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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* Copyright (C) 2025 Johnny Richard <johnny@johnnyrichard.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include "utils.h"
char *
read_file_contents(char *file_path)
{
FILE *file;
int file_size;
file = fopen(file_path, "r");
if (file == NULL) {
perror("fopen");
return NULL;
}
if (fseek(file, 0, SEEK_END) == -1) {
perror("fseek SEEK_END");
fclose(file);
return NULL;
}
if ((file_size = ftell(file)) == -1) {
perror("ftell");
fclose(file);
return NULL;
}
if (fseek(file, 0, SEEK_SET) == -1) {
perror("fseek 0 SEEK_SET");
fclose(file);
return NULL;
}
char *file_content = (char *)calloc(file_size + 1, sizeof(char));
if (file_content == NULL) {
fprintf(stderr, "Could not allocate mem for file_content\n");
fclose(file);
return NULL;
}
size_t ret = fread(file_content, sizeof(char), file_size, file);
if (ret == 0 && ferror(file) != 0) {
perror("fread");
free(file_content);
fclose(file);
return NULL;
}
fclose(file);
return file_content;
}
|
