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250 lines
6.8 KiB
250 lines
6.8 KiB
--- libedit-20170329-3.1/src/filecomplete.c 2017-03-29 21:15:04.000000000 +0300
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+++ libedit-20170329-3.1/src/filecomplete.c 2017-05-21 02:23:16.000000000 +0300
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@@ -51,6 +51,7 @@
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#include "filecomplete.h"
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static const wchar_t break_chars[] = L" \t\n\"\\'`@$><=;|&{(";
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+static const wchar_t extra_quote_chars[] = L")}*?[$\0";
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/********************************/
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/* completion functions */
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@@ -405,10 +406,14 @@
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char **(*attempted_completion_function)(const char *, int, int),
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const wchar_t *word_break, const wchar_t *special_prefixes,
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const char *(*app_func)(const char *), size_t query_items,
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- int *completion_type, int *over, int *point, int *end)
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+ int *completion_type, int *over, int *point, int *end,
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+ const char *(*find_word_start_func)(const char *, const char *),
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+ char *(*dequoting_func)(const char *),
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+ char *(*quoting_func)(const char *))
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{
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const LineInfoW *li;
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wchar_t *temp;
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+ char *dequoted_temp;
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char **matches;
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const wchar_t *ctemp;
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size_t len;
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@@ -429,17 +434,28 @@
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/* We now look backwards for the start of a filename/variable word */
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li = el_wline(el);
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+ if (find_word_start_func)
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+ ctemp = ct_decode_string(find_word_start_func(ct_encode_string(li->buffer,&el->el_scratch), ct_encode_string(li->cursor,&el->el_scratch)),&el->el_scratch);
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+ else {
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ctemp = li->cursor;
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while (ctemp > li->buffer
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&& !wcschr(word_break, ctemp[-1])
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&& (!special_prefixes || !wcschr(special_prefixes, ctemp[-1]) ) )
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ctemp--;
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+ }
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len = (size_t)(li->cursor - ctemp);
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temp = el_malloc((len + 1) * sizeof(*temp));
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(void)wcsncpy(temp, ctemp, len);
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temp[len] = '\0';
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+ if (dequoting_func) {
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+ dequoted_temp = dequoting_func(ct_encode_string(temp,&el->el_scratch));
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+ if (dequoted_temp == NULL)
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+ return retval;
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+ } else
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+ dequoted_temp = NULL;
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+
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/* these can be used by function called in completion_matches() */
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/* or (*attempted_completion_function)() */
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if (point != NULL)
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@@ -450,14 +466,14 @@
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if (attempted_completion_function) {
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int cur_off = (int)(li->cursor - li->buffer);
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matches = (*attempted_completion_function)(
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- ct_encode_string(temp, &el->el_scratch),
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+ dequoted_temp? dequoted_temp : ct_encode_string(temp, &el->el_scratch),
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cur_off - (int)len, cur_off);
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} else
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matches = NULL;
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if (!attempted_completion_function ||
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(over != NULL && !*over && !matches))
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matches = completion_matches(
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- ct_encode_string(temp, &el->el_scratch), complet_func);
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+ dequoted_temp? dequoted_temp : ct_encode_string(temp, &el->el_scratch), complet_func);
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if (over != NULL)
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*over = 0;
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@@ -472,9 +488,18 @@
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* possible matches if there is possible completion.
