- Change ofwdump(8) to use sysexits(3) exit codes.
- Make the code use the new OFIOCMAXVALUE instead of defining the maximum length of property values locally. - Move the application specific parts from ofw_util.c to ofwdump.c in order to make ofw_util.c more library-like. While ofw_dump_properties() could be made non-specific to ofwdump(8) it's currently optimized for use in ofwdump(8) and making it a library-like function would just complicate the code unnecessarily. - Minor clean-up in ofw_util.c, e.g. make its use of getopt(3) the way it's described in style(9), make its usage() static, etc. - Add a comment in ofw_util.c about why it doesn't call usage() when neither the "-a" option nor a node-name where given. - Add ofw_optnode() and ofw_setprop(), helper functions for the OFIOCGETOPTNODE and OFIOCSET ioctls respectively, to ofw_util.[c,h]. - Be consistent with the use of 'const' in ofw_util.[c,h] and add 'const' to the function arguments that are acutally const but weren't declared as such. - Mark WARNS=6 clean. Approved by: tmm
This commit is contained in:
parent
a32a374caf
commit
8cc2c16287
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=129589
@ -5,6 +5,6 @@ MAN= ofwdump.8
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MANSUBDIR= /sparc64
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MANSUBDIR= /sparc64
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SRCS= ofwdump.c ofw_util.c
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SRCS= ofwdump.c ofw_util.c
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WARNS?= 5
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WARNS?= 6
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.include <bsd.prog.mk>
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.include <bsd.prog.mk>
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@ -37,34 +37,24 @@ __FBSDID("$FreeBSD$");
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <vis.h>
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#include "pathnames.h"
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#include "pathnames.h"
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#include "ofw_util.h"
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#include "ofw_util.h"
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/* Constants controlling the layout of the output. */
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#define LVLINDENT 2
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#define NAMEINDENT 2
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#define DUMPINDENT 4
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#define CHARSPERLINE 60
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#define BYTESPERLINE (CHARSPERLINE / 3)
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/* Default space reserved for properties. */
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#define PROPBUFLEN 8192
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#define OFW_IOCTL(fd, cmd, val) do { \
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#define OFW_IOCTL(fd, cmd, val) do { \
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if (ioctl(fd, cmd, val) == -1) \
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if (ioctl(fd, cmd, val) == -1) \
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err(1, "ioctl(..., " #cmd ", ...) failed"); \
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err(EX_IOERR, "ioctl(..., " #cmd ", ...) failed"); \
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} while (0)
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} while (0)
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int
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int
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ofw_open(void)
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ofw_open(int mode)
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{
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{
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int fd;
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int fd;
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if ((fd = open(PATH_DEV_OPENFIRM, O_RDONLY)) == -1)
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if ((fd = open(PATH_DEV_OPENFIRM, mode)) == -1)
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err(1, "could not open " PATH_DEV_OPENFIRM);
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err(EX_UNAVAILABLE, "could not open " PATH_DEV_OPENFIRM);
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return (fd);
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return (fd);
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}
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}
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@ -82,6 +72,15 @@ ofw_root(int fd)
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return (ofw_peer(fd, 0));
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return (ofw_peer(fd, 0));
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}
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}
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phandle_t
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ofw_optnode(int fd)
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{
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phandle_t rv;
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OFW_IOCTL(fd, OFIOCGETOPTNODE, &rv);
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return (rv);
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}
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phandle_t
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phandle_t
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ofw_peer(int fd, phandle_t node)
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ofw_peer(int fd, phandle_t node)
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{
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{
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@ -103,7 +102,7 @@ ofw_child(int fd, phandle_t node)
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}
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}
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phandle_t
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phandle_t
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ofw_finddevice(int fd, char *name)
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ofw_finddevice(int fd, const char *name)
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{
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{
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struct ofiocdesc d;
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struct ofiocdesc d;
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@ -114,9 +113,10 @@ ofw_finddevice(int fd, char *name)
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d.of_buf = NULL;
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d.of_buf = NULL;
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if (ioctl(fd, OFIOCFINDDEVICE, &d) == -1) {
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if (ioctl(fd, OFIOCFINDDEVICE, &d) == -1) {
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if (errno == ENOENT)
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if (errno == ENOENT)
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err(2, "Node '%s' not found", name);
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err(EX_UNAVAILABLE, "Node '%s' not found", name);
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else
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else
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err(1, "ioctl(..., OFIOCFINDDEVICE, ...) failed");
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err(EX_IOERR,
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"ioctl(..., OFIOCFINDDEVICE, ...) failed");
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}
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}
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return (d.of_nodeid);
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return (d.of_nodeid);
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}
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}
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@ -129,7 +129,7 @@ ofw_firstprop(int fd, phandle_t node, char *buf, int buflen)
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}
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}
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int
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int
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ofw_nextprop(int fd, phandle_t node, char *prev, char *buf, int buflen)
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ofw_nextprop(int fd, phandle_t node, const char *prev, char *buf, int buflen)
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{
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{
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struct ofiocdesc d;
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struct ofiocdesc d;
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@ -142,7 +142,7 @@ ofw_nextprop(int fd, phandle_t node, char *prev, char *buf, int buflen)
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if (errno == ENOENT)
