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/*
* util.h - Common utility functions
*
* Written 2006, 2009, 2010 by Werner Almesberger
* Copyright 2006, 2009, 2010 Werner Almesberger
*
* 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 2 of the License, or
* (at your option) any later version.
*/
#ifndef UTIL_H
#define UTIL_H
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#define alloc_size(s) \
({ void *alloc_size_tmp = malloc(s); \
if (!alloc_size_tmp) \
abort(); \
alloc_size_tmp; })
#define alloc_type(t) ((t *) alloc_size(sizeof(t)))
#define zalloc_size(s) \
({ void *zalloc_size_tmp = alloc_size(s); \
memset(zalloc_size_tmp, 0, (s)); \
zalloc_size_tmp; })
#define zalloc_type(t) \
({ t *zalloc_type_tmp = alloc_type(t); \
memset(zalloc_type_tmp, 0, sizeof(t)); \
zalloc_type_tmp; })
#define stralloc(s) \
({ char *stralloc_tmp = strdup(s); \
if (!stralloc_tmp) \
abort(); \
stralloc_tmp; })
#define strnalloc(s, n) \
({ char *strnalloc_tmp = alloc_size((n)+1); \
if (!strnalloc_tmp) \
abort(); \
strncpy(strnalloc_tmp, (s), (n)); \
strnalloc_tmp[n] = 0; \
strnalloc_tmp; })
#define SWAP(a, b) \
({ typeof(a) SWAP_tmp = (a); \
(a) = (b); \
(b) = SWAP_tmp; })
char *stralloc_vprintf(const char *fmt, va_list ap);
char *stralloc_printf(const char *fmt, ...)
__attribute__((format(printf, 1, 2)));
int is_id_char(char c, int first);
int is_id(const char *s);
const char *unique(const char *s);
void unique_cleanup(void);
#endif /* !UTIL_H */
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