1 files changed, 0 insertions, 347 deletions
diff --git a/qemu/roms/ipxe/src/hci/readline.c b/qemu/roms/ipxe/src/hci/readline.c
deleted file mode 100644
index 83a2e0b90..000000000
--- a/qemu/roms/ipxe/src/hci/readline.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
- * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program 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 of the
- * License, or any later version.
- *
- * This program 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <ipxe/console.h>
-#include <ipxe/keys.h>
-#include <ipxe/editstring.h>
-#include <readline/readline.h>
-
-/** @file
- *
- * Minimal readline
- *
- */
-
-#define READLINE_MAX 256
-
-/**
- * Synchronise console with edited string
- *
- * @v string		Editable string
- */
-static void sync_console ( struct edit_string *string ) {
-	unsigned int mod_start = string->mod_start;
-	unsigned int mod_end = string->mod_end;
-	unsigned int cursor = string->last_cursor;
-	size_t len = strlen ( string->buf );
-
-	/* Expand region back to old cursor position if applicable */
-	if ( mod_start > string->last_cursor )
-		mod_start = string->last_cursor;
-
-	/* Expand region forward to new cursor position if applicable */
-	if ( mod_end < string->cursor )
-		mod_end = string->cursor;
-
-	/* Backspace to start of region */
-	while ( cursor > mod_start ) {
-		putchar ( '\b' );
-		cursor--;
-	}
-
-	/* Print modified region */
-	while ( cursor < mod_end ) {
-		putchar ( ( cursor >= len ) ? ' ' : string->buf[cursor] );
-		cursor++;
-	}
-
-	/* Backspace to new cursor position */
-	while ( cursor > string->cursor ) {
-		putchar ( '\b' );
-		cursor--;
-	}
-}
-
-/**
- * Locate history entry
- *
- * @v history		History buffer
- * @v depth		Depth within history buffer
- * @ret entry		History entry
- */
-static struct readline_history_entry *
-history_entry ( struct readline_history *history, unsigned int depth ) {
-	unsigned int offset;
-
-	offset = ( ( history->next - depth ) %
-		   ( sizeof ( history->entries ) /
-		     sizeof ( history->entries[0] ) ) );
-	return &history->entries[offset];
-}
-
-/**
- * Read string from history buffer
- *
- * @v history		History buffer
- * @v depth		Depth within history buffer
- * @ret string		String
- */
-static const char * history_fetch ( struct readline_history *history,
-				    unsigned int depth ) {
-	struct readline_history_entry *entry;
-
-	/* Return the temporary copy if it exists, otherwise return
-	 * the persistent copy.
-	 */
-	entry = history_entry ( history, depth );
-	return ( entry->temp ? entry->temp : entry->string );
-}
-
-/**
- * Write temporary string copy to history buffer
- *
- * @v history		History buffer
- * @v depth		Depth within history buffer
- * @v string		String
- */
-static void history_store ( struct readline_history *history,
-			    unsigned int depth, const char *string ) {
-	struct readline_history_entry *entry;
-	char *temp;
-
-	/* Create temporary copy of string */
-	temp = strdup ( string );
-	if ( ! temp ) {
-		/* Just discard the string; there's nothing we can do */
-		DBGC ( history, "READLINE %p could not store string\n",
-		       history );
-		return;
-	}
-
-	/* Store temporary copy */
-	entry = history_entry ( history, depth );
-	free ( entry->temp );
-	entry->temp = temp;
-}
-
-/**
- * Move to new history depth
- *
- * @v history		History buffer
- * @v offset		Offset by which to change depth
- * @v old_string	String (possibly modified) at current depth
- * @ret new_string	String at new depth, or NULL for no movement
- */
-static const char * history_move ( struct readline_history *history,
-				   int offset, const char *old_string ) {
-	unsigned int new_depth = ( history->depth + offset );
-	const char * new_string = history_fetch ( history, new_depth );
-
-	/* Depth checks */
-	if ( new_depth > READLINE_HISTORY_MAX_DEPTH )
-		return NULL;
-	if ( ! new_string )
-		return NULL;
-
-	/* Store temporary copy of old string at current depth */
-	history_store ( history, history->depth, old_string );
-
-	/* Update depth */
-	history->depth = new_depth;
-
-	/* Return new string */
-	return new_string;
-}
-
-/**
- * Append new history entry
- *