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if (errno == ENOENT)
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return (0);
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return (0);
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else
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else
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err(1, "ioctl(..., OFIOCNEXTPROP, ...) failed");
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err(EX_IOERR, "ioctl(..., OFIOCNEXTPROP, ...) failed");
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}
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}
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return (d.of_buflen);
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return (d.of_buflen);
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}
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}
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@ -153,7 +153,7 @@ ofw_malloc(int size)
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void *p;
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void *p;
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if ((p = malloc(size)) == NULL)
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if ((p = malloc(size)) == NULL)
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err(1, "malloc() failed");
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err(EX_OSERR, "malloc() failed");
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return (p);
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return (p);
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}
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}
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@ -171,6 +171,23 @@ ofw_getprop(int fd, phandle_t node, const char *name, void *buf, int buflen)
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return (d.of_buflen);
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return (d.of_buflen);
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}
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}
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int
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ofw_setprop(int fd, phandle_t node, const char *name, const void *buf,
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int buflen)
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{
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struct ofiocdesc d;
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d.of_nodeid = node;
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d.of_namelen = strlen(name);
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d.of_name = name;
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d.of_buflen = buflen;
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d.of_buf = ofw_malloc(buflen);
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memcpy(d.of_buf, buf, buflen);
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OFW_IOCTL(fd, OFIOCSET, &d);
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free(d.of_buf);
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return (d.of_buflen);
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}
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int
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int
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ofw_getproplen(int fd, phandle_t node, const char *name)
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ofw_getproplen(int fd, phandle_t node, const char *name)
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{
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{
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@ -197,7 +214,7 @@ ofw_getprop_alloc(int fd, phandle_t node, const char *name, void **buf,
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if (*buflen < len + reserve) {
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if (*buflen < len + reserve) {
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if (*buf != NULL)
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if (*buf != NULL)
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free(*buf);
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free(*buf);
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*buflen = len + reserve + PROPBUFLEN;
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*buflen = len + reserve + OFIOCMAXVALUE;
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*buf = ofw_malloc(*buflen);
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*buf = ofw_malloc(*buflen);
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}
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}
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d.of_nodeid = node;
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d.of_nodeid = node;
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@ -208,113 +225,6 @@ ofw_getprop_alloc(int fd, phandle_t node, const char *name, void **buf,
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rv = ioctl(fd, OFIOCGET, &d);
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rv = ioctl(fd, OFIOCGET, &d);
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} while (rv == -1 && errno == ENOMEM);
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} while (rv == -1 && errno == ENOMEM);
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if (rv == -1)
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if (rv == -1)
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err(1, "ioctl(..., OFIOCGET, ...) failed");
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err(EX_IOERR, "ioctl(..., OFIOCGET, ...) failed");
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return (d.of_buflen);
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return (d.of_buflen);
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}
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}
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static void
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ofw_indent(int level)
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{
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int i;
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for (i = 0; i < level; i++)
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putchar(' ');
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}
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static void
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ofw_dump_properties(int fd, phandle_t n, int level, char *pmatch, int raw,
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int str)
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{
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static void *pbuf;
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static char *visbuf;
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static char printbuf[CHARSPERLINE + 1];
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static int pblen, vblen;
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char prop[32];
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int nlen, len, i, j, max, vlen;
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for (nlen = ofw_firstprop(fd, n, prop, sizeof(prop)); nlen != 0;
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nlen = ofw_nextprop(fd, n, prop, prop, sizeof(prop))) {
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if (pmatch != NULL && strcmp(pmatch, prop) != 0)
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continue;
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len = ofw_getprop_alloc(fd, n, prop, &pbuf, &pblen, 1);
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if (len < 0)
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continue;
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if (raw)
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write(STDOUT_FILENO, pbuf, len);
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else if (str) {
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printf("%.*s\n", (int)len, (char *)pbuf);
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} else {
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ofw_indent(level * LVLINDENT + NAMEINDENT);
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printf("%s:\n", prop);
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/* Print in hex. */
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for (i = 0; i < len; i += BYTESPERLINE) {
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max = len - i;
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max = max > BYTESPERLINE ? BYTESPERLINE : max;
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ofw_indent(level * LVLINDENT + DUMPINDENT);
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for (j = 0; j < max; j++)
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printf("%02x ",
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((unsigned char *)pbuf)[i + j]);
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printf("\n");
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}
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/*
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* strvis() and print if it looks like it is
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* zero-terminated.
