diff options
Diffstat (limited to 'contrib/libreadline/complete.c')
| -rw-r--r-- | contrib/libreadline/complete.c | 189 |
1 files changed, 83 insertions, 106 deletions
diff --git a/contrib/libreadline/complete.c b/contrib/libreadline/complete.c index fb48712..927bd52 100644 --- a/contrib/libreadline/complete.c +++ b/contrib/libreadline/complete.c @@ -49,18 +49,6 @@ extern int errno; #endif /* !errno */ #include <pwd.h> -#if !defined (HAVE_GETPW_DECLS) -extern struct passwd *getpwent (); -#endif /* USG && !HAVE_GETPW_DECLS */ - -/* ISC systems don't define getpwent() if _POSIX_SOURCE is defined. */ -#if defined (isc386) && defined (_POSIX_SOURCE) -# if defined (__STDC__) -extern struct passwd *getpwent (void); -# else -extern struct passwd *getpwent (); -# endif /* !__STDC__ */ -#endif /* isc386 && _POSIX_SOURCE */ #include "posixdir.h" #include "posixstat.h" @@ -79,6 +67,12 @@ typedef int QSFUNC (const void *, const void *); typedef int QSFUNC (); #endif +/* Most systems don't declare getpwent in <pwd.h> if _POSIX_SOURCE is + defined. */ +#if !defined (HAVE_GETPW_DECLS) || defined (_POSIX_SOURCE) +extern struct passwd *getpwent __P((void)); +#endif /* !HAVE_GETPW_DECLS || _POSIX_SOURCE */ + /* If non-zero, then this is the address of a function to call when completing a word would normally display the list of possible matches. This function is called instead of actually doing the display. @@ -86,11 +80,7 @@ typedef int QSFUNC (); where MATCHES is the array of strings that matched, NUM_MATCHES is the number of strings in that array, and MAX_LENGTH is the length of the longest string in that array. */ -VFunction *rl_completion_display_matches_hook = (VFunction *)NULL; - -/* Forward declarations for functions defined and used in this file. */ -char *filename_completion_function __P((char *, int)); -char **completion_matches __P((char *, CPFunction *)); +rl_compdisp_func_t *rl_completion_display_matches_hook = (rl_compdisp_func_t *)NULL; #if defined (VISIBLE_STATS) # if !defined (X_OK) @@ -100,14 +90,13 @@ static int stat_char __P((char *)); #endif static char *rl_quote_filename __P((char *, int, char *)); -static char *rl_strpbrk __P((char *, char *)); static char **remove_duplicate_matches __P((char **)); static void insert_match __P((char *, int, int, char *)); static int append_to_match __P((char *, int, int)); static void insert_all_matches __P((char **, int, char *)); static void display_matches __P((char **)); -static int compute_lcd_of_matches __P((char **, int, char *)); +static int compute_lcd_of_matches __P((char **, int, const char *)); /* **************************************************************** */ /* */ @@ -146,15 +135,17 @@ int rl_visible_stats = 0; /* If non-zero, then this is the address of a function to call when completing on a directory name. The function is called with the address of a string (the current directory name) as an arg. */ -Function *rl_directory_completion_hook = (Function *)NULL; +rl_icppfunc_t *rl_directory_completion_hook = (rl_icppfunc_t *)NULL; + +rl_icppfunc_t *rl_directory_rewrite_hook = (rl_icppfunc_t *)NULL; /* Non-zero means readline completion functions perform tilde expansion. */ int rl_complete_with_tilde_expansion = 0; /* Pointer to the generator function for completion_matches (). - NULL means to use filename_completion_function (), the default filename + NULL means to use rl_filename_completion_function (), the default filename completer. */ -Function *rl_completion_entry_function = (Function *)NULL; +rl_compentry_func_t *rl_completion_entry_function = (rl_compentry_func_t *)NULL; /* Pointer to alternative function to create matches. Function is called with TEXT, START, and END. @@ -163,7 +154,7 @@ Function *rl_completion_entry_function = (Function *)NULL; If this function exists and returns NULL then call the value of rl_completion_entry_function to try to match, otherwise use the array of strings returned. */ -CPPFunction *rl_attempted_completion_function = (CPPFunction *)NULL; +rl_completion_func_t *rl_attempted_completion_function = (rl_completion_func_t *)NULL; /* Non-zero means to suppress normal filename completion after the user-specified completion function has been called. */ @@ -182,29 +173,29 @@ int rl_completion_query_items = 100; /* The basic list of characters that signal a break between words for the completer routine. The contents of this variable is what breaks words in the shell, i.e. " \t\n\"\\'`@$><=" */ -char *rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&{("; +const char *rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&{("; /* List of basic quoting characters. */ -char *rl_basic_quote_characters = "\"'"; +const char *rl_basic_quote_characters = "\"'"; /* The list of characters that signal a break between words for rl_complete_internal. The default list is the contents of rl_basic_word_break_characters. */ -char *rl_completer_word_break_characters = (char *)NULL; +const char *rl_completer_word_break_characters = (const char *)NULL; /* List of characters which can be used to quote a substring of the line. Completion occurs on the entire substring, and within the substring rl_completer_word_break_characters are treated as any other character, unless they also appear within this list. */ -char *rl_completer_quote_characters = (char *)NULL; +const char *rl_completer_quote_characters = (const char *)NULL; /* List of characters that should be quoted in filenames by the completer. */ -char *rl_filename_quote_characters = (char *)NULL; +const char *rl_filename_quote_characters = (const char *)NULL; /* List of characters that are word break characters, but should be left in TEXT when it is passed to the completion function. The shell uses this to help determine what kind of completing to do. */ -char *rl_special_prefixes = (char *)NULL; +const char *rl_special_prefixes = (const char *)NULL; /* If non-zero, then disallow duplicates in the matches. */ int rl_ignore_completion_duplicates = 1; @@ -230,24 +221,24 @@ int rl_filename_quoting_desired = 1; the list of matches as required, but all elements of the array must be free()'d if they are deleted. The main intent of this function is to implement FIGNORE a la SunOS csh. */ -Function *rl_ignore_some_completions_function = (Function *)NULL; +rl_compignore_func_t *rl_ignore_some_completions_function = (rl_compignore_func_t *)NULL; /* Set to a function to quote a filename in an application-specific fashion. Called with the text to quote, the type of match found (single or multiple) and a pointer to the quoting character to be used, which the function can reset if desired. */ -CPFunction *rl_filename_quoting_function = rl_quote_filename; +rl_quote_func_t *rl_filename_quoting_function = rl_quote_filename; /* Function to call to remove quoting characters from a filename. Called before completion is attempted, so the embedded quotes do not interfere with matching names in the file system. Readline doesn't do anything with this; it's set only by applications. */ -CPFunction *rl_filename_dequoting_function = (CPFunction *)NULL; +rl_dequote_func_t *rl_filename_dequoting_function = (rl_dequote_func_t *)NULL; /* Function to call to decide whether or not a word break character is quoted. If a character is quoted, it does not break words for the completer. */ -Function *rl_char_is_quoted_p = (Function *)NULL; +rl_linebuf_func_t *rl_char_is_quoted_p = (rl_linebuf_func_t *)NULL; /* Character appended to completed words when at the end of the line. The default is a space. */ @@ -269,7 +260,7 @@ static int completion_changed_buffer; /* Complete the word at or before point. You have supplied the function that does the initial simple matching selection algorithm (see - completion_matches ()). The default is to do filename completion. */ + rl_completion_matches ()). The default is to do filename completion. */ int rl_complete (ignore, invoking_key) int ignore, invoking_key; @@ -305,27 +296,6 @@ rl_insert_completions (ignore, invoking_key) /* */ /************************************/ -/* Find the first occurrence in STRING1 of any character from STRING2. - Return a pointer to the character in STRING1. */ -static char * -rl_strpbrk (string1, string2) - char *string1, *string2; -{ - register char *scan; - - for (; *string1; string1++) - { - for (scan = string2; *scan; scan++) - { - if (*string1 == *scan) - { - return (string1); - } - } - } - return ((char *)NULL); -} - /* The user must press "y" or "n". Non-zero return means "y" pressed. */ static int get_y_or_n () @@ -334,14 +304,17 @@ get_y_or_n () for (;;) { + RL_SETSTATE(RL_STATE_MOREINPUT); c = rl_read_key (); + RL_UNSETSTATE(RL_STATE_MOREINPUT); + if (c == 'y' || c == 'Y' || c == ' ') return (1); if (c == 'n' || c == 'N' || c == RUBOUT) return (0); if (c == ABORT_CHAR) _rl_abort_internal (); - ding (); + rl_ding (); } } @@ -571,7 +544,11 @@ find_completion_word (fp, dp) continue; } - if (rl_line_buffer[scan] == '\\') + /* Shell-like semantics for single quotes -- don't allow backslash + to quote anything in single quotes, especially not the