- * @v history		History buffer
- * @v string		String
- */
-static void history_append ( struct readline_history *history,
-			     const char *string ) {
-	struct readline_history_entry *entry;
-
-	/* Store new entry */
-	entry = history_entry ( history, 0 );
-	assert ( entry->string == NULL );
-	entry->string = strdup ( string );
-	if ( ! entry->string ) {
-		/* Just discard the string; there's nothing we can do */
-		DBGC ( history, "READLINE %p could not append string\n",
-		       history );
-		return;
-	}
-
-	/* Increment history position */
-	history->next++;
-
-	/* Prepare empty "next" slot */
-	entry = history_entry ( history, 0 );
-	free ( entry->string );
-	entry->string = NULL;
-}
-
-/**
- * Clean up history after editing
- *
- * @v history		History buffer
- */
-static void history_cleanup ( struct readline_history *history ) {
-	struct readline_history_entry *entry;
-	unsigned int i;
-
-	/* Discard any temporary strings */
-	for ( i = 0 ; i < ( sizeof ( history->entries ) /
-			    sizeof ( history->entries[0] ) ) ; i++ ) {
-		entry = &history->entries[i];
-		free ( entry->temp );
-		entry->temp = NULL;
-	}
-
-	/* Reset depth */
-	history->depth = 0;
-
-	/* Sanity check */
-	entry = history_entry ( history, 0 );
-	assert ( entry->string == NULL );
-}
-
-/**
- * Free history buffer
- *
- * @v history		History buffer
- */
-void history_free ( struct readline_history *history ) {
-	struct readline_history_entry *entry;
-	unsigned int i;
-
-	/* Discard any temporary strings */
-	for ( i = 0 ; i < ( sizeof ( history->entries ) /
-			    sizeof ( history->entries[0] ) ) ; i++ ) {
-		entry = &history->entries[i];
-		assert ( entry->temp == NULL );
-		free ( entry->string );
-	}
-}
-
-/**
- * Read line from console (with history)
- *
- * @v prompt		Prompt string
- * @v prefill		Prefill string, or NULL for no prefill
- * @v history		History buffer, or NULL for no history
- * @ret line		Line read from console (excluding terminating newline)
- * @ret rc		Return status code
- *
- * The returned line is allocated with malloc(); the caller must
- * eventually call free() to release the storage.
- */
-int readline_history ( const char *prompt, const char *prefill,
-		       struct readline_history *history, char **line ) {
-	char buf[READLINE_MAX];
-	struct edit_string string;
-	int key;
-	int move_by;
-	const char *new_string;
-	int rc;
-
-	/* Avoid returning uninitialised data on error */
-	*line = NULL;
-
-	/* Display prompt, if applicable */
-	if ( prompt )
-		printf ( "%s", prompt );
-
-	/* Ensure cursor is visible */
-	printf ( "\033[?25h" );
-
-	/* Initialise editable string */
-	memset ( &string, 0, sizeof ( string ) );
-	init_editstring ( &string, buf, sizeof ( buf ) );
-	buf[0] = '\0';
-
-	/* Prefill string, if applicable */
-	if ( prefill ) {
-		replace_string ( &string, prefill );
-		sync_console ( &string );
-	}
-
-	while ( 1 ) {
-		/* Handle keypress */
-		key = edit_string ( &string, getkey ( 0 ) );
-		sync_console ( &string );
-		move_by = 0;
-		switch ( key ) {
-		case CR:
-		case LF:
-			*line = strdup ( buf );
-			rc = ( ( *line ) ? 0 : -ENOMEM );
-			goto done;
-		case CTRL_C:
-			rc = -ECANCELED;
-			goto done;
-		case KEY_UP:
-			move_by = 1;
-			break;
-		case KEY_DOWN:
-			move_by = -1;
-			break;
-		default:
-			/* Do nothing */
-			break;
-		}
-
-		/* Handle history movement, if applicable */
-		if ( move_by && history ) {
-			new_string = history_move ( history, move_by, buf );
-			if ( new_string ) {
-				replace_string ( &string, new_string );
-				sync_console ( &string );
-			}
-		}
-	}
-
- done:
-	putchar ( '\n' );
-	if ( history ) {
-		if ( *line && (*line)[0] )
-			history_append ( history, *line );
-		history_cleanup ( history );
-	}
-	assert ( ( rc == 0 ) ^ ( *line == NULL ) );
-	return rc;
-}
-
-/**
- * Read line from console
- *
- * @v prompt		Prompt string
- * @ret line		Line read from console (excluding terminating newline)
- *
- * The returned line is allocated with malloc(); the caller must
- * eventually call free() to release the storage.
- */
-char * readline ( const char *prompt ) {
-	char *line;
-
-	readline_history ( prompt, NULL, NULL, &line );
-	return line;
-}