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*/
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if (((char *)pbuf)[len - 1] == '\0' &&
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strlen(pbuf) == (unsigned)len - 1) {
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if (vblen < (len - 1) * 4 + 1) {
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if (visbuf != NULL)
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free(visbuf);
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vblen = (PROPBUFLEN + len) * 4 + 1;
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visbuf = ofw_malloc(vblen);
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}
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vlen = strvis(visbuf, pbuf, VIS_TAB | VIS_NL);
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for (i = 0; i < vlen; i += CHARSPERLINE) {
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ofw_indent(level * LVLINDENT +
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DUMPINDENT);
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strlcpy(printbuf, &visbuf[i],
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sizeof(printbuf));
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printf("'%s'\n", printbuf);
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}
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}
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}
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}
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}
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static void
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ofw_dump_node(int fd, phandle_t n, int level, int rec, int prop, char *pmatch,
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int raw, int str)
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{
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static void *nbuf;
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static int nblen = 0;
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int plen;
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phandle_t c;
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if (!(raw || str)) {
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ofw_indent(level * LVLINDENT);
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printf("Node %#lx", (unsigned long)n);
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plen = ofw_getprop_alloc(fd, n, "name", &nbuf, &nblen, 1);
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if (plen > 0)
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printf(": %.*s\n", (int)plen, (char *)nbuf);
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else
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putchar('\n');
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}
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if (prop)
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ofw_dump_properties(fd, n, level, pmatch, raw, str);
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if (rec) {
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for (c = ofw_child(fd, n); c != 0; c = ofw_peer(fd, c)) {
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ofw_dump_node(fd, c, level + 1, rec, prop, pmatch,
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raw, str);
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}
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}
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}
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void
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ofw_dump(int fd, char *start, int rec, int prop, char *pmatch, int raw, int str)
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{
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phandle_t n;
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n = start == NULL ? ofw_root(fd) : ofw_finddevice(fd, start);
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ofw_dump_node(fd, n, 0, rec, prop, pmatch, raw, str);
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}
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@ -30,22 +30,21 @@
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|
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#include <dev/ofw/openfirm.h>
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#include <dev/ofw/openfirm.h>
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int ofw_open(void);
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int ofw_open(int);
