/// @file ex_cmds2.c /// /// Some more functions for command line commands #include #include #include #include #include #include "nvim/arglist.h" #include "nvim/ascii_defs.h" #include "nvim/autocmd.h" #include "nvim/autocmd_defs.h" #include "nvim/buffer.h" #include "nvim/buffer_defs.h" #include "nvim/bufwrite.h" #include "nvim/change.h" #include "nvim/channel.h" #include "nvim/errors.h" #include "nvim/eval.h" #include "nvim/eval/typval.h" #include "nvim/eval/typval_defs.h" #include "nvim/eval/vars.h" #include "nvim/ex_cmds.h" #include "nvim/ex_cmds2.h" #include "nvim/ex_cmds_defs.h" #include "nvim/ex_docmd.h" #include "nvim/ex_getln.h" #include "nvim/fileio.h" #include "nvim/gettext_defs.h" #include "nvim/globals.h" #include "nvim/highlight_defs.h" #include "nvim/macros_defs.h" #include "nvim/mark.h" #include "nvim/memline_defs.h" #include "nvim/memory.h" #include "nvim/message.h" #include "nvim/move.h" #include "nvim/normal.h" #include "nvim/option_vars.h" #include "nvim/os/os_defs.h" #include "nvim/path.h" #include "nvim/pos_defs.h" #include "nvim/quickfix.h" #include "nvim/runtime.h" #include "nvim/types_defs.h" #include "nvim/undo.h" #include "nvim/vim_defs.h" #include "nvim/window.h" #ifdef INCLUDE_GENERATED_DECLARATIONS # include "ex_cmds2.c.generated.h" #endif static const char e_compiler_not_supported_str[] = N_("E666: Compiler not supported: %s"); void ex_ruby(exarg_T *eap) { script_host_execute("ruby", eap); } void ex_rubyfile(exarg_T *eap) { script_host_execute_file("ruby", eap); } void ex_rubydo(exarg_T *eap) { script_host_do_range("ruby", eap); } void ex_python3(exarg_T *eap) { script_host_execute("python3", eap); } void ex_py3file(exarg_T *eap) { script_host_execute_file("python3", eap); } void ex_pydo3(exarg_T *eap) { script_host_do_range("python3", eap); } void ex_perl(exarg_T *eap) { script_host_execute("perl", eap); } void ex_perlfile(exarg_T *eap) { script_host_execute_file("perl", eap); } void ex_perldo(exarg_T *eap) { script_host_do_range("perl", eap); } /// If 'autowrite' option set, try to write the file. /// Careful: autocommands may make "buf" invalid! /// /// @return FAIL for failure, OK otherwise int autowrite(buf_T *buf, bool forceit) { bufref_T bufref; if (!(p_aw || p_awa) || !p_write // never autowrite a "nofile" or "nowrite" buffer || bt_dontwrite(buf) || (!forceit && buf->b_p_ro) || buf->b_ffname == NULL) { return FAIL; } set_bufref(&bufref, buf); int r = buf_write_all(buf, forceit); // Writing may succeed but the buffer still changed, e.g., when there is a // conversion error. We do want to return FAIL then. if (bufref_valid(&bufref) && bufIsChanged(buf)) { r = FAIL; } return r; } /// Flush all buffers, except the ones that are readonly or are never written. void autowrite_all(void) { if (!(p_aw || p_awa) || !p_write) { return; } FOR_ALL_BUFFERS(buf) { if (bufIsChanged(buf) && !buf->b_p_ro && !bt_dontwrite(buf)) { bufref_T bufref; set_bufref(&bufref, buf); buf_write_all(buf, false); // an autocommand may have deleted the buffer if (!bufref_valid(&bufref)) { buf = firstbuf; } } } } /// @return true if buffer was changed and cannot be abandoned. /// For flags use the CCGD_ values. bool check_changed(buf_T *buf, int flags) { bool forceit = (flags & CCGD_FORCEIT); bufref_T bufref; set_bufref(&bufref, buf); if (!forceit && bufIsChanged(buf) && ((flags & CCGD_MULTWIN) || buf->b_nwindows <= 1) && (!