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Diffstat (limited to 'gas/sb.h')
-rw-r--r-- | gas/sb.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/gas/sb.h b/gas/sb.h deleted file mode 100644 index 7e6daf167de..00000000000 --- a/gas/sb.h +++ /dev/null @@ -1,99 +0,0 @@ -/* sb.h - header file for string buffer manipulation routines - Copyright (C) 1994, 1995 Free Software Foundation, Inc. - - Written by Steve and Judy Chamberlain of Cygnus Support, - sac@cygnus.com - - This file is part of GAS, the GNU Assembler. - - 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) - any later version. - - GAS 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 GAS; see the file COPYING. If not, write to the Free - Software Foundation, 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -#ifndef SB_H - -#define SB_H - -#include <stdio.h> -#include "ansidecl.h" - -/* string blocks - - I had a couple of choices when deciding upon this data structure. - gas uses null terminated strings for all its internal work. This - often means that parts of the program that want to examine - substrings have to manipulate the data in the string to do the - right thing (a common operation is to single out a bit of text by - saving away the character after it, nulling it out, operating on - the substring and then replacing the character which was under the - null). This is a pain and I remember a load of problems that I had with - code in gas which almost got this right. Also, it's harder to grow and - allocate null terminated strings efficiently. - - Obstacks provide all the functionality needed, but are too - complicated, hence the sb. - - An sb is allocated by the caller, and is initialzed to point to an - sb_element. sb_elements are kept on a free lists, and used when - needed, replaced onto the free list when unused. - */ - -#define sb_max_power_two 30 /* don't allow strings more than - 2^sb_max_power_two long */ -/* structure of an sb */ -typedef struct sb - { - char *ptr; /* points to the current block. */ - int len; /* how much is used. */ - int pot; /* the maximum length is 1<<pot */ - struct le *item; - } -sb; - -/* Structure of the free list object of an sb */ -typedef struct le - { - struct le *next; - int size; - char data[1]; - } -sb_element; - -/* The free list */ -typedef struct - { - sb_element *size[sb_max_power_two]; - } sb_list_vector; - -extern int string_count[sb_max_power_two]; - -extern void sb_build PARAMS ((sb *, int)); -extern void sb_new PARAMS ((sb *)); -extern void sb_kill PARAMS ((sb *)); -extern void sb_add_sb PARAMS ((sb *, sb *)); -extern void sb_reset PARAMS ((sb *)); -extern void sb_add_char PARAMS ((sb *, int)); -extern void sb_add_string PARAMS ((sb *, const char *)); -extern void sb_add_buffer PARAMS ((sb *, const char *, int)); -extern void sb_print PARAMS ((FILE *, sb *)); -extern void sb_print_at PARAMS ((FILE *, int, sb *)); -extern char *sb_name PARAMS ((sb *)); -extern char *sb_terminate PARAMS ((sb *)); -extern int sb_skip_white PARAMS ((int, sb *)); -extern int sb_skip_comma PARAMS ((int, sb *)); - -/* Actually in input-scrub.c. */ -extern void input_scrub_include_sb PARAMS ((sb *, char *)); - -#endif /* SB_H */ |