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void ofw_close(int);
|
void ofw_close(int);
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|
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phandle_t ofw_root(int);
|
phandle_t ofw_root(int);
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|
phandle_t ofw_optnode(int);
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phandle_t ofw_peer(int, phandle_t);
|
phandle_t ofw_peer(int, phandle_t);
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phandle_t ofw_child(int, phandle_t);
|
phandle_t ofw_child(int, phandle_t);
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phandle_t ofw_finddevice(int, char *);
|
phandle_t ofw_finddevice(int, const char *);
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|
|
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int ofw_firstprop(int, phandle_t, char *, int);
|
int ofw_firstprop(int, phandle_t, char *, int);
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int ofw_nextprop(int, phandle_t, char *, char *, int);
|
int ofw_nextprop(int, phandle_t, const char *, char *, int);
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int ofw_getprop(int, phandle_t, const char *, void *, int);
|
int ofw_getprop(int, phandle_t, const char *, void *, int);
|
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|
int ofw_setprop(int, phandle_t, const char *, const void *, int);
|
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int ofw_getproplen(int, phandle_t, const char *);
|
int ofw_getproplen(int, phandle_t, const char *);
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int ofw_getprop_alloc(int, phandle_t, const char *, void **, int *,
|
int ofw_getprop_alloc(int, phandle_t, const char *, void **, int *,
|
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int);
|
int);
|
||||||
|
|
||||||
void ofw_dump(int, char *, int, int, char *, int, int);
|
|
||||||
|
|
||||||
#endif /* OFW_UTIL_H */
|
#endif /* OFW_UTIL_H */
|
||||||
|
|
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|
@ -26,22 +26,41 @@
|
|||||||
#include <sys/cdefs.h>
|
#include <sys/cdefs.h>
|
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__FBSDID("$FreeBSD$");
|
__FBSDID("$FreeBSD$");
|
||||||
|
|
||||||
|
#include <dev/ofw/openfirm.h>
|
||||||
|
#include <dev/ofw/openfirmio.h>
|
||||||
|
|
||||||
|
#include <err.h>
|
||||||
|
#include <fcntl.h>
|
||||||
#include <stdio.h>
|
#include <stdio.h>
|
||||||
#include <stdlib.h>
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <sysexits.h>
|
||||||
#include <unistd.h>
|
#include <unistd.h>
|
||||||
|
#include <vis.h>
|
||||||
|
|
||||||
#include "ofw_util.h"
|
#include "ofw_util.h"
|
||||||
|
|
||||||
void usage(void);
|
/* Constants controlling the layout of the output. */
|
||||||
|
#define LVLINDENT 2
|
||||||
|
#define NAMEINDENT 2
|
||||||
|
#define DUMPINDENT 4
|
||||||
|
#define CHARSPERLINE 60
|
||||||
|
#define BYTESPERLINE (CHARSPERLINE / 3)
|
||||||
|
|
||||||
void
|
static void usage(void);
|
||||||
|
static void ofw_indent(int);
|
||||||
|
static void ofw_dump_properties(int, phandle_t, int, const char *, int,
|
||||||
|
int);
|
||||||
|
static void ofw_dump(int, const char *, int, int, const char *, int, int);
|
||||||
|
|
||||||
|
static void
|
||||||
usage(void)
|
usage(void)
|
||||||
{
|
{
|
||||||
|
|
||||||
fprintf(stderr,
|
fprintf(stderr,
|
||||||
"usage: ofwdump -a [-p | -P property] [-R | -S]\n"
|
"usage: ofwdump -a [-p | -P property] [-R | -S]\n"
|
||||||
" ofwdump [-p | -P property] [-r] [-R | -S] [--] nodes\n");
|
" ofwdump [-p | -P property] [-r] [-R | -S] [--] nodes\n");
|
||||||
exit(1);
|
exit(EX_USAGE);
|
||||||
}
|
}
|
||||||
|
|
||||||
int
|
int
|
||||||
@ -85,22 +104,137 @@ main(int argc, char *argv[])
|
|||||||
usage();
|
usage();
|
||||||
Sflag = 1;
|
Sflag = 1;
|
||||||
break;
|
break;
|
||||||
|
case '?':
|
||||||
default:
|
default:
|
||||||
usage();
|
usage();
|
||||||
|
/* NOTREACHED */
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
argc -= optind;
|
argc -= optind;
|
||||||
argv += optind;
|
argv += optind;
|
||||||
|
|
||||||
fd = ofw_open();
|
fd = ofw_open(O_RDONLY);
|
||||||
if (aflag) {
|
if (aflag) {
|
||||||
if (argc != 0)
|
if (argc != 0)
|
||||||
usage();
|
usage();
|
||||||
ofw_dump(fd, NULL, rflag, pflag, Parg, Rflag, Sflag);
|
ofw_dump(fd, NULL, rflag, pflag, Parg, Rflag, Sflag);
|
||||||
} else {
|
} else {
|
||||||
|
/*
|
||||||
|
* For the sake of scripts, usage() is not called here if
|
||||||
|
* argc == 0.
