diff options
Diffstat (limited to 'contrib/libreadline/histexpand.c')
| -rw-r--r-- | contrib/libreadline/histexpand.c | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/contrib/libreadline/histexpand.c b/contrib/libreadline/histexpand.c index 78da3e5..1c8a1d9 100644 --- a/contrib/libreadline/histexpand.c +++ b/contrib/libreadline/histexpand.c @@ -56,6 +56,8 @@ #define HISTORY_WORD_DELIMITERS " \t\n;&()|<>" #define HISTORY_QUOTE_CHARACTERS "\"'`" +typedef int _hist_search_func_t __P((const char *, int)); + static char error_pointer; static char *subst_lhs; @@ -91,9 +93,12 @@ char *history_no_expand_chars = " \t\n\r="; The default is 0. */ int history_quotes_inhibit_expansion = 0; +/* Used to split words by history_tokenize_internal. */ +char *history_word_delimiters = HISTORY_WORD_DELIMITERS; + /* If set, this points to a function that is called to verify that a particular history expansion should be performed. */ -Function *history_inhibit_expansion_function; +rl_linebuf_func_t *history_inhibit_expansion_function; /* **************************************************************** */ /* */ @@ -122,7 +127,7 @@ static char *search_match; line = get_history_event ("!echo:p", &index, 0); */ char * get_history_event (string, caller_index, delimiting_quote) - char *string; + const char *string; int *caller_index; int delimiting_quote; { @@ -130,7 +135,7 @@ get_history_event (string, caller_index, delimiting_quote) register char c; HIST_ENTRY *entry; int which, sign, local_index, substring_okay; - Function *search_func; + _hist_search_func_t *search_func; char *temp; /* The event can be specified in a number of ways. @@ -340,7 +345,8 @@ hist_error(s, start, current, errtype) char *s; int start, current, errtype; { - char *temp, *emsg; + char *temp; + const char *emsg; int ll, elen; ll = current - start; @@ -622,7 +628,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line) case '&': case 's': { - char *new_event, *t; + char *new_event; int delimiter, failed, si, l_temp; if (c == 's') @@ -741,7 +747,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line) char *x; if (want_quotes == 'q') - x = single_quote (temp); + x = sh_single_quote (temp); else if (want_quotes == 'x') x = quote_breaks (temp); else @@ -816,6 +822,9 @@ history_expand (hstring, output) /* Used when adding the string. */ char *temp; + if (output == 0) + return 0; + /* Setting the history expansion character to 0 inhibits all history expansion. */ if (history_expansion_char == 0) @@ -865,7 +874,7 @@ history_expand (hstring, output) history expansion performed on it. Skip the rest of the line and break out of the loop. */ if (history_comment_char && string[i] == history_comment_char && - (i == 0 || member (string[i - 1], HISTORY_WORD_DELIMITERS))) + (i == 0 || member (string[i - 1], history_word_delimiters))) { while (string[i]) i++; @@ -963,7 +972,7 @@ history_expand (hstring, output) } case -2: /* history_comment_char */ - if (i == 0 || member (string[i - 1], HISTORY_WORD_DELIMITERS)) + if (i == 0 || member (string[i - 1], history_word_delimiters)) { temp = xmalloc (l - i + 1); strcpy (temp, string + i); @@ -1151,7 +1160,7 @@ get_history_word_specifier (spec, from, caller_index) char * history_arg_extract (first, last, string) int first, last; - char *string; + const char *string; { register int i, len; char *result; @@ -1217,13 +1226,18 @@ history_arg_extract (first, last, string) *INDP. */ static char ** history_tokenize_internal (string, wind, indp) - char *string; + const char *string; int wind, *indp; { char **result; register int i, start, result_index, size; int len, delimiter; + /* If we're searching for a string that's not part of a word (e.g., " "), + make sure we set *INDP to a reasonable value. */ + if (indp && wind != -1) + *indp = -1; + /* Get a token, and stuff it into RESULT. The tokens are split exactly where the shell would split them. */ for (i = result_index = size = 0, result = (char **)NULL; string[i]; ) @@ -1298,7 +1312,7 @@ history_tokenize_internal (string, wind, indp) continue; } - if (!delimiter && (member (string[i], HISTORY_WORD_DELIMITERS))) + if (!delimiter && (member (string[i], history_word_delimiters))) break; if (!delimiter && member (string[i], HISTORY_QUOTE_CHARACTERS)) @@ -1328,7 +1342,7 @@ history_tokenize_internal (string, wind, indp) parsed out of STRING. */ char ** history_tokenize (string) - char *string; + const char *string; { return (history_tokenize_internal (string, -1, (int *)NULL)); } @@ -1345,7 +1359,7 @@ history_find_word (line, ind) int i, wind; words = history_tokenize_internal (line, ind, &wind); - if (wind == -1) + if (wind == -1 || words == 0) return ((char *)NULL); s = words[wind]; for (i = 0; i < wind; i++) |
