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//
// stmalloc.h
//
// Stacked memory allocation
//
// Copyright (C) 2011 Michael Ringgaard. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. Neither the name of the project nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE.
//
#ifndef STMALLOC_H
#define STMALLOC_H
#define STKBLKMIN (4096 - 8 - 8)
struct stkblk {
struct stkblk *prev;
char space[STKBLKMIN];
};
struct stkmark {
struct stkblk *blk;
char *ptr;
char *txt;
char *end;
struct stkmark *prev;
};
void pushstkmark(struct stkmark *oldmark, struct stkmark *newmark);
void popstkmark(struct stkmark *mark);
void *stalloc(struct stkmark *mark, int size);
int stputbuf(struct stkmark *mark, char *data, int len);
int stputc(struct stkmark *mark, int ch);
int stputstr(struct stkmark *mark, char *str);
char *ststrdup(struct stkmark *mark, char *str);
char *ststr(struct stkmark *mark);
char *ststrptr(struct stkmark *mark);
int ststrlen(struct stkmark *mark);
int stfreestr(struct stkmark *mark, char *str);
#endif