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authorJune McEnroe <june@causal.agency>2019-06-28 22:28:32 -0400
committerJune McEnroe <june@causal.agency>2019-06-28 22:28:32 -0400
commit2a0976b40a2b3888f9ba9f2d047f81b98837dc58 (patch)
tree0bdcc7964063ffbb9945b5538c4e1c42b91b2b64 /bin/catsh/libedit/filecomplete.c
parentSet HISTSIZE in catsh (diff)
downloadsrc-2a0976b40a2b3888f9ba9f2d047f81b98837dc58.tar.gz
src-2a0976b40a2b3888f9ba9f2d047f81b98837dc58.zip
Rename catsh to 1sh
Yes it's another rename because I felt like catsh was too long. 1sh is
short and unique.
Diffstat (limited to 'bin/catsh/libedit/filecomplete.c')
-rw-r--r--bin/catsh/libedit/filecomplete.c579
1 files changed, 0 insertions, 579 deletions
diff --git a/bin/catsh/libedit/filecomplete.c b/bin/catsh/libedit/filecomplete.c
deleted file mode 100644
index 6ccc2719..00000000
--- a/bin/catsh/libedit/filecomplete.c
+++ /dev/null
@@ -1,579 +0,0 @@
-/*	$NetBSD: filecomplete.c,v 1.45 2017/04/21 05:38:03 abhinav Exp $	*/
-
-/*-
- * Copyright (c) 1997 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Jaromir Dolecek.
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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)
-__RCSID("$NetBSD: filecomplete.c,v 1.45 2017/04/21 05:38:03 abhinav Exp $");
-#endif /* not lint && not SCCSID */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <pwd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "el.h"
-#include "filecomplete.h"
-
-static const wchar_t break_chars[] = L" \t\n\"\\'`@$><=;|&{(";
-
-/********************************/
-/* completion functions */
-
-/*
- * does tilde expansion of strings of type ``~user/foo''
- * if ``user'' isn't valid user name or ``txt'' doesn't start
- * w/ '~', returns pointer to strdup()ed copy of ``txt''
- *
- * it's the caller's responsibility to free() the returned string
- */
-char *
-fn_tilde_expand(const char *txt)
-{
-#if defined(HAVE_GETPW_R_POSIX) || defined(HAVE_GETPW_R_DRAFT)
-	struct passwd pwres;
-	char pwbuf[1024];
-#endif
-	struct passwd *pass;
-	char *temp;
-	size_t len = 0;
-
-	if (txt[0] != '~')
-		return strdup(txt);
-
-	temp = strchr(txt + 1, '/');
-	if (temp == NULL) {
-		temp = strdup(txt + 1);
-		if (temp == NULL)
-			return NULL;
-	} else {
-		/* text until string after slash */
-		len = (size_t)(temp - txt + 1);
-		temp = el_malloc(len * sizeof(*temp));
-		if (temp == NULL)
-			return NULL;
-		(void)strncpy(temp, txt + 1, len - 2);
-		temp[len - 2] = '\0';
-	}
-	if (temp[0] == 0) {
-#ifdef HAVE_GETPW_R_POSIX
-		if (getpwuid_r(getuid(), &pwres, pwbuf, sizeof(pwbuf),
-		    &pass) != 0)
-			pass = NULL;
-#elif HAVE_GETPW_R_DRAFT
-		pass = getpwuid_r(getuid(), &pwres, pwbuf, sizeof(pwbuf));
-#else
-		pass = getpwuid(getuid());
-#endif
-	} else {
-#ifdef HAVE_GETPW_R_POSIX
-		if (getpwnam_r(temp, &pwres, pwbuf, sizeof(pwbuf), &pass) != 0)
-			pass = NULL;
-#elif HAVE_GETPW_R_DRAFT
-		pass = getpwnam_r(temp, &pwres, pwbuf, sizeof(pwbuf));
-#else
-		pass = getpwnam(temp);
-#endif
-	}
-	el_free(temp);		/* value no more needed */
-	if (pass == NULL)
-		return strdup(txt);
-
-	/* update pointer txt to point at string immedially following */
-	/* first slash */
-	txt += len;
-
-	len = strlen(pass->pw_dir) + 1 + strlen(txt) + 1;
-	temp = el_malloc(len * sizeof(*temp));
-	if (temp == NULL)
-		return NULL;
-	(void)snprintf(temp, len, "%s/%s", pass->pw_dir, txt);
-
