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Diffstat (limited to 'bin/1sh/libedit/el.c')
| -rw-r--r-- | bin/1sh/libedit/el.c | 649 |
1 files changed, 0 insertions, 649 deletions
diff --git a/bin/1sh/libedit/el.c b/bin/1sh/libedit/el.c deleted file mode 100644 index c30f50ca..00000000 --- a/bin/1sh/libedit/el.c +++ /dev/null @@ -1,649 +0,0 @@ -/* $NetBSD: el.c,v 1.92.8.1 2017/07/23 14:41:26 snj Exp $ */ - -/*- - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Christos Zoulas of Cornell University. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "config.h" -#if !defined(lint) && !defined(SCCSID) -#if 0 -static char sccsid[] = "@(#)el.c 8.2 (Berkeley) 1/3/94"; -#else -__RCSID("$NetBSD: el.c,v 1.92.8.1 2017/07/23 14:41:26 snj Exp $"); -#endif -#endif /* not lint && not SCCSID */ - -/* - * el.c: EditLine interface functions - */ -#include <sys/types.h> -#include <sys/param.h> -#include <ctype.h> -#include <langinfo.h> -#include <locale.h> -#include <stdarg.h> -#include <stdlib.h> -#include <string.h> - -#include "el.h" -#include "parse.h" -#include "read.h" - -/* el_init(): - * Initialize editline and set default parameters. - */ -EditLine * -el_init(const char *prog, FILE *fin, FILE *fout, FILE *ferr) -{ - return el_init_fd(prog, fin, fout, ferr, fileno(fin), fileno(fout), - fileno(ferr)); -} - -EditLine * -el_init_fd(const char *prog, FILE *fin, FILE *fout, FILE *ferr, - int fdin, int fdout, int fderr) -{ - EditLine *el = el_malloc(sizeof(*el)); - - if (el == NULL) - return NULL; - - memset(el, 0, sizeof(EditLine)); - - el->el_infile = fin; - el->el_outfile = fout; - el->el_errfile = ferr; - - el->el_infd = fdin; - el->el_outfd = fdout; - el->el_errfd = fderr; - - el->el_prog = wcsdup(ct_decode_string(prog, &el->el_scratch)); - if (el->el_prog == NULL) { - el_free(el); - return NULL; - } - - /* - * Initialize all the modules. Order is important!!! - */ - el->el_flags = 0; - if (setlocale(LC_CTYPE, NULL) != NULL){ - if (strcmp(nl_langinfo(CODESET), "UTF-8") == 0) - el->el_flags |= CHARSET_IS_UTF8; - } - - if (terminal_init(el) == -1) { - el_free(el->el_prog); - el_free(el); - return NULL; - } - (void) keymacro_init(el); - (void) map_init(el); - if (tty_init(el) == -1) - el->el_flags |= NO_TTY; - (void) ch_init(el); - (void) search_init(el); - (void) hist_init(el); - (void) prompt_init(el); - (void) sig_init(el); - (void) literal_init(el); - if (read_init(el) == -1) { - el_end(el); - return NULL; - } - return el; -} - - -/* el_end(): - * Clean up. - */ -void -el_end(EditLine *el) -{ - - if (el == NULL) - return; - - el_reset(el); - - terminal_end(el); - keymacro_end(el); - map_end(el); - if (!(el->el_flags & NO_TTY)) - tty_end(el); - ch_end(el); - read_end(el->el_read); - search_end(el); - hist_end(el); - prompt_end(el); - sig_end(el); - literal_end(el); - - el_free(el->el_prog); - el_free(el->el_visual.cbuff); - el_free(el->el_visual.wbuff); - el_free(el->el_scratch.cbuff); - el_free(el->el_scratch.wbuff); - el_free(el->el_lgcyconv.cbuff); - el_free(el->el_lgcyconv.wbuff); - el_free(el); -} - - -/* el_reset(): - * Reset the tty and the parser - */ -void -el_reset(EditLine *el) -{ - - tty_cookedmode(el); - ch_reset(el); /* XXX: Do we want that? */ -} - - -/* el_set(): - * set the editline parameters - */ -int -el_wset(EditLine *el, int op, ...) -{ - va_list ap; - int rv = 0; - - if (el == NULL) - return -1; - va_start(ap, op); - - switch (op) { - case EL_PROMPT: - case EL_RPROMPT: { - el_pfunc_t p = va_arg(ap, el_pfunc_t); - - rv = prompt_set(el, p, 0, op, 1); - break; - } - - case EL_RESIZE: { - el_zfunc_t p = va_arg(ap, el_zfunc_t); - void *arg = va_arg(ap, void *); - rv = ch_resizefun(el, p, arg); - break; - } - - case EL_ALIAS_TEXT: { - el_afunc_t p = va_arg(ap, el_afunc_t); - void *arg = va_arg(ap, void *); - rv = ch_aliasfun(el, p, arg); - break; - } - - case EL_PROMPT_ESC: - case EL_RPROMPT_ESC: { - el_pfunc_t p = va_arg(ap, el_pfunc_t); - int c = va_arg(ap, int); - - rv = prompt_set(el, p, (wchar_t)c, op, 1); - break; - } - - case EL_TERMINAL: - rv = terminal_set(el, va_arg(ap, char *)); - break; - - case EL_EDITOR: - rv = map_set_editor(el, va_arg(ap, wchar_t *)); - break; - - case EL_SIGNAL: - if (va_arg(ap, int)) - el->el_flags |= HANDLE_SIGNALS; - else - el->el_flags &= ~HANDLE_SIGNALS; - break; - - case EL_BIND: - case EL_TELLTC: - case EL_SETTC: - case EL_ECHOTC: - case EL_SETTY: - { - const wchar_t *argv[20]; - int i; - - for (i = 1; i < (int)__arraycount(argv); i++) - if ((argv[i] = va_arg(ap, wchar_t *)) == NULL) - break; - - switch (op) { - case EL_BIND: - argv[0] = L"bind"; - rv = map_bind(el, i, argv); - break; - - case EL_TELLTC: - argv[0] = L"telltc"; - rv = terminal_telltc(el, i, argv); - break; - - case EL_SETTC: - argv[0] = L"settc"; - rv = terminal_settc(el, i, argv); - break; - - case EL_ECHOTC: - argv[0] = L"echotc"; - rv = terminal_echotc(el, i, argv); - break; - - case EL_SETTY: - argv[0] = L"setty"; - rv = tty_stty(el, i, argv); - break; - - default: - rv = -1; - EL_ABORT((el->el_errfile, "Bad op %d\n", op)); - break; - } - break; - } - - case EL_ADDFN: - { - wchar_t *name = va_arg(ap, wchar_t *); - wchar_t *help = va_arg(ap, wchar_t *); - el_func_t func = va_arg(ap, el_func_t); - - rv = map_addfunc(el, name, help, func); - break; - } - - case EL_HIST: - { - hist_fun_t func = va_arg(ap, hist_fun_t); - void *ptr = va_arg(ap, void *); - - rv = hist_set(el, func, ptr); - if (!(el->el_flags & CHARSET_IS_UTF8)) - el->el_flags &= ~NARROW_HISTORY; - break; - } - - case EL_EDITMODE: - if (va_arg(ap, int)) - el->el_flags &= ~EDIT_DISABLED; - else - el->el_flags |= EDIT_DISABLED; - rv = 0; - break; - - case EL_GETCFN: - { - el_rfunc_t rc = va_arg(ap, el_rfunc_t); - rv = el_read_setfn(el->el_read, rc); - break; - } - - case EL_CLIENTDATA: - el->el_data = va_arg(ap, void *); - break; - - case EL_UNBUFFERED: - rv = va_arg(ap, int); - if (rv && !(el->el_flags & UNBUFFERED)) { - el->el_flags |= UNBUFFERED; - read_prepare(el); - } else if (!rv && (el->el_flags & UNBUFFERED)) { - el->el_flags &= ~UNBUFFERED; - read_finish(el); - } - rv = 0; - break; - - case EL_PREP_TERM: - rv = va_arg(ap, int); - if (rv) - (void) tty_rawmode(el); - else - (void) tty_cookedmode(el); - rv = 0; - break; - - case EL_SETFP: - { - FILE *fp; - int what; - - what = va_arg(ap, int); - fp = va_arg(ap, FILE *); - - rv = 0; - switch (what) { - case 0: - el->el_infile = fp; - el->el_infd = fileno(fp); - break; - case 1: - el->el_outfile = fp; - el->el_outfd = fileno(fp); - break; - case 2: - el->el_errfile = fp; - el->el_errfd = fileno(fp); - break; - default: - rv = -1; - break; - } - break; - } - - case EL_REFRESH: - re_clear_display(el); - re_refresh(el); - terminal__flush(el); - break; - - default: - rv = -1; - break; - } - - va_end(ap); - return rv; -} - - -/* el_get(): - * retrieve the editline parameters - */ -int -el_wget(EditLine *el, int op, ...) -{ - va_list ap; - int rv; - - if (el == NULL) - return -1; - - va_start(ap, op); - - switch (op) { - case EL_PROMPT: - case EL_RPROMPT: { - el_pfunc_t *p = va_arg(ap, el_pfunc_t *); - rv = prompt_get(el, p, 0, op); - break; - } - case EL_PROMPT_ESC: - case EL_RPROMPT_ESC: { - el_pfunc_t *p = va_arg(ap, el_pfunc_t *); - wchar_t *c = va_arg(ap, wchar_t *); - - rv = prompt_get(el, p, c, op); - break; - } - - case EL_EDITOR: - rv = map_get_editor(el, va_arg(ap, const wchar_t **)); - break; - - case EL_SIGNAL: - *va_arg(ap, int *) = (el->el_flags & HANDLE_SIGNALS); - rv = 0; - break; - - case EL_EDITMODE: - *va_arg(ap, int *) = !