minix/lib/libc/sys-minix/stat.c
David van Moolenbroek 24ec0d73b5 Clean up interface to PM and VFS
- introduce new call numbers, names, and field aliases;
- initialize request messages to zero for all ABI calls;
- format callnr.h in the same way as com.h;
- redo call tables in both servers;
- remove param.h namespace pollution in the servers;
- make brk(2) go to VM directly, rather than through PM;
- remove obsolete BRK, UTIME, and WAIT calls;
- clean up path copying routine in VFS;
- move remaining system calls from libminlib to libc;
- correct some errno-related mistakes in libc routines.

Change-Id: I2d8ec5d061cd7e0b30c51ffd77aa72ebf84e2565
2014-03-01 09:05:01 +01:00

59 lines
1.3 KiB
C

#include <sys/cdefs.h>
#include "namespace.h"
#include <lib.h>
#include <sys/stat.h>
#include <string.h>
int _stat(const char *name, struct stat *buffer);
int _lstat(const char *name, struct stat *buffer);
int _fstat(int fd, struct stat *buffer);
#ifdef __weak_alias
__weak_alias(_stat, __stat50);
__weak_alias(_lstat, __lstat50);
__weak_alias(_fstat, __fstat50);
__weak_alias(stat, __stat50);
__weak_alias(lstat, __lstat50);
__weak_alias(fstat, __fstat50);
#endif
int stat(const char *name, struct stat *buffer)
{
message m;
memset(&m, 0, sizeof(m));
m.VFS_STAT_LEN = strlen(name) + 1;
m.VFS_STAT_NAME = (char *) __UNCONST(name);
m.VFS_STAT_BUF = (char *) buffer;
return _syscall(VFS_PROC_NR, VFS_STAT, &m);
}
int _fstat(int fd, struct stat *buffer) { return fstat(fd, buffer); }
int fstat(int fd, struct stat *buffer)
{
message m;
memset(&m, 0, sizeof(m));
m.VFS_FSTAT_FD = fd;
m.VFS_FSTAT_BUF = (char *) buffer;
return _syscall(VFS_PROC_NR, VFS_FSTAT, &m);
}
int _lstat(const char *name, struct stat *buffer) { return lstat(name, buffer); }
int lstat(const char *name, struct stat *buffer)
{
message m;
memset(&m, 0, sizeof(m));
m.VFS_STAT_LEN = strlen(name) + 1;
m.VFS_STAT_NAME = (char *) __UNCONST(name);
m.VFS_STAT_BUF = (char *) buffer;
return _syscall(VFS_PROC_NR, VFS_LSTAT, &m);
}