diff options
Diffstat (limited to 'cmd-line-utils/libedit/readline.c')
| -rw-r--r-- | cmd-line-utils/libedit/readline.c | 843 |
1 files changed, 320 insertions, 523 deletions
diff --git a/cmd-line-utils/libedit/readline.c b/cmd-line-utils/libedit/readline.c index 004fcf7d183..ca8796fbd37 100644 --- a/cmd-line-utils/libedit/readline.c +++ b/cmd-line-utils/libedit/readline.c @@ -1,4 +1,4 @@ -/* $NetBSD: readline.c,v 1.49 2005/03/10 19:34:46 christos Exp $ */ +/* $NetBSD: readline.c,v 1.78 2009/02/05 19:15:26 christos Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. @@ -15,13 +15,6 @@ * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED @@ -36,25 +29,9 @@ * POSSIBILITY OF SUCH DAMAGE. */ -/* AIX requires this to be the first thing in the file. */ -#if defined (_AIX) && !defined (__GNUC__) - #pragma alloca -#endif - -#include <config.h> - -#ifdef __GNUC__ -# undef alloca -# define alloca(n) __builtin_alloca (n) -#else -# ifdef HAVE_ALLOCA_H -# include <alloca.h> -# else -# ifndef _AIX -extern char *alloca (); -# endif -# endif -#endif +#include "config.h" +#if !defined(lint) && !defined(SCCSID) +#endif /* not lint && not SCCSID */ #include <sys/types.h> #include <sys/stat.h> @@ -68,12 +45,23 @@ extern char *alloca (); #include <limits.h> #include <errno.h> #include <fcntl.h> +#include <setjmp.h> +#ifdef HAVE_VIS_H #include <vis.h> - -#include "readline/readline.h" +#else +#include "np/vis.h" +#endif +#ifdef HAVE_ALLOCA_H +#include <alloca.h> +#endif #include "el.h" #include "fcns.h" /* for EL_NUM_FCNS */ #include "histedit.h" +#include "readline/readline.h" +#include "filecomplete.h" + +void rl_prep_terminal(int); +void rl_deprep_terminal(void); /* for rl_complete() */ #define TAB '\r' @@ -94,9 +82,12 @@ FILE *rl_outstream = NULL; int rl_point = 0; int rl_end = 0; char *rl_line_buffer = NULL; -VFunction *rl_linefunc = NULL; +VCPFunction *rl_linefunc = NULL; int rl_done = 0; VFunction *rl_event_hook = NULL; +KEYMAP_ENTRY_ARRAY emacs_standard_keymap, + emacs_meta_keymap, + emacs_ctlx_keymap; int history_base = 1; /* probably never subject to change */ int history_length = 0; @@ -112,21 +103,23 @@ int rl_attempted_completion_over = 0; char *rl_basic_word_break_characters = break_chars; char *rl_completer_word_break_characters = NULL; char *rl_completer_quote_characters = NULL; -CPFunction *rl_completion_entry_function = NULL; +Function *rl_completion_entry_function = NULL; CPPFunction *rl_attempted_completion_function = NULL; Function *rl_pre_input_hook = NULL; Function *rl_startup1_hook = NULL; -Function *rl_getc_function = NULL; +int (*rl_getc_function)(FILE *) = NULL; char *rl_terminal_name = NULL; int rl_already_prompted = 0; int rl_filename_completion_desired = 0; int rl_ignore_completion_duplicates = 0; int rl_catch_signals = 1; +int readline_echoing_p = 1; +int _rl_print_completions_horizontally = 0; VFunction *rl_redisplay_function = NULL; Function *rl_startup_hook = NULL; VFunction *rl_completion_display_matches_hook = NULL; -VFunction *rl_prep_term_function = NULL; -VFunction *rl_deprep_term_function = NULL; +VFunction *rl_prep_term_function = (VFunction *)rl_prep_terminal; +VFunction *rl_deprep_term_function = (VFunction *)rl_deprep_terminal; /* * The current prompt string. @@ -150,7 +143,7 @@ int rl_completion_query_items = 100; * in the parsed text when it is passed to the