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Diffstat (limited to 'systems/knuth/local/GPCtypes.h')
-rw-r--r-- | systems/knuth/local/GPCtypes.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/systems/knuth/local/GPCtypes.h b/systems/knuth/local/GPCtypes.h new file mode 100644 index 0000000000..59196bcfa8 --- /dev/null +++ b/systems/knuth/local/GPCtypes.h @@ -0,0 +1,108 @@ +/* some typedefs to allow C extensions in GPC programs */ +#include <stdio.h> + +typedef enum {FALSE, TRUE} bool; +typedef struct Fdr* FDR; +typedef int (*t_InFunc) (void *, char *, int, int *); +typedef int (*t_OutFunc)(void *, const char *, int, int *); +typedef enum { foReset, foRewrite, foAppend, foSeekRead, foSeekWrite, foSeekUpdate } TOpenMode; +typedef void (*TOpenProc) (void *, TOpenMode); +typedef size_t (*TReadFunc) (void *, char *, size_t); +typedef size_t (*TWriteFunc) (void *, const char *, size_t); +typedef void (*TFlushProc) (void *); +typedef void (*TCloseProc) (void *); +typedef void (*TDoneProc) (void *); + +typedef long long int UnixTimeType; /* This is hard-coded in the compiler. Do not change here. */ +#define FILE_BUFSIZE 1024 + +typedef struct { + int Capacity; + int length; + char string [256]; /* the length is actually variable */ +} STRING; + +typedef struct +{ + char Bound; + char Force; + char Extensions_valid; + char Readable; + char Writable; + char Executable; + char Existing; + char Directory; + long long int Size; + UnixTimeType AccessTime; + UnixTimeType ModificationTime; + UnixTimeType ChangeTime; + int Error; + FILE *CFile; + STRING Name; +} GPC_BINDING; + +struct Fdr { + unsigned char *FilBuf; /* address of the file buffer in heap */ + int FilSta; /* status bits; see below */ + int FilSiz; /* buffer size: if packed then in bits else bytes */ + /* THE ABOVE FIELDS ACCESSED BY COMPILER */ + /* The fields below are used only by RTS */ + /* Internal buffering and used for ReadStr/WriteStr */ + unsigned char *BufPtr; /* NOT the Standard Pascal file buffer, that is (*FilBuf) */ + int BufSize; + int BufPos; + int Flags; + char *FilNam; /* Internal name of the file */ + char *ExtNam; /* External name of the file */ + FILE *FilJfn; /* FILE pointer */ + int RtsSta; /* run time system status bits */ + FDR NxtFdr; /* FDR chain pointer */ + GPC_BINDING *Binding; /* Binding of the file */ + char *BoundName; /* Name the binding refers to as a CString */ + int BindingChanged; + t_InFunc hack_InFunc; + t_OutFunc hack_OutFunc; + void *PrivateData; + TOpenProc OpenProc; + TReadFunc ReadFunc; + TWriteFunc WriteFunc; + TFlushProc FlushProc; + TCloseProc CloseProc; + TDoneProc DoneProc; + unsigned char InternalBuffer [FILE_BUFSIZE]; /* NOT the Standard Pascal file buffer, that is (*FilBuf) */ +}; + +/* FilSta bit definitions */ + +#define FiUnd (1 << 0) /* File buffer is totally undefined */ +#define FiEof (1 << 2) /* End of file is true */ +#define FiEln (1 << 3) /* End of line is true. Textfiles only */ +#define FiTxt (1 << 4) /* It's a TEXT file */ +#define FiExt (1 << 5) /* External file */ +#define FiExtB (1 << 6) /* External or bound file */ +#define FiPck (1 << 7) /* Packed file */ +#define FiClr (1 << 8) /* Empty file */ +#define FiLzy (1 << 9) /* This file is lazy */ +#define FiEofOK (1 << 10) /* Internal flag if FiUnd is set: Accept EOF without EOLN */ +#define FiDacc (1 << 11) /* This is a direct access file */ +#define FiLget (1 << 12) /* Must do a get before buffer reference (Lazy I/O) */ +#define FiByte (1 << 13) /* File buffer is actually one byte size */ +#define FiBindable (1 << 15) /* File is bindable */ + +/* RtsSta bit definitions */ + +#define FiNOP 0 /* File has not been opened */ +#define FiRONLY (1 << 0) /* File opened but is read only */ +#define FiORE (1 << 1) /* File open for reading */ +#define FiWRI (1 << 2) /* File open for writing */ +#define FiRND (1 << 3) /* File open for random access */ +#define FiWONLY (1 << 4) /* File opened but is write only */ +/* RtsSta: Device specific bits */ +#define FiTTY (1 << 10) /* TTY: flush output before GET */ +#define FiSEEK (1 << 12) /* File is seekable */ +#define FiSIZEK (1 << 13) /* Size of file is known */ +#define FiFLUSH (1 << 14) /* flush after write */ + +extern int _p_argc; /* argument count on command line */ +extern char **_p_argv; /* argument vector on command line */ +extern char **_p_envp; /* environment vector */ |