esp_spiffs.h need little bit of help

[Kingstocks]

Hi all,
I have try alot of thing to make it work
but I see it make a char as array but when I add a other char = the out I do not got the same data out

if anyone can help or point me in the right area


char dataout;

Code: [Select all] [Expand/Collapse]

1. void read_file_now(char *name, char *output) {
2.     char oldData[64];
3.     FILE* f = fopen(name, "r");
4.     if (f == NULL) {
5.         ESP_LOGE(TAG, "Failed to open file for reading");
6.         return;
7.     }
8. int i = 0;
9.      do{
10.              char cx = fgetc(f);
11.              if (feof(f)){
12.                    break;
13.              }
14.         oldData[i] = cx;
15.         i++;
16.              ESP_LOGE(TAG, "%c", cx);
17.          } while (1);
18.        
19.  
20. printf("Final Data: %s\n", oldData);
21. dataout = oldData;
22.   fclose(f);
23.  
24. return;
25.  ESP_LOGE(TAG, "We readed file %s", dataout );

GeSHi © Codebox Plus Extension

I can see &%*$

Thank you all

[ESP_Sprite]

If anything, oldData is not zero-terminated.

[eriksl]

Nicely spotted.

Also I'd recommend to at least use block reads, like fread at file pointer level, or read at file descriptor level.