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-rw-r--r--MSVC/readline/histsearch.c386
1 files changed, 193 insertions, 193 deletions
diff --git a/MSVC/readline/histsearch.c b/MSVC/readline/histsearch.c
index 5077e63..fc522fa 100644
--- a/MSVC/readline/histsearch.c
+++ b/MSVC/readline/histsearch.c
@@ -1,193 +1,193 @@
-/* histsearch.c -- searching the history list. */
-
-/* Copyright (C) 1989, 1992 Free Software Foundation, Inc.
-
- This file contains the GNU History Library (the Library), a set of
- routines for managing the text of previously typed lines.
-
- The Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- The Library is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- The GNU General Public License is often shipped with GNU software, and
- is generally kept in a file called COPYING or LICENSE. If you do not
- have a copy of the license, write to the Free Software Foundation,
- 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
-
-#define READLINE_LIBRARY
-
-#include "config.h"
-
-#include <stdio.h>
-#if defined (HAVE_STDLIB_H)
-# include <stdlib.h>
-#else
-# include "ansi_stdlib.h"
-#endif /* HAVE_STDLIB_H */
-
-#if defined (HAVE_UNISTD_H)
-# ifdef _MINIX
-# include <sys/types.h>
-# endif
-# include <unistd.h>
-#endif
-
-#include "history.h"
-#include "histlib.h"
-
-/* The list of alternate characters that can delimit a history search
- string. */
-char *history_search_delimiter_chars = (char *)NULL;
-
-static int history_search_internal PARAMS((const char *, int, int));
-
-/* Search the history for STRING, starting at history_offset.
- If DIRECTION < 0, then the search is through previous entries, else
- through subsequent. If ANCHORED is non-zero, the string must
- appear at the beginning of a history line, otherwise, the string
- may appear anywhere in the line. If the string is found, then
- current_history () is the history entry, and the value of this
- function is the offset in the line of that history entry that the
- string was found in. Otherwise, nothing is changed, and a -1 is
- returned. */
-
-static int
-history_search_internal (string, direction, anchored)
- const char *string;
- int direction, anchored;
-{
- register int i, reverse;
- register char *line;
- register int line_index;
- int string_len;
- HIST_ENTRY **the_history; /* local */
-
- i = history_offset;
- reverse = (direction < 0);
-
- /* Take care of trivial cases first. */
- if (string == 0 || *string == '\0')
- return (-1);
-
- if (!history_length || ((i == history_length) && !reverse))
- return (-1);
-
- if (reverse && (i == history_length))
- i--;
-
-#define NEXT_LINE() do { if (reverse) i--; else i++; } while (0)
-
- the_history = history_list ();
- string_len = strlen (string);
- while (1)
- {
- /* Search each line in the history list for STRING. */
-
- /* At limit for direction? */
- if ((reverse && i < 0) || (!reverse && i == history_length))
- return (-1);
-
- line = the_history[i]->line;
- line_index = strlen (line);
-
- /* If STRING is longer than line, no match. */
- if (string_len > line_index)
- {
- NEXT_LINE ();
- continue;
- }
-
- /* Handle anchored searches first. */
- if (anchored == ANCHORED_SEARCH)
- {
- if (STREQN (string, line, string_len))
- {
- history_offset = i;
- return (0);
- }
-
- NEXT_LINE ();
- continue;
- }
-
- /* Do substring search. */
- if (reverse)
- {
- line_index -= string_len;
-
- while (line_index >= 0)
- {
- if (STREQN (string, line + line_index, string_len))
- {
- history_offset = i;
- return (line_index);
- }
- line_index--;
- }
- }
- else
- {
- register int limit;
-
- limit = line_index - string_len + 1;
- line_index = 0;
-
- while (line_index < limit)
- {
- if (STREQN (string, line + line_index, string_len))
- {
- history_offset = i;
- return (line_index);
- }
- line_index++;
- }
- }
- NEXT_LINE ();
- }
-}
-
-/* Do a non-anchored search for STRING through the history in DIRECTION. */
-int
-history_search (string, direction)
- const char *string;
- int direction;
-{
- return (history_search_internal (string, direction, NON_ANCHORED_SEARCH));
-}
-
-/* Do an anchored search for string through the history in DIRECTION. */
-int
-history_search_prefix (string, direction)
- const char *string;
- int direction;
-{
- return (history_search_internal (string, direction, ANCHORED_SEARCH));
-}
-
-/* Search for STRING in the history list. DIR is < 0 for searching
- backwards. POS is an absolute index into the history list at
- which point to begin searching. */
-int
-history_search_pos (string, dir, pos)
- const char *string;
- int dir, pos;
-{
- int ret, old;
-
- old = where_history ();
- history_set_pos (pos);
- if (history_search (string, dir) == -1)
- {
- history_set_pos (old);
- return (-1);
- }
- ret = where_history ();
- history_set_pos (old);
- return ret;
-}
+/* histsearch.c -- searching the history list. */
+
+/* Copyright (C) 1989, 1992 Free Software Foundation, Inc.
