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fsInit, fsExit

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smea 2014-08-16 17:11:13 -07:00
parent aa7d9acbbe
commit 2b4a219f87
2 changed files with 39 additions and 18 deletions
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15
libctru/include/3ds/FS.h
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@ -36,12 +36,15 @@ static inline FS_path FS_makePath(FS_pathType type, char* path)
return (FS_path){type, strlen(path)+1, (u8*)path}; return (FS_path){type, strlen(path)+1, (u8*)path};
} }
Result FSUSER_Initialize(Handle handle); Result fsInit(void);
Result FSUSER_OpenArchive(Handle handle, FS_archive* archive); Result fsExit(void);
Result FSUSER_OpenDirectory(Handle handle, Handle* out, FS_archive archive, FS_path dirLowPath);
Result FSUSER_OpenFile(Handle handle, Handle* out, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes); Result FSUSER_Initialize(Handle* handle);
Result FSUSER_OpenFileDirectly(Handle handle, Handle* out, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes); Result FSUSER_OpenArchive(Handle* handle, FS_archive* archive);
Result FSUSER_CloseArchive(Handle handle, FS_archive* archive); Result FSUSER_OpenDirectory(Handle* handle, Handle* out, FS_archive archive, FS_path dirLowPath);
Result FSUSER_OpenFile(Handle* handle, Handle* out, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes);
Result FSUSER_OpenFileDirectly(Handle* handle, Handle* out, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes);
Result FSUSER_CloseArchive(Handle* handle, FS_archive* archive);
Result FSFILE_Close(Handle handle); Result FSFILE_Close(Handle handle);
Result FSFILE_Read(Handle handle, u32 *bytesRead, u64 offset, u32 *buffer, u32 size); Result FSFILE_Read(Handle handle, u32 *bytesRead, u64 offset, u32 *buffer, u32 size);

