From eb798a619a6e633747f3a65fcbc1afe0a5e37975 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20LUDWIG?= <contact@theoludwig.fr>
Date: Sun, 25 Jun 2023 14:31:39 +0200
Subject: [PATCH] fix: update `filesystem_read` and `filesystem_write`
 signatures

BREAKING CHANGE: take a `uint8_t` for file_content instead of `char`

It makes more sense to treat files as array of "bytes", not only characters/text files.
---
 lib/filesystem.c | 4 ++--
 lib/filesystem.h | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/filesystem.c b/lib/filesystem.c
index 362b852..8174e75 100644
--- a/lib/filesystem.c
+++ b/lib/filesystem.c
@@ -1,6 +1,6 @@
 #include "filesystem.h"
 
-int filesystem_read(char *path, char **file_content, off_t *file_size) {
+int filesystem_read(char *path, uint8_t **file_content, off_t *file_size) {
   int file_descriptor = open(path, O_RDONLY);
   if (file_descriptor == -1) {
     return -1;
@@ -15,7 +15,7 @@ int filesystem_read(char *path, char **file_content, off_t *file_size) {
   return 0;
 }
 
-int filesystem_write(char *path, char *file_content, off_t file_size) {
+int filesystem_write(char *path, uint8_t *file_content, off_t file_size) {
   int file_descriptor = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
   if (file_descriptor == -1) {
     return -1;
diff --git a/lib/filesystem.h b/lib/filesystem.h
index 2f697b9..7d05747 100644
--- a/lib/filesystem.h
+++ b/lib/filesystem.h
@@ -6,6 +6,7 @@
 #include <fcntl.h>
 #include <pwd.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -23,7 +24,7 @@
  * @retval 0 for success.
  * @since v1.0.0
  */
-int filesystem_read(char *path, char **file_content, off_t *file_size);
+int filesystem_read(char *path, uint8_t **file_content, off_t *file_size);
 
 /**
  * @brief Write the content to a file.
@@ -36,7 +37,7 @@ int filesystem_read(char *path, char **file_content, off_t *file_size);
  * @retval 0 for success.
  * @since v1.0.0
  */
-int filesystem_write(char *path, char *file_content, off_t file_size);
+int filesystem_write(char *path, uint8_t *file_content, off_t file_size);
 
 /**
  * @brief Get the mimetype of a file.