0056a9b5cf
* configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
Arrange to include gansidecl.h in {ht}config.h & tm.h just
before the config/ directory headers.
(tm_file_list, host_xm_file_list, build_xm_file_list): Handle
gansidecl.h in the list of dependencies.
* Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
(TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
Likewise.
* cccp.c: Don't include gansidecl.h.
* cexp.y: Likewise.
* collect2.c: Likewise.
* config/c4x/c4x.c: Likewise.
* config/v850/v850.h: Likewise.
* cppalloc.c: Likewise.
* cpperror.c: Likewise.
* cppexp.c: Likewise.
* cppfiles.c: Likewise.
* cpphash.c: Likewise.
* cpplib.c: Likewise.
* cppmain.c: Likewise.
* cppulp.c: Likewise.
* demangle.h: Likewise.
* doprint.c: Likewise.
* dyn-string.c: Likewise.
* eh-common.h: Likewise.
* fix-header.c: Likewise.
* frame.c: Likewise.
* gcc.c: Likewise.
* gcov.c: Likewise.
* gen-protos.c: Likewise.
* gencheck.c: Likewise.
* halfpic.h: Likewise.
* hash.c: Likewise.
* machmode.h: Likewise.
* mbchar.c: Likewise.
* prefix.c: Likewise.
* protoize.c: Likewise.
* recog.h: Likewise.
* rtl.h: Likewise.
* scan-decls.c: Likewise.
* tree.h: Likewise.
* varray.h: Likewise.
From-SVN: r23558
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/* An abstract string datatype.
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Copyright (C) 1998 Free Software Foundation, Inc.
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Contributed by Mark Mitchell (mark@markmitchell.com).
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to the Free
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Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "config.h"
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#include "system.h"
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#include "dyn-string.h"
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extern char *xmalloc ();
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extern char *xrealloc ();
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/* Create a new dynamic string capable of holding at least SPACE
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characters, including the terminating NUL. If SPACE is 0, it
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will be silently increased to 1. */
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dyn_string_t
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dyn_string_new (space)
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int space;
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{
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dyn_string_t result = (dyn_string_t) xmalloc (sizeof (struct dyn_string));
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if (space == 0)
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/* We need at least one byte in which to store the terminating
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NUL. */
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space = 1;
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result->allocated = space;
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result->s = (char*) xmalloc (space);
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result->length = 0;
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result->s[0] = '\0';
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return result;
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}
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/* Free the memory used by DS. */
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void
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dyn_string_delete (ds)
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dyn_string_t ds;
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{
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free (ds->s);
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free (ds);
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}
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/* Append the NUL-terminated string S to DS, resizing DS if
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necessary. */
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dyn_string_t
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dyn_string_append (ds, s)
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dyn_string_t ds;
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char *s;
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{
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int len = strlen (s);
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dyn_string_resize (ds, ds->length + len + 1 /* '\0' */);
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strcpy (ds->s + ds->length, s);
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ds->length += len;
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return ds;
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}
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/* Increase the capacity of DS so that it can hold at least SPACE
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characters, including the terminating NUL. This function will not
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(at present) reduce the capacity of DS. */
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dyn_string_t
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dyn_string_resize (ds, space)
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dyn_string_t ds;
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int space;
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{
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int new_allocated = ds->allocated;
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while (space > new_allocated)
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new_allocated *= 2;
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if (new_allocated != ds->allocated)
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{
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/* We actually need more space. */
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ds->allocated = new_allocated;
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ds->s = (char*) xrealloc (ds->s, ds->allocated);
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}
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return ds;
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}
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