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# /home/jklowden/releases/freetds-0.91/include/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 /* $Id: tdsstring.h,v 1.21 2010/01/25 23:05:59 freddy77 Exp $ */
    00024
    00025 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(__MINGW32__)
    00026 #pragma GCC visibility push(hidden)
    00027 #endif
    00028
    00029 extern const char tds_str_empty[1];
    00030
    00031 /* TODO do some function and use inline if available */
    00032
    00037 #if ENABLE_EXTRA_CHECKS
    00038 void tds_dstr_init(DSTR * s);
    00039 int tds_dstr_isempty(DSTR * s);
    00040 char *tds_dstr_buf(DSTR * s);
    00041 size_t tds_dstr_len(DSTR * s);
    00042 #else
    00043
    00044 #define tds_dstr_init(s) \
    00045         do { DSTR *_tds_s = (s); _tds_s->dstr_size = 0; _tds_s->dstr_s = (char*) tds_str_empty; } while(0)
    00046
    00048 #define tds_dstr_isempty(s) \
    00049         ((s)->dstr_size == 0)
    00050 #define tds_dstr_buf(s) \
    00051         ((s)->dstr_s)
    00052 #define tds_dstr_len(s) \
    00053         ((s)->dstr_size)
    00054 #endif
    00055
    00056 #define tds_dstr_cstr(s) \
    00057         ((const char* ) tds_dstr_buf(s))
    00058
    00059 void tds_dstr_zero(DSTR * s);
    00060 void tds_dstr_free(DSTR * s);
    00061
    00062 DSTR* tds_dstr_dup(DSTR * s, const DSTR * src);
    00063 DSTR* tds_dstr_copy(DSTR * s, const char *src);
    00064 DSTR* tds_dstr_copyn(DSTR * s, const char *src, size_t length);
    00065 DSTR* tds_dstr_set(DSTR * s, char *src);
    00066
    00068 DSTR* tds_dstr_setlen(DSTR *s, size_t length);
    00070 DSTR* tds_dstr_alloc(DSTR *s, size_t length);
    00071
    00074 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(__MINGW32__)
    00075 #pragma GCC visibility pop
    00076 #endif
    00077
    00078 #endif /* _tdsstring_h_ */

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