-	return temp;
-}
-
-
-/*
- * return first found file name starting by the ``text'' or NULL if no
- * such file can be found
- * value of ``state'' is ignored
- *
- * it's the caller's responsibility to free the returned string
- */
-char *
-fn_filename_completion_function(const char *text, int state)
-{
-	static DIR *dir = NULL;
-	static char *filename = NULL, *dirname = NULL, *dirpath = NULL;
-	static size_t filename_len = 0;
-	struct dirent *entry;
-	char *temp;
-	size_t len;
-
-	if (state == 0 || dir == NULL) {
-		temp = strrchr(text, '/');
-		if (temp) {
-			char *nptr;
-			temp++;
-			nptr = el_realloc(filename, (strlen(temp) + 1) *
-			    sizeof(*nptr));
-			if (nptr == NULL) {
-				el_free(filename);
-				filename = NULL;
-				return NULL;
-			}
-			filename = nptr;
-			(void)strcpy(filename, temp);
-			len = (size_t)(temp - text);	/* including last slash */
-
-			nptr = el_realloc(dirname, (len + 1) *
-			    sizeof(*nptr));
-			if (nptr == NULL) {
-				el_free(dirname);
-				dirname = NULL;
-				return NULL;
-			}
-			dirname = nptr;
-			(void)strncpy(dirname, text, len);
-			dirname[len] = '\0';
-		} else {
-			el_free(filename);
-			if (*text == 0)
-				filename = NULL;
-			else {
-				filename = strdup(text);
-				if (filename == NULL)
-					return NULL;
-			}
-			el_free(dirname);
-			dirname = NULL;
-		}
-
-		if (dir != NULL) {
-			(void)closedir(dir);
-			dir = NULL;
-		}
-
-		/* support for ``~user'' syntax */
-
-		el_free(dirpath);
-		dirpath = NULL;
-		if (dirname == NULL) {
-			if ((dirname = strdup("")) == NULL)
-				return NULL;
-			dirpath = strdup("./");
-		} else if (*dirname == '~')
-			dirpath = fn_tilde_expand(dirname);
-		else
-			dirpath = strdup(dirname);
-
-		if (dirpath == NULL)
-			return NULL;
-
-		dir = opendir(dirpath);
-		if (!dir)
-			return NULL;	/* cannot open the directory */
-
-		/* will be used in cycle */
-		filename_len = filename ? strlen(filename) : 0;
-	}
-
-	/* find the match */
-	while ((entry = readdir(dir)) != NULL) {
-		/* skip . and .. */
-		if (entry->d_name[0] == '.' && (!entry->d_name[1]
-		    || (entry->d_name[1] == '.' && !entry->d_name[2])))
-			continue;
-		if (filename_len == 0)
-			break;
-		/* otherwise, get first entry where first */
-		/* filename_len characters are equal	  */
-		if (entry->d_name[0] == filename[0]
-#if HAVE_STRUCT_DIRENT_D_NAMLEN
-		    && entry->d_namlen >= filename_len
-#else
-		    && strlen(entry->d_name) >= filename_len
-#endif
-		    && strncmp(entry->d_name, filename,
-			filename_len) == 0)
-			break;
-	}
-
-	if (entry) {		/* match found */
-
-#if HAVE_STRUCT_DIRENT_D_NAMLEN
-		len = entry->d_namlen;
-#else
-		len = strlen(entry->d_name);
-#endif
-
-		len = strlen(dirname) + len + 1;
-		temp = el_malloc(len * sizeof(*temp));
-		if (temp == NULL)
-			return NULL;
-		(void)snprintf(temp, len, "%s%s", dirname, entry->d_name);
-	} else {
-		(void)closedir(dir);
-		dir = NULL;
-		temp = NULL;
-	}
-
-	return temp;
-}
-
-
-static const char *
-append_char_function(const char *name)
-{
-	struct stat stbuf;
-	char *expname = *name == '~' ? fn_tilde_expand(name) : NULL;
-	const char *rs = " ";
-
-	if (stat(expname ? expname : name, &stbuf) == -1)
-		goto out;
-	if (S_ISDIR(stbuf.st_mode))
-		rs = "/";
-out:
-	if (expname)
-		el_free(expname);
-	return rs;
-}
-/*
- * returns list of completions for text given
- * non-static for readline.
