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/* sxiv: util.h
* Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
*
* 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.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef UTIL_H
#define UTIL_H
#include <stdio.h>
#include <stdarg.h>
#include <dirent.h>
#define ABS(a) ((a) < 0 ? (-(a)) : (a))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define LEN(a) (sizeof(a) / sizeof(a[0]))
#define TIMEDIFF(t1,t2) (((t1)->tv_sec - (t2)->tv_sec) * 1000 + \
((t1)->tv_usec - (t2)->tv_usec) / 1000)
#define MSEC_TO_TIMEVAL(t,tv) { \
(tv)->tv_sec = (t) / 1000; \
(tv)->tv_usec = (t) % 1000 * 1000; \
}
#ifndef TIMESPEC_TO_TIMEVAL
#define TIMESPEC_TO_TIMEVAL(tv,ts) { \
(tv)->tv_sec = (ts)->tv_sec; \
(tv)->tv_usec = (ts)->tv_nsec / 1000; \
}
#endif
typedef struct {
DIR *dir;
char *name;
int d;
char **stack;
int stcap;
int stlen;
} r_dir_t;
void* s_malloc(size_t);
void* s_realloc(void*, size_t);
void warn(const char*, ...);
void die(const char*, ...);
void size_readable(float*, const char**);
char* absolute_path(const char*);
int r_opendir(r_dir_t*, const char*);
int r_closedir(r_dir_t*);
char* r_readdir(r_dir_t*);
int r_mkdir(const char *);
#endif /* UTIL_H */
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