2022-03-15 15:52:26 -06:00
										 
									 
								 
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								/* See LICENSE.dwm file for copyright and license details. */
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								#include <stdarg.h>
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								#include <stdio.h>
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								#include <stdlib.h>
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								#include <string.h>
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											2024-06-27 13:19:16 -06:00
										 
									 
								 
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								#include <fcntl.h>
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								#include "util.h"
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								void
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								die(const char *fmt, ...) {
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									va_list ap;
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									va_start(ap, fmt);
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									vfprintf(stderr, fmt, ap);
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									va_end(ap);
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									if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
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										fputc(' ', stderr);
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										perror(NULL);
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									} else {
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										fputc('\n', stderr);
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									}
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									exit(1);
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								}
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											2022-10-29 14:55:03 -05:00
										 
									 
								 
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								void *
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								ecalloc(size_t nmemb, size_t size)
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								{
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									void *p;
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									if (!(p = calloc(nmemb, size)))
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										die("calloc:");
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									return p;
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								}
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											2024-06-27 13:19:16 -06:00
										 
									 
								 
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								int
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								fd_set_nonblock(int fd) {
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									int flags = fcntl(fd, F_GETFL);
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								    if (flags < 0) {
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										perror("fcntl(F_GETFL):");
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								        return -1;
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								    }
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								    if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0) {
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										perror("fcntl(F_SETFL):");
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										return -1;
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								    }
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									return 0;
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								}
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