- */
-char ** completion_matches(const char *, char *(*)(const char *, int));
-char **
-completion_matches(const char *text, char *(*genfunc)(const char *, int))
-{
-	char **match_list = NULL, *retstr, *prevstr;
-	size_t match_list_len, max_equal, which, i;
-	size_t matches;
-
-	matches = 0;
-	match_list_len = 1;
-	while ((retstr = (*genfunc) (text, (int)matches)) != NULL) {
-		/* allow for list terminator here */
-		if (matches + 3 >= match_list_len) {
-			char **nmatch_list;
-			while (matches + 3 >= match_list_len)
-				match_list_len <<= 1;
-			nmatch_list = el_realloc(match_list,
-			    match_list_len * sizeof(*nmatch_list));
-			if (nmatch_list == NULL) {
-				el_free(match_list);
-				return NULL;
-			}
-			match_list = nmatch_list;
-
-		}
-		match_list[++matches] = retstr;
-	}
-
-	if (!match_list)
-		return NULL;	/* nothing found */
-
-	/* find least denominator and insert it to match_list[0] */
-	which = 2;
-	prevstr = match_list[1];
-	max_equal = strlen(prevstr);
-	for (; which <= matches; which++) {
-		for (i = 0; i < max_equal &&
-		    prevstr[i] == match_list[which][i]; i++)
-			continue;
-		max_equal = i;
-	}
-
-	retstr = el_malloc((max_equal + 1) * sizeof(*retstr));
-	if (retstr == NULL) {
-		el_free(match_list);
-		return NULL;
-	}
-	(void)strncpy(retstr, match_list[1], max_equal);
-	retstr[max_equal] = '\0';
-	match_list[0] = retstr;
-
-	/* add NULL as last pointer to the array */
-	match_list[matches + 1] = NULL;
-
-	return match_list;
-}
-
-/*
- * Sort function for qsort(). Just wrapper around strcasecmp().
- */
-static int
-_fn_qsort_string_compare(const void *i1, const void *i2)
-{
-	const char *s1 = ((const char * const *)i1)[0];
-	const char *s2 = ((const char * const *)i2)[0];
-
-	return strcasecmp(s1, s2);
-}
-
-/*
- * Display list of strings in columnar format on readline's output stream.
- * 'matches' is list of strings, 'num' is number of strings in 'matches',
- * 'width' is maximum length of string in 'matches'.
- *
- * matches[0] is not one of the match strings, but it is counted in
- * num, so the strings are matches[1] *through* matches[num-1].
- */
-void
-fn_display_match_list(EditLine * el, char **matches, size_t num, size_t width,
-    const char *(*app_func) (const char *))
-{
-	size_t line, lines, col, cols, thisguy;
-	int screenwidth = el->el_terminal.t_size.h;
-	if (app_func == NULL)
-		app_func = append_char_function;
-
-	/* Ignore matches[0]. Avoid 1-based array logic below. */
-	matches++;
-	num--;
-
-	/*
-	 * Find out how many entries can be put on one line; count
-	 * with one space between strings the same way it's printed.
-	 */
-	cols = (size_t)screenwidth / (width + 1);
-	if (cols == 0)
-		cols = 1;
-
-	/* how many lines of output, rounded up */
-	lines = (num + cols - 1) / cols;
-
-	/* Sort the items. */
-	qsort(matches, num, sizeof(char *), _fn_qsort_string_compare);
-
-	/*
-	 * On the ith line print elements i, i+lines, i+lines*2, etc.
-	 */
-	for (line = 0; line < lines; line++) {
-		for (col = 0; col < cols; col++) {
-			thisguy = line + col * lines;
-			if (thisguy >= num)
-				break;
-			(void)fprintf(el->el_outfile, "%s%s%s",
-			    col == 0 ? "" : " ", matches[thisguy],
-				append_char_function(matches[thisguy]));
-			(void)fprintf(el->el_outfile, "%-*s",
-				(int) (width - strlen(matches[thisguy])), "");
-		}
-		(void)fprintf(el->el_outfile, "\n");
-	}
-}
-
-/*
- * Complete the word at or before point,
- * 'what_to_do' says what to do with the completion.
- * \t   means do standard completion.
- * `?' means list the possible completions.
- * `*' means insert all of the possible completions.
- * `!' means to do standard completion, and list all possible completions if
- * there is more than one.
