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core: slightly better integration of BFile calls

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Lephe 2020-02-19 23:09:06 +01:00
parent 32aef78600
commit d655aa934f
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2 changed files with 35 additions and 32 deletions
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61
include/gint/bfile.h
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@ -53,8 +53,7 @@ int BFile_Open(uint16_t const *file, enum BFile_OpenMode mode);
int BFile_Close(int fd);
/* BFile_Size(): Retrieve size of an open file
@fd File descriptor
@fd Open file descriptor
Returns the file size in bytes, or a negative BFile error code*/
int BFile_Size(int fd);
@ -84,40 +83,42 @@ int BFile_Write(int fd, void const *data, int even_size);
Returns a BFile error code. */
int BFile_Read(int handle, void *data, int size, int whence);
/* BFile_FindFirst(): Search a directory for file with matching name.
Doesn't work on Main memory.
Only four search handle can be opened, you need to close them to be able to reuse them.
Search is NOT case sensitive and * can be used to match any string.
/* BFile_FindFirst(): Search a directory for file with matching name
Doesn't work on Main memory. Only four search handle can be opened, you need
to close them to be able to reuse them. Search is NOT case sensitive and *
can be used as a wildcard.
@search FONTCHARACTER file path to match
@shandle Search handle to pass to BFile_FindNext or BFile_FindClose
@founfile FONTCHARACTER found file path
@fileinfo Structure containing a lot of information on the found file
Return 0 on success, -1 if no file found, or negative value on error. */
typedef struct tag_FILE_INFO
@search FONTCHARACTER file path to match
@shandle Search handle to pass to BFile_FindNext or BFile_FindClose
@founfile FONTCHARACTER found file path
@fileinfo Structure containing a lot of information on the found file
Returns 0 on success, -1 if no file found, or negative value on error. */
struct BFile_FileInfo
{
unsigned short id; //file index
unsigned short type; //file type
unsigned long fsize; //file size
unsigned long dsize; //date size (file - header)
unsigned int property; //if 0 file complete
unsigned long adress; //top adress of data (direct access is unadvised)
} FILE_INFO;
int BFile_FindFirst(uint16_t const *search, int *shandle, uint16_t *foundfile, FILE_INFO *fileinfo);
uint16_t index;
uint16_t type;
uint32_t file_size;
/* Data size (file size minus the header) */
uint32_t data_size;
/* Is 0 if the file is complete */
uint32_t property;
/* Address of first fragmented (do not use directly) */
uint32_t address;
};
int BFile_FindFirst(uint16_t const *search, int *shandle, uint16_t *foundfile,
struct BFile_FileInfo *fileinfo);
/* BFile_FindNext(): Continue a search a directory for file with matching name.
Only four search handle can be opened, u need to close them to be able to reuse them.
/* BFile_FindNext(): Continue a search a directory for file with matching name
@shandle Search handle from BFile_FindFirst
@founfile FONTCHARACTER found file path
@fileinfo Structure containing a lot of information on the found file
Return 0 on success, -1 if no file found, or negative value on error. */
int BFile_FindNext(int shandle, uint16_t *foundfile, FILE_INFO *fileinfo);
@shandle Search handle from BFile_FindFirst
@founfile FONTCHARACTER found file path
@fileinfo Structure containing a lot of information on the found file
Returns 0 on success, -1 if end is reached, or negative value on error. */
int BFile_FindNext(int shandle, uint16_t *foundfile,
struct BFile_FileInfo *fileinfo);
/* BFile_FindClose(): Close the specified search handle
Only four search handle can be opened, u need to close them to be able to reuse them.
@shandle Search handle from BFile_FindFirst
@shandle Search handle from BFile_FindFirst
Return 0 on success or negative value on error. */
int BFile_FindClose(int shandle);

6
src/core/syscalls.S
View file

@ -87,11 +87,13 @@ _BFile_Write:
_BFile_Read:
syscall(0x0432)
# int BFile_FindFirst(uint16_t const *search, int *shandle, uint16_t *foundfile, FILE_INFO *fileinfo)
# int BFile_FindFirst(uint16_t const *search, int *shandle,
# uint16_t *foundfile, struct BFile_FileInfo *fileinfo)
_BFile_FindFirst:
syscall(0x043b)
# int BFile_FindNext(int shandle, uint16_t *foundfile, FILE_INFO *fileinfo)
# int BFile_FindNext(int shandle, uint16_t *foundfile,
# struct BFile_FileInfo *fileinfo)
_BFile_FindNext:
syscall(0x043c)