completion function. * Shell uses this to help determine what kind of completing to do. */ -char *rl_special_prefixes = (char *)NULL; +char *rl_special_prefixes = NULL; /* * This is the character appended to the completed words if at the end of @@ -160,25 +153,21 @@ int rl_completion_append_character = ' '; /* stuff below is used internally by libedit for readline emulation */ -/* if not zero, non-unique completions always show list of possible matches */ -static int _rl_complete_show_all = 0; - static History *h = NULL; static EditLine *e = NULL; static Function *map[256]; -static int el_rl_complete_cmdnum = 0; +static jmp_buf topbuf; /* internal functions */ static unsigned char _el_rl_complete(EditLine *, int); static unsigned char _el_rl_tstp(EditLine *, int); static char *_get_prompt(EditLine *); +static int _getc_function(EditLine *, char *); static HIST_ENTRY *_move_history(int); static int _history_expand_command(const char *, size_t, size_t, char **); static char *_rl_compat_sub(const char *, const char *, const char *, int); -static int _rl_complete_internal(int); -static int _rl_qsort_string_compare(const void *, const void *); static int _rl_event_read_char(EditLine *, char *); static void _rl_update_pos(void); @@ -205,17 +194,50 @@ _move_history(int op) return (HIST_ENTRY *) NULL; rl_he.line = ev.str; - rl_he.data = (histdata_t) &(ev.num); + rl_he.data = NULL; return (&rl_he); } /* + * read one key from user defined input function + */ +static int +/*ARGSUSED*/ +_getc_function(EditLine *el, char *c) +{ + int i; + + i = (*rl_getc_function)(NULL); + if (i == -1) + return 0; + *c = i; + return 1; +} + + +/* * READLINE compatibility stuff */ /* + * Set the prompt + */ +int +rl_set_prompt(const char *prompt) +{ + if (!prompt) + prompt = ""; + if (rl_prompt != NULL && strcmp(rl_prompt, prompt) == 0) + return 0; + if (rl_prompt) + free(rl_prompt); + rl_prompt = strdup(prompt); + return rl_prompt == NULL ? -1 : 0; +} + +/* * initialize rl compat stuff */ int @@ -223,7 +245,6 @@ rl_initialize(void) { HistEvent ev; const LineInfo *li; - int i; int editmode = 1; struct termios t; @@ -257,9 +278,12 @@ rl_initialize(void) max_input_history = INT_MAX; el_set(e, EL_HIST, history, h); + /* setup getc function if valid */ + if (rl_getc_function) + el_set(e, EL_GETCFN, _getc_function); + /* for proper prompt printing in readline() */ - rl_prompt = strdup(""); - if (rl_prompt == NULL) { + if (rl_set_prompt("") == -1) { history_end(h); el_end(e); return -1; @@ -291,17 +315,6 @@ rl_initialize(void) "ReadLine compatible suspend function", _el_rl_tstp); el_set(e, EL_BIND, "^Z", "rl_tstp", NULL); - - /* - * Find out where the rl_complete function was added; this is - * used later to detect that lastcmd was also rl_complete. - */ - for(i=EL_NUM_FCNS; i < e->el_map.nfunc; i++) { - if (e->el_map.func[i] == _el_rl_complete) { - el_rl_complete_cmdnum = i; - break; - } - } /* read settings from configuration file */ el_source(e, NULL); @@ -327,9 +340,10 @@ rl_initialize(void) * trailing newline (if there is any) */ char * -readline(const char *prompt) +readline(const char *p) { HistEvent ev; + const char * volatile prompt = p; int count; const char *ret; char *buf; @@ -340,15 +354,11 @@ readline(const char *prompt) rl_done = 0; + (void)setjmp(topbuf); + /* update prompt accordingly to what has been passed */ - if (!prompt) - prompt = ""; - if (strcmp(rl_prompt, prompt) != 0) { - free(rl_prompt); - rl_prompt = strdup(prompt); - if (rl_prompt == NULL) - return NULL; - } + if (rl_set_prompt(prompt) == -1) + return NULL; if (rl_pre_input_hook) (*rl_pre_input_hook)(NULL, 0); @@ -446,7 +456,7 @@ _rl_compat_sub(const char *str, const char *what, const char *with, } else *r++ = *s++; } - *r = 0; + *r = '\0'; return(result); } @@ -467,7 +477,7 @@ get_history_event(const char *cmd, int *cindex, int qchar) return(NULL); /* find out which event to take */ - if (cmd[idx] == history_expansion_char || cmd[idx] == 0) { + if (cmd[idx] == history_expansion_char || cmd[idx] == '\0') { if (history(h, &ev, H_FIRST) != 0) return(NULL); *cindex = cmd[idx]? (idx + 1):idx; @@ -689,7 +699,7 @@ _history_expand_command(const char *command, size_t offs, size_t cmdlen, if (aptr) free(aptr); - if (*cmd == 0 || (cmd - (command + offs) >= cmdlen)) { + if (*cmd == '\0' || ((size_t)(cmd - (command + offs)) >= cmdlen)) { *result = tmp; return(1); } @@ -699,7 +709,7 @@ _history_expand_command(const char *command, size_t offs, size_t cmdlen, continue; else if (*cmd == 'h') { /* remove trailing path */ if ((aptr = strrchr(tmp, '/')) != NULL) - *aptr = 0; + *aptr = '\0'; } else if (*cmd == 't') { /* remove leading path */ if ((aptr = strrchr(tmp, '/')) != NULL) { aptr = strdup(aptr + 1); @@ -708,7 +718,7 @@ _history_expand_command(const char *command, size_t offs, size_t cmdlen, } } else if (*cmd == 'r') { /* remove trailing suffix */ if ((aptr = strrchr(tmp, '.')) != NULL) - *aptr = 0; + *aptr = '\0'; } else if (*cmd == 'e') { /* remove all but suffix */ if ((aptr = strrchr(tmp, '.')) != NULL) { aptr = strdup(aptr); @@ -732,6 +742,7 @@ _history_expand_command(const char *command, size_t offs, size_t cmdlen, what = realloc(from, size); if (what == NULL) { free(from); + free(tmp); return 0; } len = 0; @@ -744,6 +755,7 @@ _history_expand_command(const char *command, size_t offs, size_t cmdlen, (size <<= 1)); if (nwhat == NULL) { free(what); + free(tmp); return 0; } what = nwhat; @@ -756,10 +768,13 @@ _history_expand_command(const char *command, size_t offs, size_t cmdlen, free(what); if (search) { from = strdup(search); - if (from == NULL) + if (from == NULL) { + free(tmp); return 0; + } } else { from = NULL; + free(tmp); return (-1); } } @@ -771,6 +786,7 @@ _history_expand_command(const char *command, size_t offs, size_t cmdlen, with = realloc(to, size); if (with == NULL) { free(to); + free(tmp); return -1; } len = 0; @@ -782,6 +798,7 @@ _history_expand_command(const char *command, size_t offs, size_t cmdlen, nwith = realloc(with, size); if (nwith == NULL) { free(with); + free(tmp); return -1; } with = nwith; @@ -850,12 +867,14 @@ history_expand(char *str, char **output) return 0; } -#define ADD_STRING(what, len) \ +#define ADD_STRING(what, len, fr) \ { \ if (idx + len + 1 > size) { \ char *nresult = realloc(result, (size += len + 1));\ if (nresult == NULL) { \ free(*output); \ + if (/*CONSTCOND*/fr) \ + free(tmp); \ return 0; \ } \ result = nresult; \ @@ -867,6 +886,7 @@ history_expand(char *str, char **output) result = NULL; size = idx = 0; + tmp = NULL; for (i = 0; str[i];) { int qchar, loop_again; size_t len, start, j; @@ -904,13 +924,11 @@ loop: goto loop; } len = i - start; - tmp = &str[start]; - ADD_STRING(tmp, len); + ADD_STRING(&str[start], len, 