(flags & CCGD_AW) || autowrite(buf, forceit) == FAIL)) { if ((p_confirm || (cmdmod.cmod_flags & CMOD_CONFIRM)) && p_write) { int count = 0; if (flags & CCGD_ALLBUF) { FOR_ALL_BUFFERS(buf2) { if (bufIsChanged(buf2) && (buf2->b_ffname != NULL)) { count++; } } } if (!bufref_valid(&bufref)) { // Autocommand deleted buffer, oops! It's not changed now. return false; } dialog_changed(buf, count > 1); if (!bufref_valid(&bufref)) { // Autocommand deleted buffer, oops! It's not changed now. return false; } return bufIsChanged(buf); } if (flags & CCGD_EXCMD) { no_write_message(); } else { no_write_message_nobang(curbuf); } return true; } return false; } /// Ask the user what to do when abandoning a changed buffer. /// Must check 'write' option first! /// /// @param buf /// @param checkall may abandon all changed buffers void dialog_changed(buf_T *buf, bool checkall) { char buff[DIALOG_MSG_SIZE]; int ret; // Init ea pseudo-structure, this is needed for the check_overwrite() // function. exarg_T ea = { .append = false, .forceit = false, }; dialog_msg(buff, _("Save changes to \"%s\"?"), buf->b_fname); if (checkall) { ret = vim_dialog_yesnoallcancel(VIM_QUESTION, NULL, buff, 1); } else { ret = vim_dialog_yesnocancel(VIM_QUESTION, NULL, buff, 1); } if (ret == VIM_YES) { bool empty_bufname = buf->b_fname == NULL; if (empty_bufname) { buf_set_name(buf->b_fnum, "Untitled"); } if (check_overwrite(&ea, buf, buf->b_fname, buf->b_ffname, false) == OK) { // didn't hit Cancel if (buf_write_all(buf, false) == OK) { return; } } // restore to empty when write failed if (empty_bufname) { buf->b_fname = NULL; XFREE_CLEAR(buf->b_ffname); XFREE_CLEAR(buf->b_sfname); unchanged(buf, true, false); } } else if (ret == VIM_NO) { unchanged(buf, true, false); } else if (ret == VIM_ALL) { // Write all modified files that can be written. // Skip readonly buffers, these need to be confirmed // individually. FOR_ALL_BUFFERS(buf2) { if (bufIsChanged(buf2) && (buf2->b_ffname != NULL) && !buf2->b_p_ro) { bufref_T bufref; set_bufref(&bufref, buf2); if (buf2->b_fname != NULL && check_overwrite(&ea, buf2, buf2->b_fname, buf2->b_ffname, false) == OK) { // didn't hit Cancel buf_write_all(buf2, false); } // an autocommand may have deleted the buffer if (!bufref_valid(&bufref)) { buf2 = firstbuf; } } } } else if (ret == VIM_DISCARDALL) { // mark all buffers as unchanged FOR_ALL_BUFFERS(buf2) { unchanged(buf2, true, false); } } } /// Ask the user whether to close the terminal buffer or not. /// /// @param buf The terminal buffer. /// @return bool Whether to close the buffer or not. bool dialog_close_terminal(buf_T *buf) { char buff[DIALOG_MSG_SIZE]; dialog_msg(buff, _("Close \"%s\"?"), (buf->b_fname != NULL) ? buf->b_fname : "?"); int ret = vim_dialog_yesnocancel(VIM_QUESTION, NULL, buff, 1); return ret == VIM_YES; } /// @return true if the buffer "buf" can be abandoned, either by making it /// hidden, autowriting it or unloading it. bool can_abandon(buf_T *buf, bool forceit) { return buf_hide(buf) || !bufIsChanged(buf) || buf->b_nwindows > 1 || autowrite(buf, forceit) == OK || forceit; } /// Add a buffer number to "bufnrs", unless it's already there. static void add_bufnum(int *bufnrs, int *bufnump, int nr) { for (int i = 0; i < *bufnump; i++) { if (bufnrs[i] == nr) { return; } } bufnrs[*bufnump] = nr; *bufnump = *bufnump + 1; } /// Check if any buffer was changed and cannot be abandoned. /// That changed buffer becomes the current buffer. /// When "unload" is true the current buffer is unloaded instead of making it /// hidden. This is used for ":q!". /// /// @param[in] hidden specifies whether to check only hidden buffers. /// @param[in] unload specifies whether to unload, instead of hide, the buffer. /// /// @returns true if any buffer is changed and