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/* sxiv: util.c
* 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.
*/
#include <stdlib.h>
#include <stdio.h>
#include "options.h"
#include "util.h"
void cleanup();
void* s_malloc(size_t size) {
void *ptr;
if (!(ptr = malloc(size)))
die("could not allocate memory");
return ptr;
}
void* s_realloc(void *ptr, size_t size) {
if (!(ptr = realloc(ptr, size)))
die("could not allocate memory");
return ptr;
}
void warn(const char* fmt, ...) {
va_list args;
if (!fmt || options->quiet)
return;
va_start(args, fmt);
fprintf(stderr, "sxiv: warning: ");
vfprintf(stderr, fmt, args);
fprintf(stderr, "\n");
va_end(args);
}
void die(const char* fmt, ...) {
va_list args;
if (!fmt)
return;
va_start(args, fmt);
fprintf(stderr, "sxiv: error: ");
vfprintf(stderr, fmt, args);
fprintf(stderr, "\n");
va_end(args);
cleanup();
exit(1);
}
void size_readable(float *size, const char **unit) {
const char *units[] = { "", "K", "M", "G" };
int i;
for (i = 0; i < LEN(units) && *size > 1024; ++i)
*size /= 1024;
*unit = units[MIN(i, LEN(units) - 1)];
}
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