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/*
* common.[ch] - C helpers common to the whole of chiark-utils
*
* Copyright 2007 Canonical Ltd
* Copyright 2016 Canonical Ltd
*
*
* 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 3 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 file; if not, consult the Free Software
* Foundation's website at www.fsf.org, or the GNU Project website at
* www.gnu.org.
*
*/
#include "common.h"
char *m_vasprintf(const char *fmt, va_list al) {
char *s; int r;
r= vasprintf(&s,fmt,al);
if (r==-1) common_diee("vasprintf");
return s;
}
char *m_asprintf(const char *fmt, ...) {
char *s; va_list al;
va_start(al,fmt); s= m_vasprintf(fmt,al); va_end(al);
return s;
}
void *xmalloc(size_t sz) {
void *r= malloc(sz);
if (!r) common_diee("malloc");
return r;
}
void nonblock(int fd) {
int r;
r= fcntl(fd,F_GETFL); if (r<0) common_diee("nonblock fcntl F_GETFL");
r |= O_NONBLOCK;
r= fcntl(fd,F_SETFL,r); if (r<0) common_diee("nonblock fcntl F_GETFL");
}
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