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/*
casm - Simple, portable assembler
Copyright (C) 2003-2015 Ian Cowburn (ianc@noddybox.demon.co.uk)
This program 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 3 of the License, or
(at your option) any later version.
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, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------
Simple dynamic variable length string.
*/
#ifndef CASM_VARCHAR_H
#define CASM_VARCHAR_H
typedef struct varchar Varchar;
/* ---------------------------------------- INTERFACES
*/
/* Create a new string. Initial contents set to pointer if not NULL.
*/
Varchar *VarcharCreate(const char *initial);
/* Add a character to a string. Returns the passed Varchar.
*/
Varchar *VarcharAddChar(Varchar *str, int c);
/* Add a string to the string. Returns the passed Varchar.
*/
Varchar *VarcharAdd(Varchar *str, const char *c);
/* Adds a formatted string to the string. The formatted string must be less
than 1024 character or it will be truncated. Returns the passed Varchar.
*/
Varchar *VarcharPrintf(Varchar *str, const char *fmt, ...);
/* Get the contents of a string, keeping ownership of it
*/
const char *VarcharContents(Varchar *str);
/* Transfer the contents of a string, so that the returned string can be
freed. The Varchar container is destroyed and should not be used again.
*/
char *VarcharTransfer(Varchar *str);
/* Clear a Varchar back to an empty string.
*/
void VarcharClear(Varchar *str);
/* Release the string and the container.
*/
void VarcharFree(Varchar *str);
#endif
/*
vim: ai sw=4 ts=8 expandtab
*/
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