+
+ This file contains the GNU History Library (the Library), a set of
+ routines for managing the text of previously typed lines.
+
+ The Library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ The Library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ The GNU General Public License is often shipped with GNU software, and
+ is generally kept in a file called COPYING or LICENSE. If you do not
+ have a copy of the license, write to the Free Software Foundation,
+ 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#define READLINE_LIBRARY
+
+#include "config.h"
+
+#include <stdio.h>
+#if defined (HAVE_STDLIB_H)
+# include <stdlib.h>
+#else
+# include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_UNISTD_H)
+# ifdef _MINIX
+# include <sys/types.h>
+# endif
+# include <unistd.h>
+#endif
+
+#include "history.h"
+#include "histlib.h"
+
+/* The list of alternate characters that can delimit a history search
+ string. */
+char *history_search_delimiter_chars = (char *)NULL;
+
+static int history_search_internal PARAMS((const char *, int, int));
+
+/* Search the history for STRING, starting at history_offset.
+ If DIRECTION < 0, then the search is through previous entries, else
+ through subsequent. If ANCHORED is non-zero, the string must
+ appear at the beginning of a history line, otherwise, the string
+ may appear anywhere in the line. If the string is found, then
+ current_history () is the history entry, and the value of this
+ function is the offset in the line of that history entry that the
+ string was found in. Otherwise, nothing is changed, and a -1 is
+ returned. */
+
+static int
+history_search_internal (string, direction, anchored)
+ const char *string;
+ int direction, anchored;
+{
+ register int i, reverse;
+ register char *line;
+ register int line_index;
+ int string_len;
+ HIST_ENTRY **the_history; /* local */
+
+ i = history_offset;
+ reverse = (direction < 0);
+
+ /* Take care of trivial cases first. */
+ if (string == 0 || *string == '\0')
+ return (-1);
+
+ if (!history_length || ((i == history_length) && !reverse))
+ return (-1);
+
+ if (reverse && (i == history_length))
+ i--;
+
+#define NEXT_LINE() do { if (reverse) i--; else i++; } while (0)
+
+ the_history = history_list ();
+ string_len = strlen (string);
+ while (1)
+ {
+ /* Search each line in the history list for STRING. */
+
+ /* At limit for direction? */
+ if ((reverse && i < 0) || (!reverse && i == history_length))
+ return (-1);
+
+ line = the_history[i]->line;
+ line_index = strlen (line);
+
+ /* If STRING is longer than line, no match. */
+ if (string_len > line_index)
+ {
+ NEXT_LINE ();
+ continue;
+ }
+
+ /* Handle anchored searches first. */
+ if (anchored == ANCHORED_SEARCH)
+ {
+ if (STREQN (string, line, string_len))
+ {
+ history_offset = i;
+ return (0);
+ }
+
+ NEXT_LINE ();
+ continue;
+ }
+
+ /* Do substring search. */
+ if (reverse)
+ {
+ line_index -= string_len;
+
+ while (line_index >= 0)
+ {
+ if (STREQN (string, line + line_index, string_len))
+ {
+ history_offset = i;
+ return (line_index);
+ }
+ line_index--;
+ }
+ }
+ else
+ {
+ register int limit;
+
+ limit = line_index - string_len + 1;
+ line_index = 0;
+
+ while (line_index < limit)
+ {
+ if (STREQN (string, line + line_index, string_len))
+ {
+ history_offset = i;
+ return (line_index);
+ }
+ line_index++;
+ }
+ }
+ NEXT_LINE ();
+ }
+}
+
+/* Do a non-anchored search for STRING through the history in DIRECTION. */
+int
+history_search (string, direction)
+ const char *string;
+ int direction;
+{
+ return (history_search_internal (string, direction, NON_ANCHORED_SEARCH));
+}
+
+/* Do an anchored search for string through the history in DIRECTION. */
+int
+history_search_prefix (string, direction)
+ const char *string;
+ int direction;
+{
+ return (history_search_internal (string, direction, ANCHORED_SEARCH));
+}
+
+/* Search for STRING in the history list. DIR is < 0 for searching
+ backwards. POS is an absolute index into the history list at
+ which point to begin searching. */
+int
+history_search_pos (string, dir, pos)
+ const char *string;
+ int dir, pos;
+{
+ int ret, old;
+
+ old = where_history ();
+ history_set_pos (pos);
+ if (history_search (string, dir) == -1)
+ {
+ history_set_pos (old);
+ return (-1);
+ }
+ ret = where_history ();
+ history_set_pos (old);
+ return ret;
+}
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