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author | Dan Albert <danalbert@google.com> | 2015-06-17 15:33:58 -0700 |
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committer | Dan Albert <danalbert@google.com> | 2015-06-17 15:33:58 -0700 |
commit | 7a1d76c6c5b354abbba43308d5061eb6ff96d3ea (patch) | |
tree | 78a639d039e517565afa35d7af021a6967bec0d9 /binutils-2.20.1/gas/sb.c | |
parent | c39479f4ab4d372b518957871e1f205a03e7c3d6 (diff) | |
download | toolchain_binutils-7a1d76c6c5b354abbba43308d5061eb6ff96d3ea.zip toolchain_binutils-7a1d76c6c5b354abbba43308d5061eb6ff96d3ea.tar.gz toolchain_binutils-7a1d76c6c5b354abbba43308d5061eb6ff96d3ea.tar.bz2 |
Remove old versions of binutils.
Change-Id: If634d8d30cfa8c88ca3ba59691a0df4ee5596f85
Diffstat (limited to 'binutils-2.20.1/gas/sb.c')
-rw-r--r-- | binutils-2.20.1/gas/sb.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/binutils-2.20.1/gas/sb.c b/binutils-2.20.1/gas/sb.c deleted file mode 100644 index 8d5e8dd..0000000 --- a/binutils-2.20.1/gas/sb.c +++ /dev/null @@ -1,246 +0,0 @@ -/* sb.c - string buffer manipulation routines - Copyright 1994, 1995, 2000, 2003, 2005, 2006, 2007, 2009 - 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 3, 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, 51 Franklin Street - Fifth Floor, Boston, MA - 02110-1301, USA. */ - -#include "as.h" -#include "sb.h" - -/* These routines are about manipulating strings. - - They are managed in things called `sb's which is an abbreviation - for string buffers. An sb has to be created, things can be glued - on to it, and at the end of it's life it should be freed. The - contents should never be pointed at whilst it is still growing, - since it could be moved at any time - - eg: - sb_new (&foo); - sb_grow... (&foo,...); - use foo->ptr[*]; - sb_kill (&foo); */ - -static int dsize = 5; -static void sb_check (sb *, int); - -/* Statistics of sb structures. */ -static int string_count[sb_max_power_two]; - -/* Free list of sb structures. */ -static struct -{ - sb_element *size[sb_max_power_two]; -} free_list; - -/* Initializes an sb. */ - -static void -sb_build (sb *ptr, int size) -{ - /* See if we can find one to allocate. */ - sb_element *e; - - gas_assert (size < sb_max_power_two); - - e = free_list.size[size]; - if (!e) - { - /* Nothing there, allocate one and stick into the free list. */ - e = (sb_element *) xmalloc (sizeof (sb_element) + (1 << size)); - e->next = free_list.size[size]; - e->size = 1 << size; - free_list.size[size] = e; - string_count[size]++; - } - - /* Remove from free list. */ - free_list.size[size] = e->next; - - /* Copy into callers world. */ - ptr->ptr = e->data; - ptr->pot = size; - ptr->len = 0; - ptr->item = e; -} - -void -sb_new (sb *ptr) -{ - sb_build (ptr, dsize); -} - -/* Deallocate the sb at ptr. */ - -void -sb_kill (sb *ptr) -{ - /* Return item to free list. */ - ptr->item->next = free_list.size[ptr->pot]; - free_list.size[ptr->pot] = ptr->item; -} - -/* Add the sb at s to the end of the sb at ptr. */ - -void -sb_add_sb (sb *ptr, sb *s) -{ - sb_check (ptr, s->len); - memcpy (ptr->ptr + ptr->len, s->ptr, s->len); - 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. */ - -static void -sb_check (sb *ptr, int len) -{ - if (ptr->len + len >= 1 << ptr->pot) - { - sb tmp; - int pot = ptr->pot; - - while (ptr->len + len >= 1 << pot) - pot++; - sb_build (&tmp, pot); - sb_add_sb (&tmp, ptr); - sb_kill (ptr); - *ptr = tmp; - } -} - -/* Make the sb at ptr point back to the beginning. */ - -void -sb_reset (sb *ptr) -{ - ptr->len = 0; -} - -/* Add character c to the end of the sb at ptr. */ - -void -sb_add_char (sb *ptr, int c) -{ - sb_check (ptr, 1); - ptr->ptr[ptr->len++] = c; -} - -/* Add null terminated string s to the end of sb at ptr. */ - -void -sb_add_string (sb *ptr, const char *s) -{ - int len = strlen (s); - sb_check (ptr, len); - memcpy (ptr->ptr + ptr->len, s, len); - ptr->len += len; -} - -/* Add string at s of length len to sb at ptr */ - -void -sb_add_buffer (sb *ptr, const char *s, int len) -{ - sb_check (ptr, len); - memcpy (ptr->ptr + ptr->len, s, len); - ptr->len += len; -} - -/* Like sb_name, but don't include the null byte in the string. */ - -char * -sb_terminate (sb *in) -{ - sb_add_char (in, 0); - --in->len; - return in->ptr; -} - -/* Start at the index idx into the string in sb at ptr and skip - whitespace. return the index of the first non whitespace character. */ - -int -sb_skip_white (int idx, sb *ptr) -{ - while (idx < ptr->len - && (ptr->ptr[idx] == ' ' - || ptr->ptr[idx] == '\t')) - idx++; - return idx; -} - -/* Start at the index idx into the sb at ptr. skips whitespace, - a comma and any following whitespace. returns the index of the - next character. */ - -int -sb_skip_comma (int idx, sb *ptr) -{ - while (idx < ptr->len - && (ptr->ptr[idx] == ' ' - || ptr->ptr[idx] == '\t')) - idx++; - - if (idx < ptr->len - && ptr->ptr[idx] == ',') - idx++; - - while (idx < ptr->len - && (ptr->ptr[idx] == ' ' - || ptr->ptr[idx] == '\t')) - idx++; - - return idx; -} |