contrib/chg/util.h
author Jun Wu <quark@fb.com>
Mon, 11 Apr 2016 00:17:17 +0100
changeset 28855 f5764e177bbe
parent 28854 ddef14468952
child 29440 009cc6c89d0f
permissions -rw-r--r--
chg: extract the logic of setting FD_CLOEXEC to a utility function Setting FD_CLOEXEC is useful for other fds such like lockfd and sockdirfd, move the logic from hgc_open to util.

/*
 * Utility functions
 *
 * Copyright (c) 2011 Yuya Nishihara <yuya@tcha.org>
 *
 * This software may be used and distributed according to the terms of the
 * GNU General Public License version 2 or any later version.
 */

#ifndef UTIL_H_
#define UTIL_H_

#ifdef __GNUC__
#define PRINTF_FORMAT_ __attribute__((format(printf, 1, 2)))
#else
#define PRINTF_FORMAT_
#endif

void abortmsg(const char *fmt, ...) PRINTF_FORMAT_;
void abortmsgerrno(const char *fmt, ...) PRINTF_FORMAT_;

void enablecolor(void);
void enabledebugmsg(void);
void debugmsg(const char *fmt, ...) PRINTF_FORMAT_;

void fchdirx(int dirfd);
void fsetcloexec(int fd);
void *mallocx(size_t size);
void *reallocx(void *ptr, size_t size);

int runshellcmd(const char *cmd, const char *envp[], const char *cwd);

#endif  /* UTIL_H_ */