--- /dev/null
+/* 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;
+}
--- /dev/null
+/* 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. */
+
+typedef struct dyn_string
+{
+ int allocated; /* The amount of space allocated for the string. */
+ int length; /* The actual length of the string. */
+ char *s; /* The string itself, NUL-terminated. */
+}* dyn_string_t;
+
+extern dyn_string_t dyn_string_new PARAMS((int));
+extern void dyn_string_delete PARAMS((dyn_string_t));
+extern dyn_string_t dyn_string_append PARAMS((dyn_string_t, char*));
+extern dyn_string_t dyn_string_resize PARAMS((dyn_string_t, int));