b87af1c325
This patch changes the NBSD libc stat implemenation and adds fstat (and headers), taken from current libc. It also adds weaks alias to functions in the resolver that were removed from public use in NetBSD but that are still used by Minix, and fixes a NetBSD non-REENTRANT bug in in gen/initdir.c.
142 lines
2.7 KiB
C
142 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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#include <sys/stat.h>
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#include <string.h>
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#ifdef __MINIX_EMULATE_NETBSD_STAT
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#error __MINIX_EMULATE_NETBSD_STAT is set.
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#endif
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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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int __ext_minix_stat(name, buffer)
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const char *name;
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struct stat *buffer;
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{
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int r;
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r = __orig_minix_stat(name, buffer);
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if ( r < 0)
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return r;
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buffer->st_blksize = MINIX_ST_BLKSIZE;
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return r;
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}
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int __ext_minix_fstat(fd, buffer)
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int fd;
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struct stat *buffer;
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{
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int r;
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r = __orig_minix_fstat(fd, buffer);
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if ( r < 0 )
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return r;
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buffer->st_blksize = MINIX_ST_BLKSIZE;
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return r;
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}
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int __ext_minix_lstat(name, buffer)
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const char *name;
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struct stat *buffer;
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{
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int r;
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r = __orig_minix_lstat(name, buffer);
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if ( r < 0 )
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return r;
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buffer->st_blksize = MINIX_ST_BLKSIZE;
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return r;
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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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}
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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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