old-cross-binutils/binutils/dyn-string.c
Geoffrey Noer d7a198b636 Thu Oct 8 15:33:08 1998 Geoffrey Noer <noer@cygnus.com>
* configure.in: call AC_EXEEXT instead of AM_EXEEXT and
        AM_CYGWIN32.
        * aclocal.m4: remove local AM_EXEEXT/AM_CYGWIN32 macros.
        * configure: regenerate

Thu Oct  8 15:33:08 1998  Geoffrey Noer  <noer@cygnus.com>

        From Mumit Khan  <khan@xraylith.wisc.edu>:
        * dlltool.c (scan_all_symbols): Don't re-export symbols exported
        by other DLLs.

Thu Oct  8 15:33:08 1998  Geoffrey Noer  <noer@cygnus.com>

        * Makefile.am (BUILD_DLLWRAP): Add.
        (BUILD_DLLWRAP, DLLWRAP_PROG): Add.
        (bin_PROGRAMS): Add dllwrap.
        * Makefile.in: regenerate with automake

        From Mumit Khan  <khan@xraylith.wisc.edu>:
        * dllwrap.c: New file from dllhelpers v0.2.1.
        (print_version): New function.
        (long_options): Add --version.
        (main): Handle.
        * dyn-string.h, dyn-string.c: New files from egcs-1.1/gcc.
        * configure.in (BUILD_DLLWRAP): Add.
        * configure: Regenerate.
1998-10-08 22:47:18 +00:00

107 lines
2.6 KiB
C

/* An abstract string datatype.
Copyright (C) 1998 Free Software Foundation, Inc.
Contributed by Mark Mitchell (mark@markmitchell.com).
This file is part of GNU CC.
GNU CC 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.
GNU CC 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 GNU CC; see the file COPYING. If not, write to the Free
Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* This file lives in at least two places: binutils and gcc.
Don't change one without the other. */
#include "config.h"
#ifdef IN_GCC
#include "system.h"
#include "gansidecl.h"
#else
#include "ansidecl.h"
#endif
#include "dyn-string.h"
extern char *xmalloc ();
extern char *xrealloc ();
/* Create a new dynamic string capable of holding at least SPACE
characters, including the terminating NUL. If SPACE is 0, it
will be silently increased to 1. */
dyn_string_t
dyn_string_new (space)
int space;
{
dyn_string_t result = (dyn_string_t) xmalloc (sizeof (struct dyn_string));
if (space == 0)
/* We need at least one byte in which to store the terminating
NUL. */
space = 1;
result->allocated = space;
result->s = (char*) xmalloc (space);
result->length = 0;
result->s[0] = '\0';
return result;
}
/* Free the memory used by DS. */
void
dyn_string_delete (ds)
dyn_string_t ds;
{
free (ds->s);
free (ds);
}
/* Append the NUL-terminated string S to DS, resizing DS if
necessary. */
dyn_string_t
dyn_string_append (ds, s)
dyn_string_t ds;
char *s;
{
int len = strlen (s);
dyn_string_resize (ds, ds->length + len + 1 /* '\0' */);
strcpy (ds->s + ds->length, s);
ds->length += len;
return ds;
}
/* Increase the capacity of DS so that it can hold at least SPACE
characters, including the terminating NUL. This function will not
(at present) reduce the capacity of DS. */
dyn_string_t
dyn_string_resize (ds, space)
dyn_string_t ds;
int space;
{
int new_allocated = ds->allocated;
while (space > new_allocated)
new_allocated *= 2;
if (new_allocated != ds->allocated)
{
/* We actually need more space. */
ds->allocated = new_allocated;
ds->s = (char*) xrealloc (ds->s, ds->allocated);
}
return ds;
}