0); if (str[i] == '\0' || str[i] != history_expansion_char) { len = j - i; - tmp = &str[i]; - ADD_STRING(tmp, len); + ADD_STRING(&str[i], len, 0); if (start == 0) ret = 0; else @@ -920,8 +938,11 @@ loop: ret = _history_expand_command (str, i, (j - i), &tmp); if (ret > 0 && tmp) { len = strlen(tmp); - ADD_STRING(tmp, len); + ADD_STRING(tmp, len, 1); + } + if (tmp) { free(tmp); + tmp = NULL; } i = j; } @@ -973,23 +994,23 @@ history_arg_extract(int start, int end, const char *str) if (start < 0) start = end; - if (start < 0 || end < 0 || start > max || end > max || start > end) + if (start < 0 || end < 0 || (size_t)start > max || (size_t)end > max || start > end) return(NULL); - for (i = start, len = 0; i <= end; i++) + for (i = start, len = 0; i <= (size_t)end; i++) len += strlen(arr[i]) + 1; len++; result = malloc(len); if (result == NULL) return NULL; - for (i = start, len = 0; i <= end; i++) { + for (i = start, len = 0; i <= (size_t)end; i++) { (void)strcpy(result + len, arr[i]); len += strlen(arr[i]); - if (i < end) + if (i < (size_t)end) result[len++] = ' '; } - result[len] = 0; + result[len] = '\0'; for (i = 0; arr[i]; i++) free(arr[i]); @@ -1152,7 +1173,7 @@ history_get(int num) return (NULL); /* error */ /* look backwards for event matching specified offset */ - if (history(h, &ev, H_NEXT_EVENT, num)) + if (history(h, &ev, H_NEXT_EVENT, num + 1)) return (NULL); she.line = ev.str; @@ -1185,6 +1206,31 @@ add_history(const char *line) /* + * remove the specified entry from the history list and return it. + */ +HIST_ENTRY * +remove_history(int num) +{ + HIST_ENTRY *she; + HistEvent ev; + + if (h == NULL || e == NULL) + rl_initialize(); + + if (history(h, &ev, H_DEL, num) != 0) + return NULL; + + if ((she = malloc(sizeof(*she))) == NULL) + return NULL; + + she->line = ev.str; + she->data = NULL; + + return she; +} + + +/* * clear the history list - delete all entries */ void @@ -1377,172 +1423,18 @@ history_search_pos(const char *str, /********************************/ /* 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 callers's responsibility to free() returned string - */ char * -tilde_expand(char *txt) +tilde_expand(char *name) { - 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 { - len = temp - txt + 1; /* text until string after slash */ - temp = malloc(len); - if (temp == NULL) - return NULL; - (void)strncpy(temp, txt + 1, len - 2); - temp[len - 2] = '\0'; - } - pass = getpwnam(temp); - 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; - - temp = malloc(strlen(pass->pw_dir) + 1 + strlen(txt) + 1); - if (temp == NULL) - return NULL; - (void)sprintf(temp, "%s/%s", pass->pw_dir, txt); - - return (temp); + return fn_tilde_expand(name); } - -/* - * 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 caller's responsibility to free returned string - */ char * -filename_completion_function(const char *text, int state) +filename_completion_function(const char *name, int state) { - static DIR *dir = NULL; - static char *filename = NULL, *dirname = 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 = realloc(filename, strlen(temp) + 1); - if (nptr == NULL) { - free(filename); - return NULL; - } - filename = nptr; - (void)strcpy(filename, temp); - len = temp - text; /* including last slash */ - nptr = realloc(dirname, len + 1); - if (nptr == NULL) { - free(filename); - return