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Enable devname(3)

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There is no support for a device name database yet, so this call is
expected to be fairly slow.

Change-Id: I73aa5f267e2b6921b7d3bbdcc4beac463931132c
This commit is contained in:
David van Moolenbroek 2013-09-18 13:38:36 +02:00 committed by Lionel Sambuc
parent 32c9b6653b
commit d266a94fea
6 changed files with 23 additions and 27 deletions
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32
commands/fdisk/fdisk.c
View file

@ -75,7 +75,7 @@ char *secbuf;
int badbases; int badbases;
int badsizes; int badsizes;
int badorders; int badorders;
char *devname; char *dev_name;
int nhead; int nhead;
int nsec; int nsec;
int ncyl = 1024; int ncyl = 1024;
@ -161,9 +161,9 @@ int main(int argc, char *argv[])
} }
if (argn == argc) if (argn == argc)
devname = DEFAULT_DEV; dev_name = DEFAULT_DEV;
else if (argn == argc - 1) else if (argn == argc - 1)
devname = argv[argn]; dev_name = argv[argn];
else else
usage(); usage();
@ -232,7 +232,7 @@ void getgeom(void)
if (override) return; if (override) return;
if ((fd= open(devname, O_RDONLY)) < 0) return; if ((fd= open(dev_name, O_RDONLY)) < 0) return;
r = ioctl(fd, DIOCGETP, &geom); r = ioctl(fd, DIOCGETP, &geom);
close(fd); close(fd);
@ -242,21 +242,21 @@ void getgeom(void)
nsec = geom.sectors; nsec = geom.sectors;
ncyl = geom.cylinders; ncyl = geom.cylinders;
printf("Geometry of %s: %dx%dx%d\n", devname, ncyl, nhead, nsec); printf("Geometry of %s: %dx%dx%d\n", dev_name, ncyl, nhead, nsec);
} }
static int devfd; static int devfd;
void getboot(char *buffer) void getboot(char *buffer)
{ {
devfd = open(devname, 2); devfd = open(dev_name, 2);
if (devfd < 0) { if (devfd < 0) {
printf("No write permission on %s\n", devname); printf("No write permission on %s\n", dev_name);
readonly = 1; readonly = 1;
devfd = open(devname, 0); devfd = open(dev_name, 0);
} }
if (devfd < 0) { if (devfd < 0) {
printf("Cannot open device %s\n", devname); printf("Cannot open device %s\n", dev_name);
exit(1); exit(1);
} }
if (read(devfd, buffer, SECSIZE) != SECSIZE) { if (read(devfd, buffer, SECSIZE) != SECSIZE) {
@ -264,7 +264,7 @@ void getboot(char *buffer)
exit(1); exit(1);
} }
if (* (unsigned short *) &buffer[510] != 0xAA55) { if (* (unsigned short *) &buffer[510] != 0xAA55) {
printf("Invalid boot sector on %s.\n", devname); printf("Invalid boot sector on %s.\n", dev_name);
printf("Partition table reset and boot code installed.\n"); printf("Partition table reset and boot code installed.\n");
memset(buffer, 0, 512); memset(buffer, 0, 512);
memcpy(buffer, bootstrap, sizeof(bootstrap)); memcpy(buffer, bootstrap, sizeof(bootstrap));
@ -514,8 +514,8 @@ int chk_table(void)
printf( printf(
"Disk appears to have mis-specified number of heads or sectors.\n"); "Disk appears to have mis-specified number of heads or sectors.\n");
printf("Try fdisk -h%d -s%d %s instead of\n", printf("Try fdisk -h%d -s%d %s instead of\n",
maxhead + 1, maxsec, devname); maxhead + 1, maxsec, dev_name);
printf(" fdisk -h%d -s%d %s\n", nhead, nsec, devname); printf(" fdisk -h%d -s%d %s\n", nhead, nsec, dev_name);
seenpart = 0; seenpart = 0;
} }
} else { } else {
@ -695,12 +695,12 @@ void getboot(char *buffer)
segread(&sregs); /* get ds */ segread(&sregs); /* get ds */
if (devname[1] != ':') { if (dev_name[1] != ':') {
printf("Invalid drive %s\n", devname); printf("Invalid drive %s\n", dev_name);
exit(1); exit(1);
} }
if (*devname >= 'a') *devname += 'A' - 'a'; if (*dev_name >= 'a') *dev_name += 'A' - 'a';
drivenum = (*devname - 'C') & 0xff; drivenum = (*dev_name - 'C') & 0xff;
if (drivenum < 0 || drivenum > 7) { if (drivenum < 0 || drivenum > 7) {
printf("Funny drive number %d\n", drivenum); printf("Funny drive number %d\n", drivenum);
exit(1); exit(1);

2
include/stdlib.h
View file

@ -272,12 +272,10 @@ int cgetustr(char *, const char *, char **);
void csetexpandtc(int); void csetexpandtc(int);
int daemon(int, int); int daemon(int, int);
#ifndef __minix
int devname_r(dev_t, mode_t, char *, size_t); int devname_r(dev_t, mode_t, char *, size_t);
#ifndef __LIBC12_SOURCE__ #ifndef __LIBC12_SOURCE__
__aconst char *devname(dev_t, mode_t) __RENAME(__devname50); __aconst char *devname(dev_t, mode_t) __RENAME(__devname50);
#endif #endif
#endif /* !__minix */
#define HN_DECIMAL 0x01 #define HN_DECIMAL 0x01
#define HN_NOSPACE 0x02 #define HN_NOSPACE 0x02