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*/
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if (matches[0][0] != '\0') {
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+ char *quoted_match;
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+ if (quoting_func) {
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+ quoted_match = quoting_func(matches[0]);
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+ if (quoted_match == NULL)
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+ goto free_matches;
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+ } else
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+ quoted_match = NULL;
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+
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el_deletestr(el, (int) len);
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el_winsertstr(el,
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- ct_decode_string(matches[0], &el->el_scratch));
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+ ct_decode_string(quoted_match? quoted_match : matches[0], &el->el_scratch));
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+ free(quoted_match);
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}
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@@ -545,12 +570,14 @@
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retval = CC_NORM;
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}
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+free_matches:
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/* free elements of array and the array itself */
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for (i = 0; matches[i]; i++)
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el_free(matches[i]);
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el_free(matches);
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matches = NULL;
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}
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+ el_free(dequoted_temp);
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el_free(temp);
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return retval;
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}
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@@ -564,5 +591,102 @@
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{
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return (unsigned char)fn_complete(el, NULL, NULL,
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break_chars, NULL, NULL, (size_t)100,
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- NULL, NULL, NULL, NULL);
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+ NULL, NULL, NULL, NULL,
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+ NULL, NULL, NULL);
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+}
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+
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+static const char *
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+sh_find_word_start(const char *buffer, const char *cursor)
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+{
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+ const char *word_start = buffer;
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+
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+ while (buffer < cursor) {
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+ if (*buffer == '\\')
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+ buffer++;
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+ else if (strchr(break_chars, *buffer))
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+ word_start = buffer + 1;
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+
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+ buffer++;
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+ }
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+
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+ return word_start;
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+}
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+
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+
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+static char *
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+sh_quote(const char *str)
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+{
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+ const char *src;
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+ int extra_len = 0;
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+ char *quoted_str, *dst;
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+
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+ if (*str == '-' || *str == '+')
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+ extra_len += 2;
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+ for (src = str; *src != '\0'; src++)
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+ if (strchr(break_chars, *src) ||
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+ strchr(extra_quote_chars, *src))
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+ extra_len++;
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+
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+ quoted_str = malloc(sizeof(*quoted_str) *
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+ (strlen(str) + extra_len + 1));
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+ if (quoted_str == NULL)
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+ return NULL;
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+
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+ dst = quoted_str;
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+ if (*str == '-' || *str == '+')
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+ *dst++ = '.', *dst++ = '/';
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+ for (src = str; *src != '\0'; src++) {
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+ if (strchr(break_chars, *src) ||
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+ strchr(extra_quote_chars, *src))
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+ *dst++ = '\\';
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+ *dst++ = *src;
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+ }
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+ *dst = '\0';
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+
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+ return quoted_str;
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+}
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+
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+
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+static char *
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+sh_dequote(const char *str)
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+{
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+ char *dequoted_str, *dst;
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+
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+ /* save extra space to replace \~ with ./~ */
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+ dequoted_str = malloc(sizeof(*dequoted_str) * (strlen(str) + 1 + 1));
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+ if (dequoted_str == NULL)
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+ return NULL;
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+
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+ dst = dequoted_str;
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+
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+ /* dequote \~ at start as ./~ */
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+ if (*str == '\\' && str[1] == '~') {
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+ str++;
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+ *dst++ = '.';
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+ *dst++ = '/';
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+ }
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+
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+ while (*str) {
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+ if (*str == '\\')
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+ str++;
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+ if (*str)
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+ *dst++ = *str++;
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+ }
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+ *dst = '\0';
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+
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+ return dequoted_str;
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+}
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+
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+
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+/*
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+ * completion function using sh quoting rules; for key binding
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+ */
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+/* ARGSUSED */
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+unsigned char
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+_el_fn_sh_complete(EditLine *el, int ch __attribute__((__unused__)))
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+{
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+ return (unsigned char)fn_complete(el, NULL, NULL,
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+ break_chars, NULL, NULL, 100,
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+ NULL, NULL, NULL, NULL,
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+ sh_find_word_start, sh_dequote, sh_quote);
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}
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--- libedit-20170329-3.1/src/readline.c 2017-03-29 21:15:04.000000000 +0300
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+++ libedit-20170329-3.1/src/readline.c 2017-05-21 02:24:57.000000000 +0300
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@@ -1869,7 +1869,7 @@
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_rl_completion_append_character_function,
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(size_t)rl_completion_query_items,
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&rl_completion_type, &rl_attempted_completion_over,
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- &rl_point, &rl_end);
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+ &rl_point, &rl_end, NULL, NULL, NULL);
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}
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--- libedit-20170329-3.1/src/histedit.h 2017-03-29 21:08:21.000000000 +0300
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+++ libedit-20170329-3.1/src/histedit.h 2017-05-21 02:32:04.000000000 +0300
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@@ -113,6 +113,7 @@
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int el_set(EditLine *, int, ...);
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int el_get(EditLine *, int, ...);
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unsigned char _el_fn_complete(EditLine *, int);
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+unsigned char _el_fn_sh_complete(EditLine *, int);
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/*
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* el_set/el_get parameters
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--- libedit-20170329-3.1/src/filecomplete.h 2017-03-29 21:08:21.000000000 +0300
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+++ libedit-20170329-3.1/src/filecomplete.h 2017-05-21 02:32:27.000000000 +0300
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@@ -35,7 +35,10 @@
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char *(*)(const char *, int),
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char **(*)(const char *, int, int),
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const wchar_t *, const wchar_t *, const char *(*)(const char *), size_t,
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- int *, int *, int *, int *);
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+ int *, int *, int *, int *,
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+ const char *(*)(const char *, const char *),
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+ char *(*)(const char *),
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+ char *(*)(const char *));
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void fn_display_match_list(EditLine *, char **, size_t, size_t);
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char *fn_tilde_expand(const char *);
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