NULL; - } - dirname = nptr; - (void)strncpy(dirname, text, len); - dirname[len] = '\0'; - } else { - if (*text == 0) - filename = NULL; - else { - filename = strdup(text); - if (filename == NULL) - return NULL; - } - dirname = NULL; - } - - /* support for ``~user'' syntax */ - if (dirname && *dirname == '~') { - char *nptr; - temp = tilde_expand(dirname); - if (temp == NULL) - return NULL; - nptr = realloc(dirname, strlen(temp) + 1); - if (nptr == NULL) { - free(dirname); - return NULL; - } - dirname = nptr; - (void)strcpy(dirname, temp); /* safe */ - free(temp); /* no longer needed */ - } - /* will be used in cycle */ - filename_len = filename ? strlen(filename) : 0; - - if (dir != NULL) { - (void)closedir(dir); - dir = NULL; - } - dir = opendir(dirname ? dirname : "."); - if (!dir) - return (NULL); /* cannot open the directory */ - } - /* 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] - /* Some dirents have d_namlen, but it is not portable. */ - && strlen(entry->d_name) >= filename_len - && strncmp(entry->d_name, filename, - filename_len) == 0) - break; - } - - if (entry) { /* match found */ - - struct stat stbuf; - /* Some dirents have d_namlen, but it is not portable. */ - len = strlen(entry->d_name) + - ((dirname) ? strlen(dirname) : 0) + 1 + 1; - temp = malloc(len); - if (temp == NULL) - return NULL; - (void)sprintf(temp, "%s%s", - dirname ? dirname : "", entry->d_name); /* safe */ - - /* test, if it's directory */ - if (stat(temp, &stbuf) == 0 && S_ISDIR(stbuf.st_mode)) - strcat(temp, "/"); /* safe */ - } else { - (void)closedir(dir); - dir = NULL; - temp = NULL; - } - - return (temp); + return fn_filename_completion_function(name, state); } - /* * a completion generator for usernames; returns _first_ username * which starts with supplied text @@ -1564,6 +1456,7 @@ username_completion_function(const char *text, int state) if (state == 0) setpwent(); + /* XXXMYSQL: just use non-_r functions for now */ while ((pwd = getpwent()) && text[0] == pwd->pw_name[0] && strcmp(text, pwd->pw_name) == 0); @@ -1576,16 +1469,6 @@ username_completion_function(const char *text, int state) /* - * el-compatible wrapper around rl_complete; needed for key binding - */ -/* ARGSUSED */ -static unsigned char -_el_rl_complete(EditLine *el __attribute__((__unused__)), int ch) -{ - return (unsigned char) rl_complete(0, ch); -} - -/* * el-compatible wrapper to send TSTP on ^Z */ /* ARGSUSED */ @@ -1597,272 +1480,35 @@ _el_rl_tstp(EditLine *el __attribute__((__unused__)), int ch __attribute__((__un } /* - * returns list of completions for text given - */ -char ** -completion_matches(const char *text, CPFunction *genfunc) -{ - char **match_list = NULL, *retstr, *prevstr; - size_t match_list_len, max_equal, which, i; - size_t matches; - - if (h == NULL || e == NULL) - rl_initialize(); - - 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 = realloc(match_list, - match_list_len * sizeof(char *)); - if (nmatch_list == NULL) { - 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 = malloc(max_equal + 1); - if (retstr == NULL) { - 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] = (char *) NULL; - - return (match_list); -} - -/* - * Sort function for qsort(). Just wrapper around strcasecmp(). - */ -static int -_rl_qsort_string_compare(i1, i2) - const void *i1, *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, 'len' is number of strings in 'matches', * 'max' is maximum length of string in 'matches'. */ void -rl_display_match_list (matches, len, max) - char **matches; - int len, max; +rl_display_match_list(char **matches, int len, int max) { - int i, idx, limit, count; - int screenwidth = e->el_term.t_size.h; - /* - * Find out how many entries can be put on one line, count - * with two spaces between strings. - */ - limit = screenwidth / (max + 2); - if (limit == 0) - limit = 1; - - /* how many lines of output */ - count = len / limit; - if (count * limit < len) - count++; - - /* Sort the items if they are not already sorted. */ - qsort(&matches[1], (size_t)(len - 1), sizeof(char *), - _rl_qsort_string_compare); - - idx = 1; - for(; count > 0; count--) { - for(i = 0; i < limit && matches[idx]; i++, idx++) - (void)fprintf(e->el_outfile, "%-*s ", max, - matches[idx]); - (void)fprintf(e->el_outfile, "\n"); - } + fn_display_match_list(e, matches, len, max); } -/* - * Complete the word at or before point, called by rl_complete() - * 'what_to_do' says what to do with the completion. - * `?' means list the possible completions. - * TAB means do standard completion. - * `*' 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 - */ -static int -_rl_complete_internal(int what_to_do) +static const char * +/*ARGSUSED*/ +_rl_completion_append_character_function(const char *dummy + __attribute__((__unused__))) { - CPFunction *complet_func; - const LineInfo *li; - char *temp, **matches; - const char *ctemp; - size_t len; - - rl_completion_type = what_to_do; - - if (h == NULL || e == NULL) - rl_initialize(); - - complet_func = rl_completion_entry_function; - if (!complet_func) - complet_func = filename_completion_function; - - /* We now look backwards for the start of a filename/variable word */ - li = el_line(e); - ctemp = (const char *) li->cursor; - while (ctemp > li->buffer - && !strchr(rl_basic_word_break_characters, ctemp[-1]) - && (!rl_special_prefixes - || !strchr(rl_special_prefixes, ctemp[-1]) ) ) - ctemp--; - - len = li->cursor - ctemp; - temp = alloca(len + 1); - (void)strncpy(temp, ctemp, len); - temp[len] = '\0'; - - /* these can be used by function called in completion_matches() */ - /* or (*rl_attempted_completion_function)() */ - _rl_update_pos(); - - if (rl_attempted_completion_function) { - int end = li->cursor - li->buffer; - matches = (*rl_attempted_completion_function) (temp, (int) - (end - len), end); - } else - matches = 0; - if (!rl_attempted_completion_function || !matches) - matches = completion_matches(temp, complet_func); - - if (matches) { - int i, retval = CC_REFRESH; - int matches_num, maxlen, match_len, match_display=1; - - /* - * Only replace the completed string with common part of - * possible matches if there is possible completion. - */ - if (matches[0][0] != '\0') { - el_deletestr(e, (int) len); - el_insertstr(e, matches[0]); - } - - if (what_to_do == '?') - goto display_matches; - - if (matches[2] == 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. - */ - size_t alen = strlen(matches[0]); - if ((complet_func != filename_completion_function - || (alen > 0 && (matches[0])[alen - 1] != '/')) - && rl_completion_append_character) { - char buf[2]; - buf[0] = rl_completion_append_character; - buf[1] = '\0'; - el_insertstr(e, buf); - } - } else