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Create libioutil, implement a filewriter
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Kamil Kowalczyk
2026-03-02 22:47:10 +01:00
parent 27afd57427
commit 58c515e90a
28 changed files with 231 additions and 29 deletions
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10
kernel/fs/fatfs.c
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@@ -14,6 +14,7 @@
#include <path_defs.h>
#include <status.h>
#include <sys/debug.h>
#include <write_file.h>
static int fat1_diskio_read (struct fatfs_ctx* ctx, uint32_t sector, uint8_t* buffer,
uint32_t sector_count) {
@@ -196,13 +197,18 @@ int fatfs_read_file (struct vfs_volume* volume, const char* path, uint8_t* buffe
}
int fatfs_write_file (struct vfs_volume* volume, const char* path, uint8_t* buffer, size_t off,
size_t size) {
size_t size, uint32_t flags) {
struct fatfs_ctx* fatfs_ctx = volume->udata;
if (fl_is_dir (fatfs_ctx, path))
return -ST_NOT_FOUND;
FL_FILE* file = fl_fopen (fatfs_ctx, path, "wb+");
FL_FILE* file;
if ((flags & WF_APPEND))
file = fl_fopen (fatfs_ctx, path, "wb+");
else
file = fl_fopen (fatfs_ctx, path, "wb");
if (file == NULL)
return -ST_NOT_FOUND;

2
kernel/fs/fatfs.h
View File

@@ -22,7 +22,7 @@ int fatfs_read_file (struct vfs_volume* volume, const char* path, uint8_t* buffe
size_t size);
int fatfs_write_file (struct vfs_volume* volume, const char* path, uint8_t* buffer, size_t off,
size_t size);
size_t size, uint32_t flags);
int fatfs_read_dir_entry (struct vfs_volume* volume, const char* path, struct dir_entry* entry,
size_t entry_num);

4
kernel/fs/tarfs.c
View File

@@ -199,8 +199,8 @@ int tarfs_read_dir_entry (struct vfs_volume* volume, const char* path, struct di
}
int tarfs_write_file (struct vfs_volume* volume, const char* path, uint8_t* buffer, size_t off,
size_t size) {
(void)volume, (void)path, (void)buffer, (void)off, (void)size;
size_t size, uint32_t flags) {
(void)volume, (void)path, (void)buffer, (void)off, (void)size, (void)flags;
return ST_OK;
}

2
kernel/fs/tarfs.h
View File

@@ -44,7 +44,7 @@ int tarfs_read_file (struct vfs_volume* volume, const char* path, uint8_t* buffe
size_t size);
int tarfs_write_file (struct vfs_volume* volume, const char* path, uint8_t* buffer, size_t off,
size_t size);
size_t size, uint32_t flags);
int tarfs_read_dir_entry (struct vfs_volume* volume, const char* path, struct dir_entry* entry,
size_t entry_num);

4
kernel/fs/vfs.c
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@@ -206,7 +206,7 @@ int vfs_read_file (struct proc* proc, const char* volume_name, const char* path,
}
int vfs_write_file (struct proc* proc, const char* volume_name, const char* path, uint8_t* buffer,
size_t off, size_t size) {
size_t off, size_t size, uint32_t flags) {
struct vfs_volume* volume = vfs_find_volume (volume_name);
if (volume == NULL)
@@ -221,7 +221,7 @@ int vfs_write_file (struct proc* proc, const char* volume_name, const char* path
spin_unlock (&volume->lock);
return volume->driver_ops.write_file (volume, path, buffer, off, size);
return volume->driver_ops.write_file (volume, path, buffer, off, size, flags);
}
int vfs_create_file (struct proc* proc, const char* volume_name, const char* path) {

4
kernel/fs/vfs.h
View File

@@ -42,7 +42,7 @@ struct vfs_volume {
size_t size);
int (*write_file) (struct vfs_volume* volume, const char* path, uint8_t* buffer, size_t off,
size_t size);
size_t size, uint32_t flags);
int (*read_dir_entry) (struct vfs_volume* volume, const char* path, struct dir_entry* entry,
size_t entry_num);
@@ -70,7 +70,7 @@ int vfs_read_file (struct proc* proc, const char* volume, const char* path, uint
size_t off, size_t size);
int vfs_write_file (struct proc* proc, const char* volume, const char* path, uint8_t* buffer,
size_t off, size_t size);
size_t off, size_t size, uint32_t flags);
int vfs_describe (struct proc* proc, const char* volume, const char* path, struct desc* desc);