42
libctru/source/services/fs.c
View File

@ -1,23 +1,37 @@
#include <string.h> #include <string.h>
#include <3ds/types.h> #include <3ds/types.h>
#include <3ds/FS.h> #include <3ds/FS.h>
#include <3ds/srv.h>
#include <3ds/svc.h> #include <3ds/svc.h>
Handle fsuHandle;
Result FSUSER_Initialize(Handle handle) Result fsInit(void)
{ {
return srvGetServiceHandle(&fsuHandle, "fs:USER");
}
Result fsExit(void)
{
return svcCloseHandle(fsuHandle);
}
Result FSUSER_Initialize(Handle* handle)
{
if(!handle)handle=&fsuHandle;
u32* cmdbuf=getThreadCommandBuffer(); u32* cmdbuf=getThreadCommandBuffer();
cmdbuf[0]=0x08010002; //request header code cmdbuf[0]=0x08010002; //request header code
cmdbuf[1]=32; cmdbuf[1]=32;
Result ret=0; Result ret=0;
if((ret=svcSendSyncRequest(handle)))return ret; if((ret=svcSendSyncRequest(*handle)))return ret;
return cmdbuf[1]; return cmdbuf[1];
} }
Result FSUSER_OpenFile(Handle handle, Handle* out, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes) //archive needs to have been opened Result FSUSER_OpenFile(Handle* handle, Handle* out, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes) //archive needs to have been opened
{ {
if(!handle)handle=&fsuHandle;
u32* cmdbuf=getThreadCommandBuffer(); u32* cmdbuf=getThreadCommandBuffer();
cmdbuf[0]=0x080201C2; cmdbuf[0]=0x080201C2;
@ -32,15 +46,16 @@ Result FSUSER_OpenFile(Handle handle, Handle* out, FS_archive archive, FS_path f
cmdbuf[9]=(u32)fileLowPath.data; cmdbuf[9]=(u32)fileLowPath.data;
Result ret=0; Result ret=0;
if((ret=svcSendSyncRequest(handle)))return ret; if((ret=svcSendSyncRequest(*handle)))return ret;
if(out)*out=cmdbuf[3]; if(out)*out=cmdbuf[3];
return cmdbuf[1]; return cmdbuf[1];
} }
Result FSUSER_OpenFileDirectly(Handle handle, Handle* out, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes) //no need to have archive opened Result FSUSER_OpenFileDirectly(Handle* handle, Handle* out, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes) //no need to have archive opened
{ {
if(!handle)handle=&fsuHandle;
u32* cmdbuf=getThreadCommandBuffer(); u32* cmdbuf=getThreadCommandBuffer();
cmdbuf[0]=0x08030204; cmdbuf[0]=0x08030204;
@ -58,16 +73,17 @@ Result FSUSER_OpenFileDirectly(Handle handle, Handle* out, FS_archive archive, F
cmdbuf[12]=(u32)fileLowPath.data; cmdbuf[12]=(u32)fileLowPath.data;
Result ret=0; Result ret=0;
if((ret=svcSendSyncRequest(handle)))return ret; if((ret=svcSendSyncRequest(*handle)))return ret;
if(out)*out=cmdbuf[3]; if(out)*out=cmdbuf[3];
return cmdbuf[1]; return cmdbuf[1];
} }
Result FSUSER_OpenArchive(Handle handle, FS_archive* archive) Result FSUSER_OpenArchive(Handle* handle, FS_archive* archive)
{ {
if(!archive)return -2; if(!archive)return -2;
if(!handle)handle=&fsuHandle;
u32* cmdbuf=getThreadCommandBuffer(); u32* cmdbuf=getThreadCommandBuffer();
cmdbuf[0]=0x080C00C2; cmdbuf[0]=0x080C00C2;
@ -78,7 +94,7 @@ Result FSUSER_OpenArchive(Handle handle, FS_archive* archive)
cmdbuf[5]=(u32)archive->lowPath.data; cmdbuf[5]=(u32)archive->lowPath.data;
Result ret=0; Result ret=0;
if((ret=svcSendSyncRequest(handle)))return ret; if((ret=svcSendSyncRequest(*handle)))return ret;
archive->handleLow=cmdbuf[2]; archive->handleLow=cmdbuf[2];
archive->handleHigh=cmdbuf[3]; archive->handleHigh=cmdbuf[3];
@ -86,8 +102,9 @@ Result FSUSER_OpenArchive(Handle handle, FS_archive* archive)
return cmdbuf[1]; return cmdbuf[1];
} }
Result FSUSER_OpenDirectory(Handle handle, Handle* out, FS_archive archive, FS_path dirLowPath) Result FSUSER_OpenDirectory(Handle* handle, Handle* out, FS_archive archive, FS_path dirLowPath)
{ {
if(!handle)handle=&fsuHandle;
u32* cmdbuf=getThreadCommandBuffer(); u32* cmdbuf=getThreadCommandBuffer();
cmdbuf[0]=0x080B0102; cmdbuf[0]=0x080B0102;
@ -99,16 +116,17 @@ Result FSUSER_OpenDirectory(Handle handle, Handle* out, FS_archive archive, FS_p
cmdbuf[6]=(u32)dirLowPath.data; cmdbuf[6]=(u32)dirLowPath.data;
Result ret=0; Result ret=0;
if((ret=svcSendSyncRequest(handle)))return ret; if((ret=svcSendSyncRequest(*handle)))return ret;
if(out)*out=cmdbuf[3]; if(out)*out=cmdbuf[3];
return cmdbuf[1]; return cmdbuf[1];
} }
Result FSUSER_CloseArchive(Handle handle, FS_archive* archive) Result FSUSER_CloseArchive(Handle* handle, FS_archive* archive)
{ {
if(!archive)return -2; if(!archive)return -2;
if(!handle)handle=&fsuHandle;
u32* cmdbuf=getThreadCommandBuffer(); u32* cmdbuf=getThreadCommandBuffer();
cmdbuf[0]=0x080E0080; cmdbuf[0]=0x080E0080;
@ -116,7 +134,7 @@ Result FSUSER_CloseArchive(Handle handle, FS_archive* archive)
cmdbuf[2]=archive->handleLow; cmdbuf[2]=archive->handleLow;
Result ret=0; Result ret=0;
if((ret=svcSendSyncRequest(handle)))return ret; if((ret=svcSendSyncRequest(*handle)))return ret;
return cmdbuf[1]; return cmdbuf[1];
} }