if (what_to_do == '!') { - display_matches: - /* - * 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_num = i - 1; - - /* newline to get on next line from command line */ - (void)fprintf(e->el_outfile, "\n"); - - /* - * If there are too many items, ask user for display - * confirmation. - */ - if (matches_num > rl_completion_query_items) { - (void)fprintf(e->el_outfile, - "Display all %d possibilities? (y or n) ", - matches_num); - (void)fflush(e->el_outfile); - if (getc(stdin) != 'y') - match_display = 0; - (void)fprintf(e->el_outfile, "\n"); - } - - if (match_display) - rl_display_match_list(matches, matches_num, - maxlen); - 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(e); - } else { - /* lcd is not a valid object - further specification */ - /* is needed */ - el_beep(e); - retval = CC_NORM; - } - - /* free elements of array and the array itself */ - for (i = 0; matches[i]; i++) - free(matches[i]); - free(matches), matches = NULL; - - return (retval); - } - return (CC_NORM); + static char buf[2]; + buf[0] = rl_completion_append_character; + buf[1] = '\0'; + return buf; } /* * complete word at current point */ +/* ARGSUSED */ int -/*ARGSUSED*/ -rl_complete(int ignore, int invoking_key) +rl_complete(int ignore __attribute__((__unused__)), int invoking_key) { if (h == NULL || e == NULL) rl_initialize(); @@ -1873,15 +1519,26 @@ rl_complete(int ignore, int invoking_key) arr[1] = '\0'; el_insertstr(e, arr); return (CC_REFRESH); - } else if (e->el_state.lastcmd == el_rl_complete_cmdnum) - return _rl_complete_internal('?'); - else if (_rl_complete_show_all) - return _rl_complete_internal('!'); - else - return _rl_complete_internal(TAB); + } + + /* Just look at how many global variables modify this operation! */ + return fn_complete(e, + (CPFunction *)rl_completion_entry_function, + rl_attempted_completion_function, + rl_basic_word_break_characters, rl_special_prefixes, + _rl_completion_append_character_function, rl_completion_query_items, + &rl_completion_type, &rl_attempted_completion_over, + &rl_point, &rl_end); } +/* ARGSUSED */ +static unsigned char +_el_rl_complete(EditLine *el __attribute__((__unused__)), int ch) +{ + return (unsigned char)rl_complete(0, ch); +} + /* * misc other functions */ @@ -1989,7 +1646,7 @@ int rl_add_defun(const char *name, Function *fun, int c) { char dest[8]; - if (c >= sizeof(map) / sizeof(map[0]) || c < 0) + if ((size_t)c >= sizeof(map) / sizeof(map[0]) || c < 0) return -1; map[(unsigned char)c] = fun; el_set(e, EL_ADDFN, name, name, rl_bind_wrapper); @@ -2007,11 +1664,7 @@ rl_callback_read_char() if (buf == NULL || count-- <= 0) return; -#ifdef CTRL2 /* _AIX */ - if (count == 0 && buf[0] == CTRL2('d')) -#else - if (count == 0 && buf[0] == CTRL('d')) -#endif + if (count == 0 && buf[0] == e->el_tty.t_c[TS_IO][C_EOF]) done = 1; if (buf[count] == '\n' || buf[count] == '\r') done = 2; @@ -2029,14 +1682,12 @@ rl_callback_read_char() } void -rl_callback_handler_install (const char *prompt, VFunction *linefunc) +rl_callback_handler_install(const char *prompt, VCPFunction *linefunc) { if (e == NULL) { rl_initialize(); } - if (rl_prompt) - free(rl_prompt); - rl_prompt = prompt ? strdup(strchr(prompt, *prompt)) : NULL; + (void)rl_set_prompt(prompt); rl_linefunc = linefunc; el_set(e, EL_UNBUFFERED, 1); } @@ -2045,17 +1696,14 @@ void rl_callback_handler_remove(void) { el_set(e, EL_UNBUFFERED, 0); + rl_linefunc = NULL; } void rl_redisplay(void) { char a[2]; -#ifdef CTRL2 /* _AIX */ - a[0] = CTRL2('r'); -#else - a[0] = CTRL('r'); -#endif + a[0] = e->el_tty.t_c[TS_IO][C_REPRINT]; a[1] = '\0'; el_push(e, a); } @@ -2079,7 +1727,7 @@ rl_prep_terminal(int meta_flag) } void -rl_deprep_terminal() +rl_deprep_terminal(void) { el_set(e, EL_PREP_TERM, 0); } @@ -2104,6 +1752,16 @@ rl_parse_and_bind(const char *line) return (argc ? 