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tdsstring.h

00001 /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
00002  * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004  Brian Bruns
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Library General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Library General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Library General Public
00015  * License along with this library; if not, write to the
00016  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017  * Boston, MA 02111-1307, USA.
00018  */
00019 
00020 #ifndef _tdsstring_h_
00021 #define _tdsstring_h_
00022 
00023 static const char rcsid_tdsstring_h[] = "$Id: tdsstring.h,v 1.13 2004/10/28 12:42:12 freddy77 Exp $";
00024 static const void *const no_unused_tdsstring_h_warn[] = { rcsid_tdsstring_h, no_unused_tdsstring_h_warn };
00025 
00026 extern char tds_str_empty[];
00027 
00028 /* TODO do some function and use inline if available */
00029 
00034 #if ENABLE_EXTRA_CHECKS
00035 void tds_dstr_init(DSTR * s);
00036 int tds_dstr_isempty(DSTR * s);
00037 char *tds_dstr_cstr(DSTR * s);
00038 size_t tds_dstr_len(DSTR * s);
00039 #else
00040 
00041 #define tds_dstr_init(s) \
00042         do { *(s) = (DSTR) &tds_str_empty[0]; } while(0)
00043 
00045 #define tds_dstr_isempty(s) \
00046         ((*(s))->dstr_s[0] == '\0')
00047 #define tds_dstr_cstr(s) \
00048         ((*(s))->dstr_s)
00049 #define tds_dstr_len(s) \
00050         strlen((*(s))->dstr_s)
00051 #endif
00052 
00053 void tds_dstr_zero(DSTR * s);
00054 void tds_dstr_free(DSTR * s);
00055 
00056 DSTR tds_dstr_copy(DSTR * s, const char *src);
00057 DSTR tds_dstr_copyn(DSTR * s, const char *src, unsigned int length);
00058 DSTR tds_dstr_set(DSTR * s, char *src);
00059 
00062 #endif /* _tdsstring_h_ */

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