4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
129 lines
2.7 KiB
C
129 lines
2.7 KiB
C
#include <sys/cdefs.h>
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#include "namespace.h"
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#include <lib.h>
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#ifdef __weak_alias
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__weak_alias(stat, _stat)
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__weak_alias(fstat, _fstat)
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__weak_alias(lstat, _lstat)
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#ifdef __MINIX_EMULATE_NETBSD_STAT
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__weak_alias(_stat, __emu_netbsd_stat)
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__weak_alias(_fstat, __emu_netbsd_fstat)
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__weak_alias(_lstat, __emu_netbsd_lstat)
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#else
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__weak_alias(_stat, __orig_minix_stat)
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__weak_alias(_fstat, __orig_minix_fstat)
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__weak_alias(_lstat, __orig_minix_lstat)
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#endif
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#else /* !__weak_alias */
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#ifdef __MINIX_EMULATE_NETBSD_STAT
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#define __emu_netbsd_stat stat
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#define __emu_netbsd_fstat fstat
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#define __emu_netbsd_lstat lstat
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#else
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#define __orig_minix_stat stat
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#define __orig_minix_fstat fstat
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#define __orig_minix_lstat lstat
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#endif
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#endif /* !__weak_alias */
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#include <sys/stat.h>
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#include <string.h>
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int __orig_minix_stat(name, buffer)
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const char *name;
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struct __minix_stat *buffer;
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{
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message m;
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m.m1_i1 = strlen(name) + 1;
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m.m1_p1 = (char *) name;
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m.m1_p2 = (char *) buffer;
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return(_syscall(VFS_PROC_NR, STAT, &m));
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}
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int __orig_minix_fstat(fd, buffer)
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int fd;
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struct __minix_stat *buffer;
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{
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message m;
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m.m1_i1 = fd;
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m.m1_p1 = (char *) buffer;
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return(_syscall(VFS_PROC_NR, FSTAT, &m));
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}
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int __orig_minix_lstat(name, buffer)
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const char *name;
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struct __minix_stat *buffer;
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{
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message m;
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int r;
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m.m1_i1 = strlen(name) + 1;
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m.m1_p1 = (char *) name;
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m.m1_p2 = (char *) buffer;
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if((r = _syscall(VFS_PROC_NR, LSTAT, &m)) >= 0 || errno != ENOSYS)
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return r;
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return __orig_minix_stat(name, buffer);
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}
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/*
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* NetBSD Fields Emulation.
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*/
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static void __emulate_netbsd_fields(struct __netbsd_stat *buffer)
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{
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/* Emulated NetBSD fields. */
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buffer->st_atimespec.tv_sec = buffer->st_atime;
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buffer->st_atimespec.tv_nsec = 0;
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buffer->st_mtimespec.tv_sec = buffer->st_mtime;
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buffer->st_mtimespec.tv_nsec = 0;
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buffer->st_ctimespec.tv_sec = buffer->st_ctime;
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buffer->st_ctimespec.tv_nsec = 0;
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buffer->st_birthtimespec.tv_sec = 0;
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buffer->st_birthtimespec.tv_nsec = 0;
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buffer->st_blocks = (buffer->st_size / S_BLKSIZE) + 1;
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buffer->st_blksize = MINIX_ST_BLKSIZE;
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buffer->st_flags = 0;
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buffer->st_gen = 0;
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}
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const int __emu_netbsd_stat(name, buffer)
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const char *name;
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struct __netbsd_stat *buffer;
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{
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int r;
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r = __orig_minix_stat(name, (struct __minix_stat *)buffer);
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if (r < 0)
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return r;
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__emulate_netbsd_fields(buffer);
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return r;
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}
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int __emu_netbsd_fstat(fd, buffer)
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int fd;
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struct __netbsd_stat *buffer;
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{
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int r;
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r = __orig_minix_fstat(fd, (struct __minix_stat *)buffer);
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if ( r < 0 )
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return r;
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__emulate_netbsd_fields(buffer);
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return r;
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}
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int __emu_netbsd_lstat(name, buffer)
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const char *name;
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struct __netbsd_stat *buffer;
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{
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int r;
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r = __orig_minix_lstat(name, (struct __minix_stat *)buffer);
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if ( r < 0 )
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return r;
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__emulate_netbsd_fields(buffer);
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return r;
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}
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