/* * Set history and editing status. Called whenever the status may * have changed (figures out what to do). */ void histedit(void) { FILE *el_err; #define editing (Eflag || Vflag) if (iflag == 1) { if (!hist) { /* * turn history on */ INTOFF; hist = history_init(); INTON; if (hist != NULL) sethistsize(histsizeval()); else out2str("sh: can't initialize history\n"); } if (editing && !el && isatty(0)) { /* && isatty(2) ??? */ /* * turn editing on */ char *term, *shname; INTOFF; if (el_in == NULL) el_in = fdopen(0, "r"); if (el_out == NULL) el_out = fdopen(2, "w"); if (el_in == NULL || el_out == NULL) goto bad; el_err = el_out; #if DEBUG if (tracefile) el_err = tracefile; #endif term = lookupvar("TERM"); if (term) setenv("TERM", term, 1); else unsetenv("TERM"); shname = arg0; if (shname[0] == '-') shname++; el = el_init(shname, el_in, el_out, el_err); if (el != NULL) { if (hist) el_set(el, EL_HIST, history, hist); el_set(el, EL_PROMPT, getprompt); el_set(el, EL_SIGNAL, 1); el_set(el, EL_ALIAS_TEXT, alias_text, NULL); el_set(el, EL_ADDFN, "rl-complete", "ReadLine compatible completion function", _el_fn_complete); } else { bad: out2str("sh: can't initialize editing\n"); } INTON; } else if (!editing && el) { INTOFF; el_end(el); el = NULL; INTON; } if (el) { el_source(el, NULL); if (Vflag) el_set(el, EL_EDITOR, "vi"); else if (Eflag) el_set(el, EL_EDITOR, "emacs"); el_set(el, EL_BIND, "^I", tabcomplete ? "rl-complete" : "ed-insert", NULL); } } else { INTOFF; if (el) { /* no editing if not interactive */ el_end(el); el = NULL; } if (hist) { history_end(hist); hist = NULL; } INTON; } }
/* * Set history and editing status. Called whenever the status may * have changed (figures out what to do). */ void histedit(void) { #define editing (Eflag || Vflag) if (iflag) { if (!hist) { /* * turn history on */ INTOFF; hist = history_init(); INTON; if (hist != NULL) sethistsize(histsizeval()); else out2fmt_flush("sh: can't initialize history\n"); } if (editing && !el && isatty(0)) { /* && isatty(2) ??? */ /* * turn editing on */ char *term; INTOFF; if (el_in == NULL) el_in = fdopen(0, "r"); if (el_err == NULL) el_err = fdopen(1, "w"); if (el_out == NULL) el_out = fdopen(2, "w"); if (el_in == NULL || el_err == NULL || el_out == NULL) goto bad; term = lookupvar("TERM"); if (term) { if (setenv("TERM", term, 1) == -1) error("setenv: cannot set TERM=1"); } else unsetenv("TERM"); el = el_init(arg0, el_in, el_out, el_err); if (el != NULL) { if (hist) el_set(el, EL_HIST, history, hist); el_set(el, EL_PROMPT, getprompt); el_set(el, EL_ADDFN, "rl-complete", "ReadLine compatible completion function", _el_fn_complete); } else { bad: out2fmt_flush("sh: can't initialize editing\n"); } INTON; } else if (!editing && el) { INTOFF; el_end(el); el = NULL; INTON; } if (el) { if (Vflag) el_set(el, EL_EDITOR, "vi"); else if (Eflag) el_set(el, EL_EDITOR, "emacs"); el_set(el, EL_BIND, "^I", tabcomplete ? "rl-complete" : "ed-insert", NULL); el_source(el, NULL); } } else { INTOFF; if (el) { /* no editing if not interactive */ el_end(el); el = NULL; } if (hist) { history_end(hist); hist = NULL; } INTON; } }
/* * Set history and editing status. Called whenever the status may * have changed (figures out what to do). */ void histedit(void) { #define editing (Eflag || Vflag) if (iflag) { if (!hist) { /* * turn history on */ INTOFF; hist = history_init(); INTON; if (hist != NULL) sethistsize(histsizeval()); else out2fmt_flush("sh: can't initialize history\n"); } if (editing && !el && isatty(0)) { /* && isatty(2) ??? */ /* * turn editing on */ char *term; INTOFF; if (el_in == NULL) el_in = fdopen(0, "r"); if (el_out == NULL) el_out = fdopen(2, "w"); if (el_in == NULL || el_out == NULL) goto bad; term = lookupvar("TERM"); if (term) setenv("TERM", term, 1); else unsetenv("TERM"); el = el_init(arg0, el_in, el_out, el_out); if (el != NULL) { if (hist) el_set(el, EL_HIST, history, hist); el_set(el, EL_PROMPT, getprompt); el_set(el, EL_ADDFN, "sh-complete", "Filename completion", _el_fn_sh_complete); } else { bad: out2fmt_flush("sh: can't initialize editing\n"); } INTON; } else if (!editing && el) { INTOFF; el_end(el); el = NULL; INTON; } if (el) { if (Vflag) el_set(el, EL_EDITOR, "vi"); else if (Eflag) el_set(el, EL_EDITOR, "emacs"); /* * Set CTRL+R to history search for compatibility with * other operating systems' default shells. */ el_set(el, EL_BIND, "^R", "em-inc-search-prev", NULL); el_set(el, EL_BIND, "^I", "sh-complete", NULL); el_source(el, NULL); } } else { INTOFF; if (el) { /* no editing if not interactive */ el_end(el); el = NULL; } if (hist) { history_end(hist); hist = NULL; } INTON; } }
/* * Set history and editing status. Called whenever the status may * have changed (figures out what to do). */ void histedit() { #define editing (Eflag || Vflag) if (iflag) { if (!hist) { /* * turn history on */ INTOFF; hist = history_init(); INTON; if (hist != NULL) sethistsize(histsizeval()); else out2str("sh: can't initialize history\n"); } if (editing && !el && isatty(0)) { /* && isatty(2) ??? */ /* * turn editing on */ INTOFF; if (el_in == NULL) el_in = fdopen(0, "r"); if (el_out == NULL) el_out = fdopen(2, "w"); if (el_in == NULL || el_out == NULL) goto bad; el = el_init(arg0, el_in, el_out); if (el != NULL) { if (hist) el_set(el, EL_HIST, history, hist); el_set(el, EL_PROMPT, getprompt); } else { bad: out2str("sh: can't initialize editing\n"); } INTON; } else if (!editing && el) { INTOFF; el_end(el); el = NULL; INTON; } if (el) { if (Vflag) el_set(el, EL_EDITOR, "vi"); else if (Eflag) el_set(el, EL_EDITOR, "emacs"); } } else { INTOFF; if (el) { /* no editing if not interactive */ el_end(el); el = NULL; } if (hist) { history_end(hist); hist = NULL; } INTON; } }
/* * Set history and editing status. Called whenever the status may * have changed (figures out what to do). */ void histedit(void) { #define editing (Eflag || Vflag) if (iflag) { if (!hist) { /* * turn history on */ INTOFF; hist = history_init(); INTON; if (hist != NULL) sethistsize(histsizeval()); else out2str("sh: can't initialize history\n"); } if (editing && !el && isatty(0)) { /* && isatty(2) ??? */ /* * turn editing on */ INTOFF; if (el_in == NULL) el_in = fdopen(0, "r"); if (el_err == NULL) el_err = fdopen(1, "w"); if (el_out == NULL) el_out = fdopen(2, "w"); if (el_in == NULL || el_err == NULL || el_out == NULL) goto bad; el = el_init(arg0, el_in, el_out, el_err); if (el != NULL) { if (hist) el_set(el, EL_HIST, history, hist); el_set(el, EL_PROMPT, getprompt); } else { bad: out2str("sh: can't initialize editing\n"); } INTON; } else if (!editing && el) { INTOFF; el_end(el); el = NULL; INTON; } if (el) { if (Vflag) el_set(el, EL_EDITOR, "vi"); else if (Eflag) el_set(el, EL_EDITOR, "emacs"); el_set(el, EL_ADDFN, "ed-do-complete", "Complete Argument", complete); el_set(el, EL_ADDFN, "ed-list-complete", "List Argument Completions", complete_list); el_set(el, EL_ADDFN, "ed-maybe-complete", "Complete Argument Or List Completions", complete_or_list); el_set(el, EL_ADDFN, "ed-expand", "Expand Completions", complete_expand); el_set(el, EL_BIND, "^I", "ed-maybe-complete", NULL); el_set(el, EL_BIND, "-a", "=", "ed-list-complete", NULL); el_set(el, EL_BIND, "-a", "\\\\", "ed-do-complete", NULL); el_set(el, EL_BIND, "-a", "*", "ed-expand", NULL); el_source(el, NULL); } } else { INTOFF; if (el) { /* no editing if not interactive */ el_end(el); el = NULL; } if (hist) { history_end(hist); hist = NULL; } INTON; } }