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/* Time-stamp: <2008-09-26 15:07:55 poser> */
/*
* Copyright (C) 1993-2008 William J. Poser.
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 3 of the GNU General Public License
* as published by the Free Software Foundation.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "compdefs.h"
#include <stdlib.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#include <wchar.h>
#ifdef HAVE_UNINUM_UNICODE_H
#include <uninum/unicode.h>
#else
#include "unicode.h"
#endif
#include "exitcode.h"
#include "retcodes.h"
#define DSTR
#include "dstr.h"
/* Initialize a dynamic string */
void
InitializeDynamicString (struct dstr *s) {
s->s = NULL;
s->c = s->l = 0;
}
void
FreeDynamicString(struct dstr *d) {
if (d) {
if (d->s != NULL) free( (void *) (d->s));
free ( (void *) d);
}
}
/*
* Create a dynamic wide string and copy into it an existing regular wide string.
*/
struct dstr *MakeDynamicString(wchar_t *s) {
struct dstr *new;
int length;
new = (struct dstr *) malloc(sizeof(struct dstr));
if(new == NULL) exit(OUTOFMEMORY);
length = wcslen(s);
new->s = (wchar_t *) malloc((length + 1) * sizeof(wchar_t));
if(new->s == NULL) exit(OUTOFMEMORY);
wcscpy(new->s,s);
new->c = new->l = length;
return(new);
}
/*
* Insert an existing wide string into a dynamic string.
* The source is expected to be non-null.
*/
int
FillDynamicString(struct dstr *tgt, wchar_t *src) {
int length;
length = wcslen(src);
#ifdef SAFECALL
if(length == 0) return(ERROR);
#endif
if (length + 1 > tgt->c) {
if(tgt->s != NULL) free( (void *) tgt->s);
tgt->s = (wchar_t *) malloc((length + 1) * sizeof(wchar_t));
if(tgt->s == NULL) return(ERROR);
tgt->c = length;
}
wcscpy(tgt->s,src);
tgt->l = length;
return(SUCCESS);
}
/* Append a wide string to a dynamic wide string */
int
AppendToDynamicString(struct dstr *tgt, wchar_t *src) {
int SrcLength;
int NewLength;
SrcLength = wcslen(src);
NewLength = SrcLength + tgt->l;
if (NewLength > tgt->c) {
tgt->s = (wchar_t *) realloc(tgt->s,(NewLength + 1) * sizeof(wchar_t));
if(tgt->s == NULL) return(ERROR);
tgt->c = NewLength;
}
wcscpy(tgt->s+tgt->l,src);
tgt->l = NewLength;
return(SUCCESS);
}
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