/* sb.c - string buffer manipulation routines
- Copyright 1994, 1995, 2000, 2003 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 2000, 2003, 2006, 2007
+ Free Software Foundation, Inc.
Written by Steve and Judy Chamberlain of Cygnus Support,
sac@cygnus.com
GAS 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)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
-#include "config.h"
-#include <stdio.h>
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#include <strings.h>
-#endif
-#include "libiberty.h"
+#include "as.h"
#include "sb.h"
/* These routines are about manipulating strings.
static int string_count[sb_max_power_two];
/* Free list of sb structures. */
-static sb_list_vector free_list;
+static struct
+{
+ sb_element *size[sb_max_power_two];
+} free_list;
/* Initializes an sb. */
/* See if we can find one to allocate. */
sb_element *e;
- if (size > sb_max_power_two)
- abort ();
+ assert (size < sb_max_power_two);
e = free_list.size[size];
if (!e)
ptr->len += s->len;
}
+/* Helper for sb_scrub_and_add_sb. */
+
+static sb *sb_to_scrub;
+static char *scrub_position;
+static int
+scrub_from_sb (char *buf, int buflen)
+{
+ int copy;
+ copy = sb_to_scrub->len - (scrub_position - sb_to_scrub->ptr);
+ if (copy > buflen)
+ copy = buflen;
+ memcpy (buf, scrub_position, copy);
+ scrub_position += copy;
+ return copy;
+}
+
+/* Run the sb at s through do_scrub_chars and add the result to the sb
+ at ptr. */
+
+void
+sb_scrub_and_add_sb (sb *ptr, sb *s)
+{
+ sb_to_scrub = s;
+ scrub_position = s->ptr;
+
+ sb_check (ptr, s->len);
+ ptr->len += do_scrub_chars (scrub_from_sb, ptr->ptr + ptr->len, s->len);
+
+ sb_to_scrub = 0;
+ scrub_position = 0;
+}
+
/* Make sure that the sb at ptr has room for another len characters,
and grow it if it doesn't. */