- *
- * Note: '*' support is not implemented
- *       '!' could never be invoked
- */
-int
-fn_complete(EditLine *el,
-	char *(*complet_func)(const char *, int),
-	char **(*attempted_completion_function)(const char *, int, int),
-	const wchar_t *word_break, const wchar_t *special_prefixes,
-	const char *(*app_func)(const char *), size_t query_items,
-	int *completion_type, int *over, int *point, int *end)
-{
-	const LineInfoW *li;
-	wchar_t *temp;
-        char **matches;
-	const wchar_t *ctemp;
-	size_t len;
-	int what_to_do = '\t';
-	int retval = CC_NORM;
-
-	if (el->el_state.lastcmd == el->el_state.thiscmd)
-		what_to_do = '?';
-
-	/* readline's rl_complete() has to be told what we did... */
-	if (completion_type != NULL)
-		*completion_type = what_to_do;
-
-	if (!complet_func)
-		complet_func = fn_filename_completion_function;
-	if (!app_func)
-		app_func = append_char_function;
-
-	/* We now look backwards for the start of a filename/variable word */
-	li = el_wline(el);
-	ctemp = li->cursor;
-	while (ctemp > li->buffer
-	    && !wcschr(word_break, ctemp[-1])
-	    && (!special_prefixes || !wcschr(special_prefixes, ctemp[-1]) ) )
-		ctemp--;
-
-	len = (size_t)(li->cursor - ctemp);
-	temp = el_malloc((len + 1) * sizeof(*temp));
-	(void)wcsncpy(temp, ctemp, len);
-	temp[len] = '\0';
-
-	/* these can be used by function called in completion_matches() */
-	/* or (*attempted_completion_function)() */
-	if (point != NULL)
-		*point = (int)(li->cursor - li->buffer);
-	if (end != NULL)
-		*end = (int)(li->lastchar - li->buffer);
-
-	if (attempted_completion_function) {
-		int cur_off = (int)(li->cursor - li->buffer);
-		matches = (*attempted_completion_function)(
-		    ct_encode_string(temp, &el->el_scratch),
-		    cur_off - (int)len, cur_off);
-	} else
-		matches = NULL;
-	if (!attempted_completion_function ||
-	    (over != NULL && !*over && !matches))
-		matches = completion_matches(
-		    ct_encode_string(temp, &el->el_scratch), complet_func);
-
-	if (over != NULL)
-		*over = 0;
-
-	if (matches) {
-		int i;
-		size_t matches_num, maxlen, match_len, match_display=1;
-
-		retval = CC_REFRESH;
-		/*
-		 * Only replace the completed string with common part of
-		 * possible matches if there is possible completion.
-		 */
-		if (matches[0][0] != '\0') {
-			el_deletestr(el, (int) len);
-			el_winsertstr(el,
-			    ct_decode_string(matches[0], &el->el_scratch));
-		}
-
-
-		if (matches[2] == NULL &&
-		    (matches[1] == NULL || strcmp(matches[0], matches[1]) == 0)) {
-			/*
-			 * We found exact match. Add a space after
-			 * it, unless we do filename completion and the
-			 * object is a directory.
-			 */
-			el_winsertstr(el,
-			    ct_decode_string((*app_func)(matches[0]),
-			    &el->el_scratch));
-		} else if (what_to_do == '!' || what_to_do == '?') {
-			/*
-			 * More than one match and requested to list possible
-			 * matches.
-			 */
-
-			for(i = 1, maxlen = 0; matches[i]; i++) {
-				match_len = strlen(matches[i]);
-				if (match_len > maxlen)
-					maxlen = match_len;
-			}
-			/* matches[1] through matches[i-1] are available */
-			matches_num = (size_t)(i - 1);
-
-			/* newline to get on next line from command line */
-			(void)fprintf(el->el_outfile, "\n");
-
-			/*
-			 * If there are too many items, ask user for display
-			 * confirmation.
-			 */
-			if (matches_num > query_items) {
-				(void)fprintf(el->el_outfile,
-				    "Display all %zu possibilities? (y or n) ",
-				    matches_num);
-				(void)fflush(el->el_outfile);
-				if (getc(stdin) != 'y')
-					match_display = 0;
-				(void)fprintf(el->el_outfile, "\n");
-			}
-
-			if (match_display) {
-				/*
-				 * Interface of this function requires the
-				 * strings be matches[1..num-1] for compat.
-				 * We have matches_num strings not counting
-				 * the prefix in matches[0], so we need to
-				 * add 1 to matches_num for the call.
-				 */
-				fn_display_match_list(el, matches,
-				    matches_num+1, maxlen, app_func);
-			}
-			retval = CC_REDISPLAY;
-		} else if (matches[0][0]) {
-			/*
-			 * There was some common match, but the name was
-			 * not complete enough. Next tab will print possible
-			 * completions.
-			 */
-			el_beep(el);
-		} else {
-			/* lcd is not a valid object - further specification */
-			/* is needed */
-			el_beep(el);
-			retval = CC_NORM;
-		}
-
-		/* free elements of array and the array itself */
-		for (i = 0; matches[i]; i++)
-			el_free(matches[i]);
-		el_free(matches);
-		matches = NULL;
-	}
-	el_free(temp);
-	return retval;
-}
-
-/*
- * el-compatible wrapper around rl_complete; needed for key binding
- */
-/* ARGSUSED */
-unsigned char
-_el_fn_complete(EditLine *el, int ch __attribute__((__unused__)))
-{
-	return (unsigned char)fn_complete(el, NULL, NULL,
-	    break_chars, NULL, NULL, (size_t)100,
-	    NULL, NULL, NULL, NULL);
-}