(el->el_flags & EDIT_DISABLED); - rv = 0; - break; - - case EL_TERMINAL: - terminal_get(el, va_arg(ap, const char **)); - rv = 0; - break; - - case EL_GETTC: - { - static char name[] = "gettc"; - char *argv[20]; - int i; - - for (i = 1; i < (int)__arraycount(argv); i++) - if ((argv[i] = va_arg(ap, char *)) == NULL) - break; - - argv[0] = name; - rv = terminal_gettc(el, i, argv); - break; - } - - case EL_GETCFN: - *va_arg(ap, el_rfunc_t *) = el_read_getfn(el->el_read); - rv = 0; - break; - - case EL_CLIENTDATA: - *va_arg(ap, void **) = el->el_data; - rv = 0; - break; - - case EL_UNBUFFERED: - *va_arg(ap, int *) = (el->el_flags & UNBUFFERED) != 0; - rv = 0; - break; - - case EL_GETFP: - { - int what; - FILE **fpp; - - what = va_arg(ap, int); - fpp = va_arg(ap, FILE **); - rv = 0; - switch (what) { - case 0: - *fpp = el->el_infile; - break; - case 1: - *fpp = el->el_outfile; - break; - case 2: - *fpp = el->el_errfile; - break; - default: - rv = -1; - break; - } - break; - } - default: - rv = -1; - break; - } - va_end(ap); - - return rv; -} - - -/* el_line(): - * Return editing info - */ -const LineInfoW * -el_wline(EditLine *el) -{ - - return (const LineInfoW *)(void *)&el->el_line; -} - - -/* el_source(): - * Source a file - */ -int -el_source(EditLine *el, const char *fname) -{ - FILE *fp; - size_t len; - ssize_t slen; - char *ptr; - char *path = NULL; - const wchar_t *dptr; - int error = 0; - - fp = NULL; - if (fname == NULL) { -#ifdef HAVE_ISSETUGID - if (issetugid()) - return -1; - - if ((fname = getenv("EDITRC")) == NULL) { - static const char elpath[] = "/.editrc"; - size_t plen = sizeof(elpath); - - if ((ptr = getenv("HOME")) == NULL) - return -1; - plen += strlen(ptr); - if ((path = el_malloc(plen * sizeof(*path))) == NULL) - return -1; - (void)snprintf(path, plen, "%s%s", ptr, - elpath + (*ptr == '\0')); - fname = path; - } -#else - /* - * If issetugid() is missing, always return an error, in order - * to keep from inadvertently opening up the user to a security - * hole. - */ - return -1; -#endif - } - if (fname[0] == '\0') - return -1; - - if (fp == NULL) - fp = fopen(fname, "r"); - if (fp == NULL) { - el_free(path); - return -1; - } - - ptr = NULL; - len = 0; - while ((slen = getline(&ptr, &len, fp)) != -1) { - if (*ptr == '\n') - continue; /* Empty line. */ - if (slen > 0 && ptr[--slen] == '\n') - ptr[slen] = '\0'; - - dptr = ct_decode_string(ptr, &el->el_scratch); - if (!dptr) - continue; - /* loop until first non-space char or EOL */ - while (*dptr != '\0' && iswspace(*dptr)) - dptr++; - if (*dptr == '#') - continue; /* ignore, this is a comment line */ - if ((error = parse_line(el, dptr)) == -1) - break; - } - free(ptr); - - el_free(path); - (void) fclose(fp); - return error; -} - - -/* el_resize(): - * Called from program when terminal is resized - */ -void -el_resize(EditLine *el) -{ - int lins, cols; - sigset_t oset, nset; - - (void) sigemptyset(&nset); - (void) sigaddset(&nset, SIGWINCH); - (void) sigprocmask(SIG_BLOCK, &nset, &oset); - - /* get the correct window size */ - if (terminal_get_size(el, &lins, &cols)) - terminal_change_size(el, lins, cols); - - (void) sigprocmask(SIG_SETMASK, &oset, NULL); -} - - -/* el_beep(): - * Called from the program to beep - */ -void -el_beep(EditLine *el) -{ - - terminal_beep(el); -} - - -/* el_editmode() - * Set the state of EDIT_DISABLED from the `edit' command. - */ -libedit_private int -/*ARGSUSED*/ -el_editmode(EditLine *el, int argc, const wchar_t **argv) -{ - const wchar_t *how; - - if (argv == NULL || argc != 2 || argv[1] == NULL) - return -1; - - how = argv[1]; - if (wcscmp(how, L"on") == 0) { - el->el_flags &= ~EDIT_DISABLED; - tty_rawmode(el); - } else if (wcscmp(how, L"off") == 0) { - tty_cookedmode(el); - el->el_flags |= EDIT_DISABLED; - } - else { - (void) fprintf(el->el_errfile, "edit: Bad value `%ls'.\n", - how); - return -1; - } - return 0; -} |