diff options
Diffstat (limited to 'usr.sbin/cron/compat.c')
| -rw-r--r-- | usr.sbin/cron/compat.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/usr.sbin/cron/compat.c b/usr.sbin/cron/compat.c deleted file mode 100644 index 141f120cc7b..00000000000 --- a/usr.sbin/cron/compat.c +++ /dev/null @@ -1,238 +0,0 @@ -/* Copyright 1988,1990,1993,1994 by Paul Vixie - * All rights reserved - * - * Distribute freely, except: don't remove my name from the source or - * documentation (don't take credit for my work), mark your changes (don't - * get me blamed for your possible bugs), don't alter or remove this - * notice. May be sold if buildable source is provided to buyer. No - * warrantee of any kind, express or implied, is included with this - * software; use at your own risk, responsibility for damages (if any) to - * anyone resulting from the use of this software rests entirely with the - * user. - * - * Send bug reports, bug fixes, enhancements, requests, flames, etc., and - * I'll try to keep a version up to date. I can be reached as follows: - * Paul Vixie <paul@vix.com> uunet!decwrl!vixie!paul - */ - -#if !defined(lint) && !defined(LINT) -static char rcsid[] = "$Id: compat.c,v 1.3 2000/08/21 21:08:55 deraadt Exp $"; -#endif - -/* vix 30dec93 [broke this out of misc.c - see RCS log for history] - * vix 15jan87 [added TIOCNOTTY, thanks csg@pyramid] - */ - - -#include "cron.h" -#ifdef NEED_GETDTABLESIZE -# include <limits.h> -#endif -#if defined(NEED_SETSID) && defined(BSD) -# include <sys/ioctl.h> -#endif -#include <errno.h> - - -/* the code does not depend on any of vfork's - * side-effects; it just uses it as a quick - * fork-and-exec. - */ -#ifdef NEED_VFORK -PID_T -vfork() { - return (fork()); -} -#endif - - -#ifdef NEED_STRDUP -char * -strdup(str) - char *str; -{ - char *temp; - - if ((temp = malloc(strlen(str) + 1)) == NULL) { - errno = ENOMEM; - return NULL; - } - (void) strcpy(temp, str); - return temp; -} -#endif - - -#ifdef NEED_STRERROR -char * -strerror(error) - int error; -{ - extern char *sys_errlist[]; - extern int sys_nerr; - static char buf[32]; - - if ((error <= sys_nerr) && (error > 0)) { - return sys_errlist[error]; - } - - snprintf(buf, sizeof buf, "Unknown error: %d", error); - return buf; -} -#endif - - -#ifdef NEED_STRCASECMP -int -strcasecmp(left, right) - char *left; - char *right; -{ - while (*left && (MkLower(*left) == MkLower(*right))) { - left++; - right++; - } - return MkLower(*left) - MkLower(*right); -} -#endif - - -#ifdef NEED_SETSID -int -setsid() -{ - int newpgrp; -# if defined(BSD) - int fd; -# if defined(POSIX) - newpgrp = setpgid((pid_t)0, getpid()); -# else - newpgrp = setpgrp(0, getpid()); -# endif - if ((fd = open("/dev/tty", 2)) >= 0) - { - (void) ioctl(fd, TIOCNOTTY, (char*)0); - (void) close(fd); - } -# else /*BSD*/ - newpgrp = setpgrp(); - - (void) close(STDIN); (void) open("/dev/null", 0); - (void) close(STDOUT); (void) open("/dev/null", 1); - (void) close(STDERR); (void) open("/dev/null", 2); -# endif /*BSD*/ - return newpgrp; -} -#endif /*NEED_SETSID*/ - - -#ifdef NEED_GETDTABLESIZE -int -getdtablesize() { -#ifdef _SC_OPEN_MAX - return sysconf(_SC_OPEN_MAX); -#else - return _POSIX_OPEN_MAX; -#endif -} -#endif - - -#ifdef NEED_FLOCK -/* The following flock() emulation snarfed intact *) from the HP-UX - * "BSD to HP-UX porting tricks" maintained by - * system@alchemy.chem.utoronto.ca (System Admin (Mike Peterson)) - * from the version "last updated: 11-Jan-1993" - * Snarfage done by Jarkko Hietaniemi <Jarkko.Hietaniemi@hut.fi> - * *) well, almost, had to K&R the function entry, HPUX "cc" - * does not grok ANSI function prototypes */ - -/* - * flock (fd, operation) - * - * This routine performs some file locking like the BSD 'flock' - * on the object described by the int file descriptor 'fd', - * which must already be open. - * - * The operations that are available are: - * - * LOCK_SH - get a shared lock. - * LOCK_EX - get an exclusive lock. - * LOCK_NB - don't block (must be ORed with LOCK_SH or LOCK_EX). - * LOCK_UN - release a lock. - * - * Return value: 0 if lock successful, -1 if failed. - * - * Note that whether the locks are enforced or advisory is - * controlled by the presence or absence of the SETGID bit on - * the executable. - * - * Note that there is no difference between shared and exclusive - * locks, since the 'lockf' system call in SYSV doesn't make any - * distinction. - * - * The file "<sys/file.h>" should be modified to contain the definitions - * of the available operations, which must be added manually (see below - * for the values). - */ - -/* this code has been reformatted by vixie */ - -int -flock(fd, operation) - int fd; - int operation; -{ - int i; - - switch (operation) { - case LOCK_SH: /* get a shared lock */ - case LOCK_EX: /* get an exclusive lock */ - i = lockf (fd, F_LOCK, 0); - break; - - case LOCK_SH|LOCK_NB: /* get a non-blocking shared lock */ - case LOCK_EX|LOCK_NB: /* get a non-blocking exclusive lock */ - i = lockf (fd, F_TLOCK, 0); - if (i == -1) - if ((errno == EAGAIN) || (errno == EACCES)) - errno = EWOULDBLOCK; - break; - - case LOCK_UN: /* unlock */ - i = lockf (fd, F_ULOCK, 0); - break; - - default: /* can't decipher operation */ - i = -1; - errno = EINVAL; - break; - } - - return (i); -} -#endif /*NEED_FLOCK*/ - - -#ifdef NEED_SETENV -int -setenv(name, value, overwrite) - char *name, *value; - int overwrite; -{ - char *tmp; - int len; - - if (overwrite && getenv(name)) - return -1; - - len = strlen(name) + strlen(value) + 2; - if (!(tmp = malloc(len))) { - errno = ENOMEM; - return -1; - } - - snprintf(tmp, len, "%s=%s", name, value); - return putenv(tmp); /* intentionally orphan 'tmp' storage */ -} -#endif |