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#include <string.h>
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#include <string.h>
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#include "doserr.h"
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#include "doserr.h"
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#include "env.h"
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#include "env.h"
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#include "helpers.h"
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#include "helpers.h"
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#include "rmodinit.h"
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#define BUFFER_SIZE 2048    /* make sure this is not bigger than the static buffer in command.c */
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#define BUFFER_SIZE 2048    /* make sure this is not bigger than the static buffer in command.c */
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struct cmd_funcparam {
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struct cmd_funcparam {
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  int argc;                 /* number of arguments */
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  int argc;                 /* number of arguments */
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  const char *argv[256];    /* pointers to each argument */
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  const char *argv[256];    /* pointers to each argument */
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  unsigned short env_seg;   /* segment of environment block */
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  unsigned short env_seg;   /* segment of environment block */
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  unsigned short rmod_seg;  /* segment of the resident module */
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  unsigned short argoffset; /* offset of cmdline where first argument starts */
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  unsigned short argoffset; /* offset of cmdline where first argument starts */
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  const char far *cmdline;  /* original cmdline (terminated by \r) */
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  const char far *cmdline;  /* original cmdline (terminated by a NULL) */
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  char BUFFER[BUFFER_SIZE]; /* a buffer for whatever is needed */
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  char BUFFER[BUFFER_SIZE]; /* a buffer for whatever is needed */
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};
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};
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/* scans argv for the presence of a "/?" parameter. returns 1 if found, 0 otherwise */
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/* scans argv for the presence of a "/?" parameter. returns 1 if found, 0 otherwise */
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static int cmd_ishlp(const struct cmd_funcparam *p) {
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static int cmd_ishlp(const struct cmd_funcparam *p) {
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#include "cmd/cls.c"
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#include "cmd/cls.c"
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#include "cmd/copy.c"
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#include "cmd/copy.c"
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#include "cmd/del.c"
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#include "cmd/del.c"
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#include "cmd/vol.c"     /* must be included before dir.c due to dependency */
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#include "cmd/vol.c"     /* must be included before dir.c due to dependency */
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#include "cmd/dir.c"
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#include "cmd/dir.c"
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#include "cmd/echo.c"
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#include "cmd/exit.c"
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#include "cmd/exit.c"
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#include "cmd/mkdir.c"
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#include "cmd/mkdir.c"
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#include "cmd/path.c"
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#include "cmd/path.c"
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#include "cmd/pause.c"
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#include "cmd/pause.c"
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#include "cmd/prompt.c"
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#include "cmd/prompt.c"
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  {"COPY",    cmd_copy},
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  {"COPY",    cmd_copy},
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  {"CTTY",    cmd_notimpl},
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  {"CTTY",    cmd_notimpl},
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  {"DATE",    cmd_notimpl},
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  {"DATE",    cmd_notimpl},
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  {"DEL",     cmd_del},
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  {"DEL",     cmd_del},
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  {"DIR",     cmd_dir},
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  {"DIR",     cmd_dir},
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  {"ECHO",    cmd_notimpl},
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  {"ECHO",    cmd_echo},
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  {"ERASE",   cmd_del},
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  {"ERASE",   cmd_del},
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  {"EXIT",    cmd_exit},
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  {"EXIT",    cmd_exit},
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  {"LH",      cmd_notimpl},
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  {"LH",      cmd_notimpl},
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  {"LOADHIGH",cmd_notimpl},
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  {"LOADHIGH",cmd_notimpl},
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  {"MD",      cmd_mkdir},
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  {"MD",      cmd_mkdir},
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  argvlist[argc] = NULL;
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  argvlist[argc] = NULL;
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  return(argc);
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  return(argc);
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}
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}
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int cmd_process(unsigned short env_seg, const char far *cmdline, char *BUFFER) {
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int cmd_process(unsigned short rmod_seg, unsigned short env_seg, const char far *cmdline, char *BUFFER) {
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  const struct CMD_ID *cmdptr;
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  const struct CMD_ID *cmdptr;
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  unsigned short argoffset;
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  unsigned short argoffset;
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  struct cmd_funcparam *p = (void *)BUFFER;
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  struct cmd_funcparam *p = (void *)BUFFER;
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  /* special case: is this a drive change? (like "E:") */
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  /* special case: is this a drive change? (like "E:") */
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  /* printf("recognized internal command: '%s', tail of command at offset %u\r\n", cmdptr->cmd, argoffset); */
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  /* printf("recognized internal command: '%s', tail of command at offset %u\r\n", cmdptr->cmd, argoffset); */
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  /* prepare function parameters and feed it to the cmd handling function */
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  /* prepare function parameters and feed it to the cmd handling function */
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  p->argc = cmd_explode(BUFFER + sizeof(*p), cmdline + argoffset, p->argv);
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  p->argc = cmd_explode(BUFFER + sizeof(*p), cmdline + argoffset, p->argv);
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  p->env_seg = env_seg;
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  p->env_seg = env_seg;
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  p->rmod_seg = rmod_seg;
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  p->argoffset = argoffset;
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  p->argoffset = argoffset;
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  p->cmdline = cmdline;
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  p->cmdline = cmdline;
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  return((cmdptr->func_ptr)(p));
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  return((cmdptr->func_ptr)(p));
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}
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}