cannot be abandoned bool check_changed_any(bool hidden, bool unload) { bool ret = false; int i; int bufnum = 0; size_t bufcount = 0; // Make a list of all buffers, with the most important ones first. FOR_ALL_BUFFERS(buf) { bufcount++; } if (bufcount == 0) { return false; } int *bufnrs = xmalloc(sizeof(*bufnrs) * bufcount); // curbuf bufnrs[bufnum++] = curbuf->b_fnum; // buffers in current tab FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { if (wp->w_buffer != curbuf) { add_bufnum(bufnrs, &bufnum, wp->w_buffer->b_fnum); } } // buffers in other tabs FOR_ALL_TABS(tp) { if (tp != curtab) { FOR_ALL_WINDOWS_IN_TAB(wp, tp) { add_bufnum(bufnrs, &bufnum, wp->w_buffer->b_fnum); } } } // any other buffer FOR_ALL_BUFFERS(buf) { add_bufnum(bufnrs, &bufnum, buf->b_fnum); } buf_T *buf = NULL; for (i = 0; i < bufnum; i++) { buf = buflist_findnr(bufnrs[i]); if (buf == NULL) { continue; } if ((!hidden || buf->b_nwindows == 0) && bufIsChanged(buf)) { bufref_T bufref; set_bufref(&bufref, buf); // Try auto-writing the buffer. If this fails but the buffer no // longer exists it's not changed, that's OK. if (check_changed(buf, (p_awa ? CCGD_AW : 0) | CCGD_MULTWIN | CCGD_ALLBUF) && bufref_valid(&bufref)) { break; // didn't save - still changes } } } if (i >= bufnum) { goto theend; } // Get here if "buf" cannot be abandoned. ret = true; exiting = false; // When ":confirm" used, don't give an error message. if (!(p_confirm || (cmdmod.cmod_flags & CMOD_CONFIRM))) { // There must be a wait_return() for this message, do_buffer() // may cause a redraw. But wait_return() is a no-op when vgetc() // is busy (Quit used from window menu), then make sure we don't // cause a scroll up. if (vgetc_busy > 0) { msg_row = cmdline_row; msg_col = 0; msg_didout = false; } if ((buf->terminal && channel_job_running((uint64_t)buf->b_p_channel)) ? semsg(_("E947: Job still running in buffer \"%s\""), buf->b_fname) : semsg(_("E162: No write since last change for buffer \"%s\""), buf_spname(buf) != NULL ? buf_spname(buf) : buf->b_fname)) { int save = no_wait_return; no_wait_return = false; wait_return(false); no_wait_return = save; } } // Try to find a window that contains the buffer. if (buf != curbuf) { FOR_ALL_TAB_WINDOWS(tp, wp) { if (wp->w_buffer == buf) { bufref_T bufref; set_bufref(&bufref, buf); goto_tabpage_win(tp, wp); // Paranoia: did autocmds wipe out the buffer with changes? if (!bufref_valid(&bufref)) { goto theend; } goto buf_found; } } } buf_found: // Open the changed buffer in the current window. if (buf != curbuf) { set_curbuf(buf, unload ? DOBUF_UNLOAD : DOBUF_GOTO, true); } theend: xfree(bufnrs); return ret; } /// @return FAIL if there is no file name, OK if there is one. /// Give error message for FAIL. int check_fname(void) { if (curbuf->b_ffname == NULL) { emsg(_(e_noname)); return FAIL; } return OK; } /// Flush the contents of a buffer, unless it has no file name. /// /// @return FAIL for failure, OK otherwise int buf_write_all(buf_T *buf, bool forceit) { buf_T *old_curbuf = curbuf; int retval = (buf_write(buf, buf->b_ffname, buf->b_fname, 1, buf->b_ml.ml_line_count, NULL, false, forceit, true, false)); if (curbuf != old_curbuf) { msg_source(HLF_W); msg(_("Warning: Entered other buffer unexpectedly (check autocommands)"), 0); } return retval; } /// ":argdo", ":windo", ":bufdo", ":tabdo", ":cdo", ":ldo", ":cfdo" and ":lfdo" void ex_listdo(exarg_T *eap) { if (curwin->w_p_wfb) { if ((eap->cmdidx == CMD_ldo || eap->cmdidx == CMD_lfdo) && !eap->forceit) { // Disallow :ldo if 'winfixbuf' is applied emsg(_(e_winfixbuf_cannot_go_to_buffer)); return; } if (win_valid(prevwin) && !prevwin->w_p_wfb) { // 'winfixbuf' is set; attempt to change to a window without it. win_goto(prevwin); } if (curwin->w_p_wfb) { // Split the window, which will be 'nowinfixbuf', and set curwin to that (void)win_split(0, 0); if (curwin->w_p_wfb) { // Autocommands set 'winfixbuf' or sent us to another window // with it set, or we failed to split the window. Give up. emsg(_(e_winfixbuf_cannot_go_to_buffer)); return; } } } char *save_ei = NULL; // Temporarily override SHM_OVER and SHM_OVERALL to avoid that file // message overwrites output from the command. msg_listdo_overwrite++; if (eap->cmdidx != CMD_windo && eap->cmdidx != CMD_tabdo) { // Don't do syntax HL autocommands. Skipping the syntax file is a // great speed improvement. save_ei = au_event_disable(",Syntax"); FOR_ALL_BUFFERS(buf) { buf->b_flags &= ~BF_SYN_SET; } } if (eap->cmdidx == CMD_windo || eap->cmdidx == CMD_tabdo || buf_hide(curbuf) || !check_changed(curbuf, CCGD_AW | (eap->forceit ? CCGD_FORCEIT : 0) | CCGD_EXCMD)) { int next_fnum = 0; int i = 0; // start at the eap->line1 argument/window/buffer win_T *wp = firstwin; tabpage_T *tp = first_tabpage; switch (eap->cmdidx) { case CMD_windo: for (; wp != NULL && i + 1 < eap->line1; wp = wp->w_next) { i++; } break; case CMD_tabdo: for (; tp != NULL && i + 1 < eap->line1; tp = tp->tp_next) { i++; } break; case CMD_argdo: i = (int)eap->line1 - 1; break; default: break; } buf_T *buf = curbuf; size_t qf_size = 0; // set pcmark now if (eap->cmdidx == CMD_bufdo) { // Advance to the first listed buffer after "eap->line1". for (buf = firstbuf; buf != NULL && (buf->b_fnum < eap->line1 || !buf->b_p_bl); buf = buf->b_next) { if (buf->b_fnum > eap->line2) { buf = NULL; break; } } if (buf != NULL) { goto_buffer(eap, DOBUF_FIRST, FORWARD, buf->b_fnum); } } else if (eap->cmdidx == CMD_cdo || eap->cmdidx == CMD_ldo || eap->cmdidx == CMD_cfdo || eap->cmdidx == CMD_lfdo) { qf_size = qf_get_valid_size(eap); assert(eap->line1 >= 0); if (qf_size == 0 || (size_t)eap->line1 > qf_size) { buf = NULL; } else { ex_cc(eap); buf = curbuf; i = (int)eap->line1 - 1; if (eap->addr_count <= 0) { // Default to all quickfix/location list entries. assert(qf_size < MAXLNUM); eap->line2 = (linenr_T)qf_size; } } } else { setpcmark(); } listcmd_busy = true; // avoids setting pcmark below while (!got_int && buf != NULL) { bool execute = true; if (eap->cmdidx == CMD_argdo) { // go to argument "i" if (i == ARGCOUNT) { break; } // Don't call do_argfile() when already there, it will try // reloading the file. if (curwin->w_arg_idx != i || !editing_arg_idx(curwin)) { // Clear 'shm' to avoid that the file message overwrites // any output from the command. do_argfile(eap, i); } if (curwin->w_arg_idx != i) { break; } } else if (eap->cmdidx == CMD_windo) { // go to window "wp" if (!win_valid(wp)) { break; } assert(wp); execute = !wp->w_floating || (!wp->w_config.hide && wp->w_config.focusable); if (execute) { win_goto(wp); if (curwin != wp) { break; // something must be wrong } } wp = wp->w_next; } else if (eap->cmdidx == CMD_tabdo) { // go to window "tp" if (!valid_tabpage(tp)) { break; } assert(tp); goto_tabpage_tp(tp, true, true); tp = tp->tp_next; } else if (eap->cmdidx == CMD_bufdo) { // Remember the number of the next listed buffer, in case // ":bwipe" is used or autocommands do something strange. next_fnum = -1; for (buf_T *bp = curbuf->b_next; bp != NULL; bp = bp->b_next) { if (bp->b_p_bl) { next_fnum = bp->b_fnum; break; } } } i++; // execute the command if (execute) { do_cmdline(eap->arg, eap->ea_getline, eap->cookie, DOCMD_VERBOSE + DOCMD_NOWAIT); } if (eap->cmdidx == CMD_bufdo) { // Done? if (next_fnum < 0 || next_fnum > eap->line2) { break; } // Check if the buffer still exists. bool buf_still_exists = false; FOR_ALL_BUFFERS(bp) { if (bp->b_fnum == next_fnum) { buf_still_exists = true; break; } } if (!buf_still_exists) { break; } // Go to the next buffer. goto_buffer(eap, DOBUF_FIRST, FORWARD, next_fnum); // If autocommands took us elsewhere, quit here. if (curbuf->b_fnum != next_fnum) { break; } } if (eap->cmdidx == CMD_cdo || eap->cmdidx == CMD_ldo || eap->cmdidx == CMD_cfdo || eap->cmdidx == CMD_lfdo) { assert(i >= 0); if ((size_t)i >= qf_size || i >= eap->line2) { break; } size_t qf_idx = qf_get_cur_idx(eap); ex_cnext(eap); // If jumping to the next quickfix entry fails, quit here. if (qf_get_cur_idx(eap) == qf_idx) { break; } } if (eap->cmdidx == CMD_windo && execute) { validate_cursor(curwin); // cursor may have moved // required when 'scrollbind' has been set if (curwin->w_p_scb) { do_check_scrollbind(true); } } if (eap->cmdidx == CMD_windo || eap->cmdidx == CMD_tabdo) { if (i + 1 > eap->line2) { break; } } if (eap->cmdidx == CMD_argdo && i >= eap->line2) { break; } } listcmd_busy = false; } msg_listdo_overwrite--; if (save_ei != NULL) { buf_T *bnext; aco_save_T aco; au_event_restore(save_ei); for (buf_T *buf = firstbuf; buf != NULL; buf = bnext) { bnext = buf->b_next; if (buf->b_nwindows > 0 && (buf->b_flags & BF_SYN_SET)) { buf->b_flags &= ~BF_SYN_SET; // buffer was opened while Syntax autocommands were disabled, // need to trigger them now. if (buf == curbuf) { apply_autocmds(EVENT_SYNTAX, curbuf->b_p_syn, curbuf->b_fname, true, curbuf); } else { aucmd_prepbuf(&aco, buf); apply_autocmds(EVENT_SYNTAX, buf->b_p_syn, buf->b_fname, true, buf); aucmd_restbuf(&aco); } // start over, in case autocommands messed things up. bnext = firstbuf; } } } } /// ":compiler[!] {name}" void ex_compiler(exarg_T *eap) { char *old_cur_comp = NULL; if (*eap->arg == NUL) { // List all compiler scripts. do_cmdline_cmd("echo globpath(&rtp, 'compiler/*.vim')"); // NOLINT do_cmdline_cmd("echo globpath(&rtp, 'compiler/*.lua')"); // NOLINT return; } size_t bufsize = strlen(eap->arg) + 14; char *buf = xmalloc(bufsize); if (eap->forceit) { // ":compiler! {name}" sets global options do_cmdline_cmd("command -nargs=* CompilerSet set "); } else { // ":compiler! {name}" sets local options. // To remain backwards compatible "current_compiler" is always // used. A user's compiler plugin may set it, the distributed // plugin will then skip the settings. Afterwards set // "b:current_compiler" and restore "current_compiler". // Explicitly prepend "g:" to make it work in a function. old_cur_comp = get_var_value("g:current_compiler"); if (old_cur_comp != NULL) { old_cur_comp = xstrdup(old_cur_comp); } do_cmdline_cmd("command -nargs=* -keepscript CompilerSet setlocal "); } do_unlet(S_LEN("g:current_compiler"), true); do_unlet(S_LEN("b:current_compiler"), true); snprintf(buf, bufsize, "compiler/%s.*", eap->arg); if (source_runtime_vim_lua(buf, DIP_ALL) == FAIL) { semsg(_(e_compiler_not_supported_str), eap->arg); } xfree(buf); do_cmdline_cmd(":delcommand CompilerSet"); // Set "b:current_compiler" from "current_compiler". char *p = get_var_value("g:current_compiler"); if (p != NULL) { set_internal_string_var("b:current_compiler", p); } // Restore "current_compiler" for ":compiler {name}". if (!eap->forceit) { if (old_cur_comp != NULL) { set_internal_string_var("g:current_compiler", old_cur_comp); xfree(old_cur_comp); } else { do_unlet(S_LEN("g:current_compiler"), true); } } } /// ":checktime [buffer]" void ex_checktime(exarg_T *eap) { int save_no_check_timestamps = no_check_timestamps; no_check_timestamps = 0; if (eap->addr_count == 0) { // default is all buffers check_timestamps(false); } else { buf_T *buf = buflist_findnr((int)eap->line2); if (buf != NULL) { // cannot happen? buf_check_timestamp(buf); } } no_check_timestamps = save_no_check_timestamps; } static void script_host_execute(char *name, exarg_T *eap) { size_t len; char *const script = script_get(eap, &len); if (script != NULL) { list_T *const args = tv_list_alloc(3); // script tv_list_append_allocated_string(args, script); // current range tv_list_append_number(args, (int)eap->line1); tv_list_append_number(args, (int)eap->line2); eval_call_provider(name, "execute", args, true); } } static void script_host_execute_file(char *name, exarg_T *eap) { if (!eap->skip) { uint8_t buffer[MAXPATHL]; vim_FullName(eap->arg, (char *)buffer, sizeof(buffer), false); list_T *args = tv_list_alloc(3); // filename tv_list_append_string(args, (const char *)buffer, -1); // current range tv_list_append_number(args, (int)eap->line1); tv_list_append_number(args, (int)eap->line2); eval_call_provider(name, "execute_file", args, true); } } static void script_host_do_range(char *name, exarg_T *eap) { if (!eap->skip) { list_T *args = tv_list_alloc(3); tv_list_append_number(args, (int)eap->line1); tv_list_append_number(args, (int)eap->line2); tv_list_append_string(args, eap->arg, -1); eval_call_provider(name, "do_range", args, true); } } /// ":drop" /// Opens the first argument in a window, and the argument list is redefined. void ex_drop(exarg_T *eap) { bool split = false; // Check if the first argument is already being edited in a window. If // so, jump to that window. // We would actually need to check all arguments, but that's complicated // and mostly only one file is dropped. // This also ignores wildcards, since it is very unlikely the user is // editing a file name with a wildcard character. set_arglist(eap->arg); // Expanding wildcards may result in an empty argument list. E.g. when // editing "foo.pyc" and ".pyc" is in 'wildignore'. Assume that we // already did an error message for this. if (ARGCOUNT == 0) { return; } if (cmdmod.cmod_tab) { // ":tab drop file ...": open a tab for each argument that isn't // edited in a window yet. It's like ":tab all" but without closing // windows or tabs. ex_all(eap); cmdmod.cmod_tab = 0; ex_rewind(eap); return; } // ":drop file ...": Edit the first argument. Jump to an existing // window if possible, edit in current window if the current buffer // can be abandoned, otherwise open a new window. buf_T *buf = buflist_findnr(ARGLIST[0].ae_fnum); FOR_ALL_TAB_WINDOWS(tp, wp) { if (wp->w_buffer == buf) { goto_tabpage_win(tp, wp); curwin->w_arg_idx = 0; if (!bufIsChanged(curbuf)) { const int save_ar = curbuf->b_p_ar; // reload the file if it is newer curbuf->b_p_ar = true; buf_check_timestamp(curbuf); curbuf->b_p_ar = save_ar; } if (curbuf->b_ml.ml_flags & ML_EMPTY) { ex_rewind(eap); } return; } } // Check whether the current buffer is changed. If so, we will need // to split the current window or data could be lost. // Skip the check if the 'hidden' option is set, as in this case the // buffer won't be lost. if (!buf_hide(curbuf)) { emsg_off++; split = check_changed(curbuf, CCGD_AW | CCGD_EXCMD); emsg_off--; } // Fake a ":sfirst" or ":first" command edit the first argument. if (split) { eap->cmdidx = CMD_sfirst; eap->cmd[0] = 's'; } else { eap->cmdidx = CMD_first; } ex_rewind(eap); }