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lib9: rip out platform specific code that breaks on pclinuxos

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R=r
CC=golang-dev
https://golang.org/cl/154049
This commit is contained in:
Russ Cox 2009-11-10 23:42:21 -08:00
parent 244a65c66e
commit cd0cbd3ed2
1 changed files with 7 additions and 109 deletions
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122
src/lib9/_p9dir.c
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@ -32,119 +32,17 @@ THE SOFTWARE.
#include <pwd.h>
#include <grp.h>
#if defined(__FreeBSD__)
#include <sys/disk.h>
#include <sys/disklabel.h>
#include <sys/ioctl.h>
#endif
#if defined(__OpenBSD__)
#include <sys/disklabel.h>
#include <sys/ioctl.h>
#define _HAVEDISKLABEL
static int diskdev[] = {
151, /* aacd */
116, /* ad */
157, /* ar */
118, /* afd */
133, /* amrd */
13, /* da */
102, /* fla */
109, /* idad */
95, /* md */
131, /* mlxd */
168, /* pst */
147, /* twed */
43, /* vn */
3, /* wd */
87, /* wfd */
4, /* da on FreeBSD 5 */
};
static int
isdisk(struct stat *st)
{
int i, dev;
if(!S_ISCHR(st->st_mode))
return 0;
dev = major(st->st_rdev);
for(i=0; i<nelem(diskdev); i++)
if(diskdev[i] == dev)
return 1;
return 0;
}
#endif
#if defined(__FreeBSD__) /* maybe OpenBSD too? */
char *diskdev[] = {
"aacd",
"ad",
"ar",
"afd",
"amrd",
"da",
"fla",
"idad",
"md",
"mlxd",
"pst",
"twed",
"vn",
"wd",
"wfd",
"da",
};
static int
isdisk(struct stat *st)
{
char *name;
int i, len;
if(!S_ISCHR(st->st_mode))
return 0;
name = devname(st->st_rdev, S_IFCHR);
for(i=0; i<nelem(diskdev); i++){
len = strlen(diskdev[i]);
if(strncmp(diskdev[i], name, len) == 0 && isdigit((uchar)name[len]))
return 1;
}
return 0;
}
#endif
#if defined(__linux__)
#include <linux/hdreg.h>
#include <linux/fs.h>
#include <sys/ioctl.h>
#undef major
#define major(dev) ((int)(((dev) >> 8) & 0xff))
static vlong
disksize(int fd, int dev)
{
u64int u64;
long l;
struct hd_geometry geo;
memset(&geo, 0, sizeof geo);
l = 0;
u64 = 0;
#ifdef BLKGETSIZE64
if(ioctl(fd, BLKGETSIZE64, &u64) >= 0)
return u64;
#endif
if(ioctl(fd, BLKGETSIZE, &l) >= 0)
return l*512;
if(ioctl(fd, HDIO_GETGEO, &geo) >= 0)
return (vlong)geo.heads*geo.sectors*geo.cylinders*512;
return 0;
}
/*
* No need for a real disk size function here:
* the Go build isn't looking at raw disk devices,
* so this avoids portability problems.
*/
#define _HAVEDISKSIZE
#endif
#if !defined(__linux__) && !defined(__sun__)
#define _HAVESTGEN
#endif
static vlong
disksize(int fd, int x)
{
return 0;
}
int _p9usepwlibrary = 1;
/*