4
lib/libc/gen/Makefile.inc
View file

@ -12,7 +12,7 @@
# closefrom.c confstr.c extattr.c getdevmajor.c \ # closefrom.c confstr.c extattr.c getdevmajor.c \
# pthread_atfork.c setdomainname.c sethostname.c setproctitle.c \ # pthread_atfork.c setdomainname.c sethostname.c setproctitle.c \
# sysctl.c sysctlbyname.c sysctlgetmibinfo.c sysctlnametomib.c \ # sysctl.c sysctlbyname.c sysctlgetmibinfo.c sysctlnametomib.c \
# devname.c wait3.c # wait3.c
# To be ported # To be ported
# nlist.c nlist_aout.c nlist_coff.c nlist_ecoff.c nlist_elf32.c nlist_elf64.c # nlist.c nlist_aout.c nlist_coff.c nlist_ecoff.c nlist_elf32.c nlist_elf64.c
@ -26,7 +26,7 @@
SRCS+= _errno.c alarm.c alphasort.c arc4random.c assert.c basename.c clock.c \ SRCS+= _errno.c alarm.c alphasort.c arc4random.c assert.c basename.c clock.c \
closedir.c \ closedir.c \
ctermid.c ctype_.c daemon.c \ ctermid.c ctype_.c daemon.c \
dehumanize_number.c dirname.c err.c errx.c \ dehumanize_number.c devname.c dirname.c err.c errx.c \
errlist.c errno.c execl.c execle.c execlp.c execv.c execvp.c \ errlist.c errno.c execl.c execle.c execlp.c execv.c execvp.c \
fmtcheck.c fmtmsg.c fnmatch.c fstab.c ftok.c \ fmtcheck.c fmtmsg.c fnmatch.c fstab.c ftok.c \
fts.c ftw.c getbsize.c getcap.c getcwd.c \ fts.c ftw.c getbsize.c getcap.c getcwd.c \

4
lib/libc/gen/devname.c
View file

@ -49,6 +49,7 @@ __RCSID("$NetBSD: devname.c,v 1.22 2012/06/03 21:42:46 joerg Exp $");
__weak_alias(devname_r,_devname_r) __weak_alias(devname_r,_devname_r)
#endif #endif
#ifndef __minix
static once_t db_opened = ONCE_INITIALIZER; static once_t db_opened = ONCE_INITIALIZER;
static struct cdbr *db; static struct cdbr *db;
static devmajor_t pts; static devmajor_t pts;
@ -101,6 +102,7 @@ devname_ptslookup(dev_t dev, mode_t type, char *path, size_t len)
return ERANGE; return ERANGE;
return 0; return 0;
} }
#endif
static int static int
devname_fts(dev_t dev, mode_t type, char *path, size_t len) devname_fts(dev_t dev, mode_t type, char *path, size_t len)
@ -140,6 +142,7 @@ devname_r(dev_t dev, mode_t type, char *path, size_t len)
{ {
int rv; int rv;
#ifndef __minix
thr_once(&db_opened, devname_dbopen); thr_once(&db_opened, devname_dbopen);
if (db != NULL) { if (db != NULL) {
@ -154,6 +157,7 @@ devname_r(dev_t dev, mode_t type, char *path, size_t len)
if (db != NULL) if (db != NULL)
return ENOENT; return ENOENT;
#endif
rv = devname_fts(dev, type, path, len); rv = devname_fts(dev, type, path, len);
return rv; return rv;
} }

3
sys/stdlib.h
View file

@ -267,11 +267,10 @@ int cgetustr(char *, const char *, char **);
void csetexpandtc(int); void csetexpandtc(int);
int daemon(int, int); int daemon(int, int);
#ifndef __minix int devname_r(dev_t, mode_t, char *, size_t);
#if !defined(__LIBC12_SOURCE__) && !defined(_STANDALONE) #if !defined(__LIBC12_SOURCE__) && !defined(_STANDALONE)
__aconst char *devname(dev_t, mode_t) __RENAME(__devname50); __aconst char *devname(dev_t, mode_t) __RENAME(__devname50);
#endif #endif
#endif /* !__minix */
#define HN_DECIMAL 0x01 #define HN_DECIMAL 0x01
#define HN_NOSPACE 0x02 #define HN_NOSPACE 0x02

5
usr.bin/stat/stat.c
View file

@ -44,12 +44,7 @@ __RCSID("$NetBSD: stat.c,v 1.36 2011/09/22 20:23:56 apb Exp $");
#define HAVE_STRUCT_STAT_ST_BIRTHTIME 1 #define HAVE_STRUCT_STAT_ST_BIRTHTIME 1
#define HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC 1 #define HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC 1
#define HAVE_STRUCT_STAT_ST_MTIMENSEC 1 #define HAVE_STRUCT_STAT_ST_MTIMENSEC 1
#ifdef __minix
/* Not supported in Minix. */
#define HAVE_DEVNAME 0
#else /* __minix */
#define HAVE_DEVNAME 1 #define HAVE_DEVNAME 1
#endif /* __minx */
#endif /* HAVE_NBTOOL_CONFIG_H */ #endif /* HAVE_NBTOOL_CONFIG_H */
#include <sys/types.h> #include <sys/types.h>