/*
 * GLOBALS.C
 *
 * (c)1986 Matthew Dillon     9 October 1986
 *
 *
 *    Most global variables.
 *
 */

#include "shell.h"

struct HIST *H_head, *H_tail;                   /* HISTORY lists      */

struct PERROR Perror[] = {                      /* error code->string */
   103,  "insufficient free storage",
   105,  "task table full",
   120,  "argument line invalid or too long",
   121,  "file is not an object module",
   122,  "invalid resident library during load",
   201,  "no default directory",
   202,  "object in use",
   203,  "object already exists",
   204,  "directory not found",
   205,  "object not found",
   206,  "bad stream name",
   207,  "object too large",
   209,  "action not known",
   210,  "invalid stream component name",
   211,  "invalid object lock",
   212,  "object not of required type",
   213,  "disk not validated",
   214,  "disk write protected",
   215,  "rename across devices",
   216,  "directory not empty",
   217,  "too many levels",
   218,  "device not mounted",
   219,  "seek error",
   220,  "comment too long",
   221,  "disk full",
   222,  "file delete protected",
   223,  "file write protected",
   224,  "file read protected",
   225,  "not a DOS disk",
   226,  "no disk",
   232,  "no more entries in directory",

   /* custom error messages */

   500,  "bad arguments",
   501,  "label not found",
   502,  "must be within source file",
   503,  "Syntax Error",
   504,  "redirection error",
   505,  "pipe error",
   506,  "too many arguments",
   507,  "destination not a directory",
   508,  "cannot mv a filesystem",
     0,  NULL
};

char  *av[MAXAV];             /* Internal argument list                 */
int   Src_base[MAXSRC];       /* file pointers for source files         */
long  Src_pos[MAXSRC];        /* seek position storage for same         */
char  If_base[MAXIF];         /* If/Else stack for conditionals         */
short H_len, H_tail_base;     /* History associated stuff               */
short H_stack;                /* AddHistory disable stack               */
short E_stack;                /* Exception disable stack                */
short Src_stack, If_stack;    /* Stack Indexes                          */
short ac;                     /* Internal argc                          */
short Debug;                  /* Debug mode                             */
short Disable;                /* Disable com. execution (conditionals)  */
short Verbose;                /* Verbose mode for source files          */
long  Lastresult;             /* Last return code                       */
short Exec_abortline;         /* flag to abort rest of line             */
short Exec_ignoreresult;      /* flag to ignore result                  */
short Quit;                   /* Quit flag                              */
long  Cout, Cin, Cerr;        /* Current input and output file handles  */
long  Cout_append;            /* append flag for Cout                   */
long  Uniq;                   /* unique value                           */
char  *Cin_name, *Cout_name;  /* redirection input/output name or NULL  */
char  *Pipe1, *Pipe2;         /* the two pipe temp. files               */

short S_histlen = 20;         /* Max # history entries                  */