summaryrefslogtreecommitdiff
path: root/file.c
blob: 2b82a072e818724a9796a0f1159ed6f47158eede (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#include <stdio.h>
#include <stdlib.h>

#include "file.h"

struct FileContent read_entire_file(const char *file_path) {
    struct FileContent file_data;
    file_data.content = NULL;
    file_data.count = 0;

    FILE *file = fopen(file_path, "rb");
    if (file == NULL) {
        perror("Error opening file");
        return file_data;
    }

    fseek(file, 0, SEEK_END);
    long file_size = ftell(file);
    fseek(file, 0, SEEK_SET);

    if (file_size == -1) {
        perror("Error getting file size");
        return file_data;
    }

    file_data.content = (const char *)malloc(file_size);
    if (file_data.content == NULL) {
        perror("Error allocating memory");
        return file_data;
    }

    size_t bytes_read = fread((void *)file_data.content, 1, file_size, file);
    if (bytes_read != (size_t)file_size) {
        perror("Error reading file");
        free((void *)file_data.content);
        file_data.content = NULL;
        return file_data;
    }

    file_data.count = bytes_read;

    fclose(file);
    return file_data;
}