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how to read a line using littlefs

Caleb Dueck answered on February 7, 2023 Popularity 1/10 Helpfulness 8/10

answer how to read a line using littlefs

how to read a line using littlefs

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how to read a line of text using littlefs

#include "littlefs/lfs.h"

/*
Note that this code assumes that lfs is a pointer to a valid LittleFS instance, 
and file is a pointer to a valid LittleFS file that has been opened for reading.
The buf parameter is the buffer where the line will be stored, 
and size is the maximum size of the buffer.
*/

int read_line(lfs_t *lfs, lfs_file_t *file, char *buf, size_t size) {
    int i = 0;
    while (i < size) {
        int read = lfs_file_read(lfs, file, &buf[i], 1);
        if (read < 1) {
            break;
        }
        if (buf[i] == '\n') {
            i++;
            break;
        }
        i++;
    }
    buf[i] = '\0';
    return i;
}

Popularity 1/10 Helpfulness 8/10 Language c

Source: Grepper

Tags: c line using

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Contributed on Feb 07 2023

Caleb Dueck

0 Answers Avg Quality 2/10

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