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/*
* system.h
*
* Type Definition & Function Prototype Declaration for "system.c"
*/
#ifdef BASHSTYLE
#define ERRBREAK continue
#else
#define ERRBREAK break
#endif
#define RET_SUCCESS 0
#define RET_FAIL 1
#define RET_SYNTAXERR 2
#define RET_FATALERR 2
#ifdef SIGINT
#define RET_INTR (SIGINT + 128)
#else
#define RET_INTR (2 + 128)
#endif
#define RET_NOTEXEC 126
#define RET_NOTFOUND 127
#define RET_NOTICE 255
#if MSDOS || defined (DEBUG)
#define DOSCOMMAND
#endif
typedef struct _redirectlist {
int fd;
char *filename;
u_char type;
int new;
int old;
#if defined (FD) && !defined (_NODOSDRIVE)
char *fakepipe;
int dosfd;
#endif
struct _redirectlist *next;
} redirectlist;
#define MD_NORMAL 000
#define MD_READ 001
#define MD_WRITE 002
#define MD_RDWR 003
#define MD_APPEND 004
#define MD_FILEDESC 010
#define MD_WITHERR 020
#define MD_HEREDOC 040
typedef struct _command_t {
hashlist *hash;
int argc;
char **argv;
redirectlist *redp;
u_char type;
u_char id;
} command_t;
#define CT_STATEMENT 0001
#define CT_NONE 0002
#define CT_BUILTIN 0003
#define CT_COMMAND 0004
#define CT_FUNCTION 0005
#define CT_ALIAS 0006
#define CT_LOGDRIVE 0007
#ifdef FD
#define CT_FDORIGINAL 0100
#define CT_FDINTERNAL 0200
#endif
#define SM_IF 001
#define SM_THEN 002
#define SM_ELIF 003
#define SM_ELSE 004
#define SM_FI 005
#define SM_WHILE 006
#define SM_UNTIL 007
#define SM_DO 010
#define SM_DONE 011
#define SM_FOR 012
#define SM_IN 013
#define SM_CASE 014
#define SM_INCASE 015
#define SM_RPAREN 016
#define SM_CASEEND 017
#define SM_ESAC 020
#define SM_LPAREN 021
#define SM_FUNC 022
#define SM_LIST 023
#define SM_LISTEND 024
#define SM_ANOTHER 075
#define SM_CHILD 076
#define SM_STATEMENT 077
#define isstatement(comm) ((comm) && (comm) -> type == CT_STATEMENT)
#define notstatement(comm) ((comm) && (comm) -> type != CT_STATEMENT)
#define isbuiltin(comm) ((comm) && (comm) -> type == CT_BUILTIN)
#define iscommand(comm) ((comm) && (comm) -> type == CT_COMMAND)
#define ischild(comm) ((comm) && (comm) -> type == CT_STATEMENT \
&& (comm) -> id == SM_CHILD)
typedef struct _syntaxtree {
command_t *comm;
struct _syntaxtree *parent;
struct _syntaxtree *next;
u_char flags;
} syntaxtree;
#define ST_TYPE 0007
#define ST_CONT 0070
#define ST_META 0010
#define ST_QUOT 0020
#define ST_STAT 0040
#define ST_NODE 0100
#define ST_NEXT 0200
#define OP_NONE 0
#define OP_FG 1
#define OP_BG 2
#define OP_AND 3
#define OP_OR 4
#define OP_PIPE 5
#define OP_NOT 6
typedef struct _shbuiltintable {
int (NEAR *func)__P_((syntaxtree *));
char *ident;
u_char flags;
} shbuiltintable;
#define BT_NOGLOB 0001
#define BT_RESTRICT 0002
#define SMPREV 4
typedef struct _statementtable {
int (NEAR *func)__P_((syntaxtree *));
char *ident;
u_char type;
u_char prev[SMPREV];
} statementtable;
#define STT_TYPE 0017
#define STT_FOR 0001
#define STT_CASE 0002
#define STT_IN 0003
#define STT_INCASE 0004
#define STT_CASEEND 0005
#define STT_LIST 0006
#define STT_LPAREN 0007
#define STT_FUNC 0010
#define STT_NEEDLIST 0020
#define STT_NEEDIDENT 0040
#define STT_NEEDNONE 0100
#define STT_NEEDCOMM 0200
typedef struct _opetable {
u_char op;
u_char level;
char *symbol;
} opetable;
typedef struct _pipelist {
char *file;
FILE *fp;
int fd;
int new;
int old;
int ret;
long pid;
struct _pipelist *next;
} pipelist;
typedef struct _jobtable {
long *pids;
int *stats;
int npipe;
syntaxtree *trp;
} jobtable;
typedef struct _shfunctable {
char *ident;
syntaxtree *func;
} shfunctable;
typedef struct _aliastable {
char *ident;
char *comm;
u_char flags;
} aliastable;
#define AL_USED 0001
typedef struct _signaltable {
int sig;
int (*func)__P_((VOID_A));
char *ident;
char *mes;
u_char flags;
} signaltable;
#define TR_STAT 0007
#define TR_IGN 0001
#define TR_TERM 0002
#define TR_STOP 0003
#define TR_TRAP 0004
#define TR_BLOCK 0010
#define TR_NOTRAP 0020
#define TR_CATCH 0040
typedef struct _ulimittable {
u_char opt;
int res;
int unit;
char *mes;
} ulimittable;
extern char *ifs_set;
extern char **shellvar;
extern char **envvar;
extern VOID prepareexit __P_((VOID_A));
#ifndef NOJOB
extern VOID killjob __P_((VOID_A));
#endif
extern char *readline __P_((int));
extern syntaxtree *newstree __P_((syntaxtree *));
extern VOID freestree __P_((syntaxtree *));
extern char *getshellvar __P_((char *, int));
extern int putexportvar __P_((char *, int));
extern int putshellvar __P_((char *, int));
extern syntaxtree *analyze __P_((char *, syntaxtree *, int));
#if defined (FD) && !defined (_NOCOMPLETE)
extern int completeshellcomm __P_((char *, int, int, char ***));
#endif
extern int getsubst __P_((int, char **, char ***, int **));
extern char **getsimpleargv __P_((syntaxtree *));
extern int exec_line __P_((char *));
extern int dosystem __P_((char *));
extern FILE *dopopen __P_((char *));
extern int dopclose __P_((FILE *));
extern int execruncom __P_((char *, int));
extern int initshell __P_((int, char *[], char *[]));
extern int shell_loop __P_((int));
extern int main_shell __P_((int, char *[], char *[]));
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