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Club Amiga de Montreal - CAM
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182.lha
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CShell_v3.0a
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main.c
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C/C++ Source or Header
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1988-04-28
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5KB
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187 lines
/*
* MAIN.C
*
* Matthew Dillon, 24 Feb 1986
* (c)1986 Matthew Dillon 9 October 1986
*
* Version 2.07M by Steve Drew 10-Sep-87
*
* Version 3.00A by Carlo Borreo & Cesare Dieni 30-Oct-88
*
*/
char *shellctr="CshCounter";
extern char *v_titlebar, *v_prompt, *v_hist, *v_lasterr, *v_path;
int aux; /* for use with aux: driver */
char *oldtitle;
char trueprompt[100];
char Inline[260];
struct IntuitionBase *IntuitionBase;
struct Window *w;
struct ArpBase *ArpBase;
main(argc, argv)
register char *argv[];
{
#if RAW_CONSOLE
char *rawgets();
#endif
register unsigned int i;
extern int Enable_Abort;
char buf[10];
ArpBase=(struct ArpBase *)OpenLibrary("arp.library",34L);
if (ArpBase==NULL) { printf("No arp library\n"); exit(0); }
Forbid();
i=Errno=0;
if (Getenv(shellctr,buf,10L)) {
i=(int)(long)Atol(buf);
if (Errno) i=0;
}
sprintf(buf,"%d",i+1);
Setenv(shellctr,buf);
Permit();
IntuitionBase=(struct IntuitionBase *)ArpBase->IntuiBase;
w=IntuitionBase->ActiveWindow;
oldtitle=(char *)(w->Title);
set_var(LEVEL_SET, v_titlebar, "CShell V3.00A");
set_var(LEVEL_SET, v_prompt,
(IsInteractive(Input())) ? "\23337m%p> \2330m" : "");
set_var(LEVEL_SET, v_hist, "20");
set_var(LEVEL_SET, v_lasterr, "0");
set_var(LEVEL_SET, v_path, "RAM:,RAM:c/,df0:c/,df1:c/,df0:,df1:,sys:system/");
set_var(LEVEL_SET, "_insert", "1");
set_var(LEVEL_SET, "f1", "cdir df0:\15");
set_var(LEVEL_SET, "F1", "cdir df1:\15");
set_var(LEVEL_SET, "f3", "cdir RAM:\15");
set_var(LEVEL_SET, "F3", "cdir vd0:\15");
set_var(LEVEL_SET, "f4", "cd df0:\15");
set_var(LEVEL_SET, "F4", "cd df1:\15");
set_var(LEVEL_SET, "f5", "cls; ls\15");
set_var(LEVEL_SET, "F5", "cdir ");
set_var(LEVEL_SET, "f6", "lc\15");
set_var(LEVEL_SET, "f7", "info\15");
set_var(LEVEL_SET, "F7", "assign \15");
set_var(LEVEL_SET, "f8", "window -lf\15");
set_var(LEVEL_SET, "F8", "window -sb\15");
set_var(LEVEL_SET, "f10", "cls\15");
set_var(LEVEL_SET, "F10", "exit\15");
set_var(LEVEL_ALIAS, "cls", "echo -n ^l");
set_var(LEVEL_ALIAS, "lc", "ls -s");
set_var(LEVEL_ALIAS, "kr", "rm -r RAM:* >NIL:");
set_var(LEVEL_ALIAS, "cdir", "%q cd $q; cls; dir");
set_var(LEVEL_ALIAS, "exit", "endcli;quit");
set_var(LEVEL_ALIAS, "lp", "cat >PRT:");
init();
seterr();
do_pwd(NULL); /* set $_cwd */
Enable_Abort = 0;
for (i = 1; i < argc; ++i) {
if (!strcmp(argv[i],"-c")) {
Inline[0] = ' ';
Inline[1] = '\0';
while (++i < argc)
{ strcat(Inline,argv[i]); strcat(Inline," "); }
exec_command(Inline);
main_exit(Lastresult);
}
if (!strcmp(argv[i],"-a")) { aux = 1; continue; }
sprintf (Inline, "source %s",argv[i]);
av[1] = argv[i];
do_source (Inline);
}
for (;;) {
if (breakcheck())
while (WaitForChar(Input(), 100L) || stdin->_bp < stdin->_bend)
gets(Inline);
clearerr(stdin); /* prevent acidental quit */
#if RAW_CONSOLE
if (Quit || !rawgets(Inline, disable ? "_ " : trueprompt)) main_exit(0);
#else
printf("%s", disable ? "_ " : trueprompt);
fflush(stdout);
if (Quit || !gets(Inline)) main_exit(0);
#endif
breakreset();
if (*Inline) exec_command(Inline);
}
}
main_exit(n)
{
register unsigned short i;
char buf[10];
Getenv(shellctr,buf,10L);
i=(int)Atol(buf);
sprintf(buf,"%d",i-1);
Setenv(shellctr,buf);
SetWindowTitles(w,oldtitle,-1L);
for (i=1; i<MAXMYFILES; i++) myclose(i);
ArpExit(0L,0L); /* Intuition need not to be closed */
}
init()
{
static char pipe1[32], pipe2[32];
stdin->_flags |= 0x80; /* make sure we're set as a tty */
stdout->_flags |= 0x80; /* in case of redirection in .login */
#if RAW_CONSOLE
printf("\23312{"); /* enable window resize reports */
#endif
Close(_devtab[2].fd);
_devtab[2].mode |= O_STDIO;
_devtab[2].fd = _devtab[1].fd; /* set stderr to Output() otherwise */
/* don't work with aux driver */
Myprocess = (struct Process *)FindTask(0L);
Mycli=(struct CommandLineInterface *)((long)Myprocess->pr_CLI << 2);
Pipe1 = pipe1;
Pipe2 = pipe2;
sprintf(pipe1, "ram:pipe1_%ld", Myprocess);
sprintf(pipe2, "ram:pipe2_%ld", Myprocess);
}
breakcheck()
{
return (int)(SetSignal(0L,0L) & SIGBREAKF_CTRL_C);
}
breakreset()
{
SetSignal(0L, SIGBREAKF_CTRL_C);
}
dobreak()
{
if (breakcheck()) { printf("^C\n"); return(1); }
return(0);
}
/* this routine causes manx to use this Chk_Abort() rather than it's own */
/* otherwise it resets our ^C when doing any I/O (even when Enable_Abort */
/* is zero). Since we want to check for our own ^C's */
Chk_Abort()
{
return(0);
}
_wb_parse()
{
}
do_howmany()
{
char buf[10];
Getenv(shellctr, buf, 10L);
printf("Shell(s) running: %s\n",buf);
}