1*6a54128fSAndroid Build Coastguard Worker /* 2*6a54128fSAndroid Build Coastguard Worker * fgetproject.c --- get project id 3*6a54128fSAndroid Build Coastguard Worker * 4*6a54128fSAndroid Build Coastguard Worker * Copyright (C) 1999 Theodore Ts'o <[email protected]> 5*6a54128fSAndroid Build Coastguard Worker * 6*6a54128fSAndroid Build Coastguard Worker * %Begin-Header% 7*6a54128fSAndroid Build Coastguard Worker * This file may be redistributed under the terms of the GNU Library 8*6a54128fSAndroid Build Coastguard Worker * General Public License, version 2. 9*6a54128fSAndroid Build Coastguard Worker * %End-Header% 10*6a54128fSAndroid Build Coastguard Worker */ 11*6a54128fSAndroid Build Coastguard Worker 12*6a54128fSAndroid Build Coastguard Worker #ifndef _LARGEFILE_SOURCE 13*6a54128fSAndroid Build Coastguard Worker #define _LARGEFILE_SOURCE 14*6a54128fSAndroid Build Coastguard Worker #endif 15*6a54128fSAndroid Build Coastguard Worker #ifndef _LARGEFILE64_SOURCE 16*6a54128fSAndroid Build Coastguard Worker #define _LARGEFILE64_SOURCE 17*6a54128fSAndroid Build Coastguard Worker #endif 18*6a54128fSAndroid Build Coastguard Worker 19*6a54128fSAndroid Build Coastguard Worker #include "config.h" 20*6a54128fSAndroid Build Coastguard Worker #if HAVE_ERRNO_H 21*6a54128fSAndroid Build Coastguard Worker #include <errno.h> 22*6a54128fSAndroid Build Coastguard Worker #endif 23*6a54128fSAndroid Build Coastguard Worker #if HAVE_UNISTD_H 24*6a54128fSAndroid Build Coastguard Worker #include <unistd.h> 25*6a54128fSAndroid Build Coastguard Worker #endif 26*6a54128fSAndroid Build Coastguard Worker #include <sys/types.h> 27*6a54128fSAndroid Build Coastguard Worker #include <sys/stat.h> 28*6a54128fSAndroid Build Coastguard Worker #if HAVE_EXT2_IOCTLS 29*6a54128fSAndroid Build Coastguard Worker #include <fcntl.h> 30*6a54128fSAndroid Build Coastguard Worker #include <sys/ioctl.h> 31*6a54128fSAndroid Build Coastguard Worker #include "project.h" 32*6a54128fSAndroid Build Coastguard Worker #endif 33*6a54128fSAndroid Build Coastguard Worker 34*6a54128fSAndroid Build Coastguard Worker #include "e2p.h" 35*6a54128fSAndroid Build Coastguard Worker 36*6a54128fSAndroid Build Coastguard Worker #ifdef O_LARGEFILE 37*6a54128fSAndroid Build Coastguard Worker #define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE) 38*6a54128fSAndroid Build Coastguard Worker #else 39*6a54128fSAndroid Build Coastguard Worker #define OPEN_FLAGS (O_RDONLY|O_NONBLOCK) 40*6a54128fSAndroid Build Coastguard Worker #endif 41*6a54128fSAndroid Build Coastguard Worker fgetproject(const char * name,unsigned long * project)42*6a54128fSAndroid Build Coastguard Workerint fgetproject(const char *name, unsigned long *project) 43*6a54128fSAndroid Build Coastguard Worker { 44*6a54128fSAndroid Build Coastguard Worker #ifndef FS_IOC_FSGETXATTR 45*6a54128fSAndroid Build Coastguard Worker errno = EOPNOTSUPP; 46*6a54128fSAndroid Build Coastguard Worker return -1; 47*6a54128fSAndroid Build Coastguard Worker #else 48*6a54128fSAndroid Build Coastguard Worker int fd, r, save_errno = 0; 49*6a54128fSAndroid Build Coastguard Worker struct fsxattr fsx; 50*6a54128fSAndroid Build Coastguard Worker 51*6a54128fSAndroid Build Coastguard Worker fd = open (name, OPEN_FLAGS); 52*6a54128fSAndroid Build Coastguard Worker if (fd == -1) 53*6a54128fSAndroid Build Coastguard Worker return -1; 54*6a54128fSAndroid Build Coastguard Worker r = ioctl (fd, FS_IOC_FSGETXATTR, &fsx); 55*6a54128fSAndroid Build Coastguard Worker if (r == 0) 56*6a54128fSAndroid Build Coastguard Worker *project = fsx.fsx_projid; 57*6a54128fSAndroid Build Coastguard Worker save_errno = errno; 58*6a54128fSAndroid Build Coastguard Worker close (fd); 59*6a54128fSAndroid Build Coastguard Worker if (save_errno) 60*6a54128fSAndroid Build Coastguard Worker errno = save_errno; 61*6a54128fSAndroid Build Coastguard Worker return r; 62*6a54128fSAndroid Build Coastguard Worker #endif 63*6a54128fSAndroid Build Coastguard Worker } 64