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Add FSA documentation

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This commit is contained in:
Maschell
2022-06-09 22:25:05 +02:00
parent e834fa830e
commit f8703950aa
3 changed files with 147 additions and 10 deletions
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30
source/fsa.cpp
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@@ -1,3 +1,4 @@
#include "mocha/fsa.h"
#include "utils.h"
#include <coreinit/debug.h>
#include <coreinit/filesystem.h>
@@ -5,19 +6,38 @@
#include <cstring>
#include <malloc.h>
#include <mocha/fsa.h>
#include <string_view>
FSError FSAEx_Mount(FSClient *client, const char *source, const char *target, uint32_t flags, void *arg_buf, uint32_t arg_len) {
FSError FSAEx_Mount(FSClient *client, const char *source, const char *target, FSAMountFlags flags, void *arg_buf, uint32_t arg_len) {
if (!client) {
return FS_ERROR_INVALID_CLIENTHANDLE;
}
return FSAEx_MountEx(FSGetClientBody(client)->clientHandle, source, target, flags, arg_buf, arg_len);
}
FSError FSAEx_MountEx(int clientHandle, const char *source, const char *target, uint32_t flags, void *arg_buf, uint32_t arg_len) {
FSError FSAEx_MountEx(int clientHandle, const char *source, const char *target, FSAMountFlags flags, void *arg_buf, uint32_t arg_len) {
auto *buffer = (FSAShimBuffer *) memalign(0x40, sizeof(FSAShimBuffer));
if (!buffer) {
return FS_ERROR_INVALID_BUFFER;
}
// Check if source and target path is valid.
if (!std::string_view(target).starts_with("/vol/") || !std::string_view(source).starts_with("/dev/")) {
return FS_ERROR_INVALID_PATH;
}
if (flags == FSA_MOUNT_FLAG_BIND_MOUNT || flags == FSA_MOUNT_FLAG_GLOBAL_MOUNT) {
// Return error if target path DOES NOT start with "/vol/storage_"
if (!std::string_view(target).starts_with("/vol/storage_")) {
return FS_ERROR_INVALID_PATH;
}
} else {
// Return error if target path starts with "/vol/storage_"
if (std::string_view(target).starts_with("/vol/storage_")) {
return FS_ERROR_INVALID_PATH;
}
}
auto res = __FSAShimSetupRequestMount(buffer, clientHandle, source, target, 2, arg_buf, arg_len);
if (res != 0) {
free(buffer);
@@ -28,14 +48,14 @@ FSError FSAEx_MountEx(int clientHandle, const char *source, const char *target,
return res;
}
FSError FSAEx_Unmount(FSClient *client, const char *mountedTarget, int flags) {
FSError FSAEx_Unmount(FSClient *client, const char *mountedTarget, FSAUnmountFlags flags) {
if (!client) {
return FS_ERROR_INVALID_CLIENTHANDLE;
}
return FSAEx_UnmountEx(FSGetClientBody(client)->clientHandle, mountedTarget);
return FSAEx_UnmountEx(FSGetClientBody(client)->clientHandle, mountedTarget, flags);
}
FSError FSAEx_UnmountEx(int clientHandle, const char *mountedTarget, int flags) {
FSError FSAEx_UnmountEx(int clientHandle, const char *mountedTarget, FSAUnmountFlags flags) {
auto *buffer = (FSAShimBuffer *) memalign(0x40, sizeof(FSAShimBuffer));
if (!buffer) {
return FS_ERROR_INVALID_BUFFER;