closing + quote. If you don't like this, take out the check on the value + of quote_char. */ + if (quote_char != '\'' && rl_line_buffer[scan] == '\\') { pass_next = 1; found_quote |= RL_QF_BACKSLASH; @@ -671,7 +648,7 @@ static char ** gen_completion_matches (text, start, end, our_func, found_quote, quote_char) char *text; int start, end; - Function *our_func; + rl_compentry_func_t *our_func; int found_quote, quote_char; { char **matches, *temp; @@ -695,7 +672,7 @@ gen_completion_matches (text, start, end, our_func, found_quote, quote_char) filename dequoting function. */ temp = (char *)NULL; - if (found_quote && our_func == (Function *)filename_completion_function && + if (found_quote && our_func == rl_filename_completion_function && rl_filename_dequoting_function) { /* delete single and double quotes */ @@ -703,7 +680,7 @@ gen_completion_matches (text, start, end, our_func, found_quote, quote_char) text = temp; /* not freeing text is not a memory leak */ } - matches = completion_matches (text, (CPFunction *)our_func); + matches = rl_completion_matches (text, our_func); FREE (temp); return matches; } @@ -775,7 +752,7 @@ static int compute_lcd_of_matches (match_list, matches, text) char **match_list; int matches; - char *text; + const char *text; { register int i, c1, c2, si; int low; /* Count of max-matched characters. */ @@ -901,11 +878,11 @@ rl_display_match_list (matches, len, max) /* How many items of MAX length can we fit in the screen window? */ max += 2; - limit = screenwidth / max; - if (limit != 1 && (limit * max == screenwidth)) + limit = _rl_screenwidth / max; + if (limit != 1 && (limit * max == _rl_screenwidth)) limit--; - /* Avoid a possible floating exception. If max > screenwidth, + /* Avoid a possible floating exception. If max > _rl_screenwidth, limit will be 0 and a divide-by-zero fault will result. */ if (limit == 0) limit = 1; @@ -921,7 +898,7 @@ rl_display_match_list (matches, len, max) if (rl_ignore_completion_duplicates == 0) qsort (matches + 1, len, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare); - crlf (); + rl_crlf (); if (_rl_print_completions_horizontally == 0) { @@ -943,7 +920,7 @@ rl_display_match_list (matches, len, max) } l += count; } - crlf (); + rl_crlf (); } } else @@ -957,13 +934,13 @@ rl_display_match_list (matches, len, max) if (matches[i+1]) { if (i && (limit > 1) && (i % limit) == 0) - crlf (); + rl_crlf (); else for (k = 0; k < max - printed_len; k++) putc (' ', rl_outstream); } } - crlf (); + rl_crlf (); } } @@ -992,9 +969,9 @@ display_matches (matches) if (matches[1] == 0) { temp = printable_part (matches[0]); - crlf (); + rl_crlf (); print_filename (temp, matches[0]); - crlf (); + rl_crlf (); rl_forced_update_display (); rl_display_fixed = 1; @@ -1026,12 +1003,12 @@ display_matches (matches) see them all. */ if (len >= rl_completion_query_items) { - crlf (); + rl_crlf (); fprintf (rl_outstream, "Display all %d possibilities? (y or n)", len); fflush (rl_outstream); if (get_y_or_n () == 0) { - crlf (); + rl_crlf (); rl_forced_update_display (); rl_display_fixed = 1; @@ -1079,7 +1056,7 @@ make_quoted_replacement (match, mtype, qc) This also checks whether the common prefix of several matches needs to be quoted. */ should_quote = rl_filename_quote_characters - ? (rl_strpbrk (match, rl_filename_quote_characters) != 0) + ? (_rl_strpbrk (match, rl_filename_quote_characters) != 0) : 0; do_replace = should_quote ? mtype : NO_MATCH; @@ -1232,11 +1209,12 @@ rl_complete_internal (what_to_do) int what_to_do; { char **matches; - Function *our_func; + rl_compentry_func_t *our_func; int start, end, delimiter, found_quote, i; char *text, *saved_line_buffer; char quote_char; + RL_SETSTATE(RL_STATE_COMPLETING); /* Only the completion entry function can change these. */ rl_filename_completion_desired = 0; rl_filename_quoting_desired = 1; @@ -1245,7 +1223,7 @@ rl_complete_internal (what_to_do) saved_line_buffer = rl_line_buffer ? savestring (rl_line_buffer) : (char *)NULL; our_func = rl_completion_entry_function ? rl_completion_entry_function - : (Function *)filename_completion_function; + : rl_filename_completion_function; /* We now look backwards for the start of a filename/variable word. */ end = rl_point; @@ -1266,27 +1244,23 @@ rl_complete_internal (what_to_do) if (matches == 0) { - ding (); + rl_ding (); FREE (saved_line_buffer); + RL_UNSETSTATE(RL_STATE_COMPLETING); return (0); } -#if 0 - /* If we are matching filenames, our_func will have been set to - filename_completion_function */ - i = our_func == (Function *)filename_completion_function; -#else /* If we are matching filenames, the attempted completion function will have set rl_filename_completion_desired to a non-zero value. The basic - filename_completion_function does this. */ + rl_filename_completion_function does this. */ i = rl_filename_completion_desired; -#endif if (postprocess_matches (&matches, i) == 0) { - ding (); + rl_ding (); FREE (saved_line_buffer); completion_changed_buffer = 0; + RL_UNSETSTATE(RL_STATE_COMPLETING); return (0); } @@ -1314,7 +1288,7 @@ rl_complete_internal (what_to_do) break; } else if (rl_editing_mode != vi_mode) - ding (); /* There are other matches remaining. */ + rl_ding (); /* There are other matches remaining. */ } else append_to_match (matches[0], delimiter, quote_char); @@ -1331,8 +1305,9 @@ rl_complete_internal (what_to_do) default: fprintf (stderr, "\r\nreadline: bad value %d for what_to_do in rl_complete\n", what_to_do); - ding (); + rl_ding (); FREE (saved_line_buffer); + RL_UNSETSTATE(RL_STATE_COMPLETING); return 1; } @@ -1345,6 +1320,7 @@ rl_complete_internal (what_to_do) free (saved_line_buffer); } + RL_UNSETSTATE(RL_STATE_COMPLETING); return 0; } @@ -1367,9 +1343,9 @@ rl_complete_internal (what_to_do) when there are no more matches. */ char ** -completion_matches (text, entry_function) - char *text; - CPFunction *entry_function; +rl_completion_matches (text, entry_function) + const char *text; + rl_compentry_func_t *entry_function; { /* Number of slots in match_list. */ int match_list_size; @@ -1414,8 +1390,8 @@ completion_matches (text, entry_function) TEXT contains a partial username preceded by a random character (usually `~'). */ char * -username_completion_function (text, state) - char *text; +rl_username_completion_function (text, state) + const char *text; int state; { #if defined (__WIN32__) || defined (__OPENNT) @@ -1471,8 +1447,8 @@ username_completion_function (text, state) because of all the pathnames that must be followed when looking up the completion for a command. */ char * -filename_completion_function (text, state) - char *text; +rl_filename_completion_function (text, state) + const char *text; int state; { static DIR *directory = (DIR *)NULL; @@ -1542,6 +1518,9 @@ filename_completion_function (text, state) dirname = temp; } + if (rl_directory_rewrite_hook) + (*rl_directory_rewrite_hook) (&dirname); + if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&dirname)) { free (users_dirname); @@ -1641,8 +1620,11 @@ filename_completion_function (text, state) else { dirlen = strlen (users_dirname); - temp = xmalloc (1 + dirlen + D_NAMLEN (entry)); + temp = xmalloc (2 + dirlen + D_NAMLEN (entry)); strcpy (temp, users_dirname); + /* Make sure that temp has a trailing slash here. */ + if (users_dirname[dirlen - 1] != '/') + temp[dirlen++] = '/'; } strcpy (temp + dirlen, entry->d_name); @@ -1667,7 +1649,7 @@ int rl_menu_complete (count, ignore) int count, ignore; { - Function *our_func; + rl_compentry_func_t *our_func; int matching_filenames, found_quote; static char *orig_text; @@ -1697,7 +1679,7 @@ rl_menu_complete (count, ignore) our_func = rl_completion_entry_function ? rl_completion_entry_function - : (Function *)filename_completion_function; + : rl_filename_completion_function; /* We now look backwards for the start of a filename/variable word. */ orig_end = rl_point; @@ -1716,19 +1698,14 @@ rl_menu_complete (count, ignore) matches = gen_completion_matches (orig_text, orig_start, orig_end, our_func, found_quote, quote_char); -#if 0 - /* If we are matching filenames, our_func will have been set to - filename_completion_function */ - matching_filenames = our_func == (Function *)filename_completion_function; -#else /* If we are matching filenames, the attempted completion function will have set rl_filename_completion_desired to a non-zero value. The basic - filename_completion_function does this. */ + rl_filename_completion_function does this. */ matching_filenames = rl_filename_completion_desired; -#endif + if (matches == 0 || postprocess_matches (&matches, matching_filenames) == 0) { - ding (); + rl_ding (); FREE (matches); matches = (char **)0; FREE (orig_text); @@ -1749,7 +1726,7 @@ rl_menu_complete (count, ignore) if (matches == 0 || match_list_size == 0) { - ding (); + rl_ding (); FREE (matches); matches = (char **)0; completion_changed_buffer = 0; @@ -1762,7 +1739,7 @@ rl_menu_complete (count, ignore) if (match_list_index == 0 && match_list_size > 1) { - ding (); + rl_ding (); insert_match (orig_text, orig_start, MULT_MATCH, "e_char); } else |
