (!fp2) {
+        fclose(fp1);
+        return false;
+    }
+
+    ret = true;
+    while (!feof(fp1)) {
+        fread(&c1, 1, 1, fp1);
+        fread(&c2, 1, 1, fp2);
+        if (c1 != c2) {
+            ret = false;
+            break;
+        }
+    }
+    fclose(fp1);
+    fclose(fp2);
+    return ret;
+}
+
+bool file_exists(const char *filename) {
+    return access(filename, F_OK) == 0;
+}
+
+bool file_printf(const char *filename, const char *fmt, ...) {
+    FILE *fp = fopen(filename, "w");
+    if (!fp) {
+        return false;
+    }
+
+    va_list args;
+    va_start(args, fmt);
+    vfprintf(fp, fmt, args);
+    va_end(args);
+
+    fclose(fp);
+
+    return true;
+}
+
+long file_get_size(const char* filename) {
+    struct stat st;
+    if (stat(filename, &st) != 0) {
+        return 0;
+    }
+    return st.st_size;
+}

src/util/file.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <stdbool.h>
+
+bool file_compare(char *f1, char *f2);
+bool file_exists(const char *filename);
+bool file_printf(const char *filename, const char *fmt, ...);
+long file_get_size(const char* filename);