1 : 0); } +int +rl_variable_bind(const char *var, const char *value) +{ + /* + * The proper return value is undocument, but this is what the + * readline source seems to do. + */ + return ((el_set(e, EL_BIND, "", var, value) == -1) ? 1 : 0); +} + void rl_stuff_char(int c) { @@ -2119,7 +1777,7 @@ _rl_event_read_char(EditLine *el, char *cp) { int n, num_read = 0; - *cp = 0; + *cp = '\0'; while (rl_event_hook) { (*rl_event_hook)(); @@ -2164,3 +1822,142 @@ _rl_update_pos(void) rl_point = li->cursor - li->buffer; rl_end = li->lastchar - li->buffer; } + +void +rl_get_screen_size(int *rows, int *cols) +{ + if (rows) + el_get(e, EL_GETTC, "li", rows); + if (cols) + el_get(e, EL_GETTC, "co", cols); +} + +void +rl_set_screen_size(int rows, int cols) +{ + char buf[64]; + (void)snprintf(buf, sizeof(buf), "%d", rows); + el_set(e, EL_SETTC, "li", buf); + (void)snprintf(buf, sizeof(buf), "%d", cols); + el_set(e, EL_SETTC, "co", buf); +} + +char ** +rl_completion_matches(const char *str, rl_compentry_func_t *fun) +{ + size_t len, max, i, j, min; + char **list, *match, *a, *b; + + len = 1; + max = 10; + if ((list = malloc(max * sizeof(*list))) == NULL) + return NULL; + + while ((match = (*fun)(str, (int)(len - 1))) != NULL) { + if (len == max) { + char **nl; + max += 10; + if ((nl = realloc(list, max * sizeof(*nl))) == NULL) + goto out; + list = nl; + } + list[len++] = match; + } + if (len == 1) + goto out; + list[len] = NULL; + if (len == 2) { + if ((list[0] = strdup(list[1])) == NULL) + goto out; + return list; + } + qsort(&list[1], len - 1, sizeof(*list), + (int (*)(const void *, const void *)) strcmp); + min = SIZE_T_MAX; + for (i = 1, a = list[i]; i < len - 1; i++, a = b) { + b = list[i + 1]; + for (j = 0; a[j] && a[j] == b[j]; j++) + continue; + if (min > j) + min = j; + } + if (min == 0 && *str) { + if ((list[0] = strdup(str)) == NULL) + goto out; + } else { + if ((list[0] = malloc(min + 1)) == NULL) + goto out; + (void)memcpy(list[0], list[1], min); + list[0][min] = '\0'; + } + return list; + +out: + free(list); + return NULL; +} + +char * +rl_filename_completion_function (const char *text, int state) +{ + return fn_filename_completion_function(text, state); +} + +void +rl_forced_update_display(void) +{ + el_set(e, EL_REFRESH); +} + +int +_rl_abort_internal(void) +{ + el_beep(e); + longjmp(topbuf, 1); + /*NOTREACHED*/ +} + +int +_rl_qsort_string_compare(char **s1, char **s2) +{ + return strcoll(*s1, *s2); +} + +int +/*ARGSUSED*/ +rl_kill_text(int from, int to) +{ + return 0; +} + +Keymap +rl_make_bare_keymap(void) +{ + return NULL; +} + +Keymap +rl_get_keymap(void) +{ + return NULL; +} + +void +/*ARGSUSED*/ +rl_set_keymap(Keymap k) +{ +} + +int +/*ARGSUSED*/ +rl_generic_bind(int type, const char * keyseq, const char * data, Keymap k) +{ + return 0; +} + +int +/*ARGSUSED*/ +rl_bind_key_in_map(int key, Function *fun, Keymap k) +{ + return 0; +} |