|
||||||
|
*/
|
||||||
for (i = 0; i < argc; i++)
|
for (i = 0; i < argc; i++)
|
||||||
ofw_dump(fd, argv[i], rflag, pflag, Parg, Rflag, Sflag);
|
ofw_dump(fd, argv[i], rflag, pflag, Parg, Rflag, Sflag);
|
||||||
}
|
}
|
||||||
ofw_close(fd);
|
ofw_close(fd);
|
||||||
return (0);
|
return (EX_OK);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
ofw_indent(int level)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = 0; i < level; i++)
|
||||||
|
putchar(' ');
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
ofw_dump_properties(int fd, phandle_t n, int level, const char *pmatch, int raw,
|
||||||
|
int str)
|
||||||
|
{
|
||||||
|
static void *pbuf = NULL;
|
||||||
|
static char *visbuf = NULL;
|
||||||
|
static char printbuf[CHARSPERLINE + 1];
|
||||||
|
static int pblen = 0, vblen = 0;
|
||||||
|
char prop[32];
|
||||||
|
int nlen, len, i, j, max, vlen;
|
||||||
|
|
||||||
|
for (nlen = ofw_firstprop(fd, n, prop, sizeof(prop)); nlen != 0;
|
||||||
|
nlen = ofw_nextprop(fd, n, prop, prop, sizeof(prop))) {
|
||||||
|
if (pmatch != NULL && strcmp(pmatch, prop) != 0)
|
||||||
|
continue;
|
||||||
|
len = ofw_getprop_alloc(fd, n, prop, &pbuf, &pblen, 1);
|
||||||
|
if (len < 0)
|
||||||
|
continue;
|
||||||
|
if (raw)
|
||||||
|
write(STDOUT_FILENO, pbuf, len);
|
||||||
|
else if (str)
|
||||||
|
printf("%.*s\n", len, (char *)pbuf);
|
||||||
|
else {
|
||||||
|
ofw_indent(level * LVLINDENT + NAMEINDENT);
|
||||||
|
printf("%s:\n", prop);
|
||||||
|
/* Print in hex. */
|
||||||
|
for (i = 0; i < len; i += BYTESPERLINE) {
|
||||||
|
max = len - i;
|
||||||
|
max = max > BYTESPERLINE ? BYTESPERLINE : max;
|
||||||
|
ofw_indent(level * LVLINDENT + DUMPINDENT);
|
||||||
|
for (j = 0; j < max; j++)
|
||||||
|
printf("%02x ",
|
||||||
|
((unsigned char *)pbuf)[i + j]);
|
||||||
|
printf("\n");
|
||||||
|
}
|
||||||
|
/*
|
||||||
|
* strvis() and print if it looks like it is
|
||||||
|
* zero-terminated.
|
||||||
|
*/
|
||||||
|
if (((char *)pbuf)[len - 1] == '\0' &&
|
||||||
|
strlen(pbuf) == (unsigned)len - 1) {
|
||||||
|
if (vblen < (len - 1) * 4 + 1) {
|
||||||
|
if (visbuf != NULL)
|
||||||
|
free(visbuf);
|
||||||
|
vblen = (OFIOCMAXVALUE + len) * 4 + 1;
|
||||||
|
if ((visbuf = malloc(vblen)) == NULL)
|
||||||
|
err(EX_OSERR,
|
||||||
|
"malloc() failed");
|
||||||
|
}
|
||||||
|
vlen = strvis(visbuf, pbuf, VIS_TAB | VIS_NL);
|
||||||
|
for (i = 0; i < vlen; i += CHARSPERLINE) {
|
||||||
|
ofw_indent(level * LVLINDENT +
|
||||||
|
DUMPINDENT);
|
||||||
|
strlcpy(printbuf, &visbuf[i],
|
||||||
|
sizeof(printbuf));
|
||||||
|
printf("'%s'\n", printbuf);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
ofw_dump_node(int fd, phandle_t n, int level, int rec, int prop,
|
||||||
|
const char *pmatch, int raw, int str)
|
||||||
|
{
|
||||||
|
static void *nbuf = NULL;
|
||||||
|
static int nblen = 0;
|
||||||
|
int plen;
|
||||||
|
phandle_t c;
|
||||||
|
|
||||||
|
if (!(raw || str)) {
|
||||||
|
ofw_indent(level * LVLINDENT);
|
||||||
|
printf("Node %#lx", (unsigned long)n);
|
||||||
|
plen = ofw_getprop_alloc(fd, n, "name", &nbuf, &nblen, 1);
|
||||||
|
if (plen > 0)
|
||||||
|
printf(": %.*s\n", (int)plen, (char *)nbuf);
|
||||||
|
else
|
||||||
|
putchar('\n');
|
||||||
|
}
|
||||||
|
if (prop)
|
||||||
|
ofw_dump_properties(fd, n, level, pmatch, raw, str);
|
||||||
|
if (rec) {
|
||||||
|
for (c = ofw_child(fd, n); c != 0; c = ofw_peer(fd, c)) {
|
||||||
|
ofw_dump_node(fd, c, level + 1, rec, prop, pmatch,
|
||||||
|
raw, str);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
ofw_dump(int fd, const char *start, int rec, int prop, const char *pmatch,
|
||||||
|
int raw, int str)
|
||||||
|
{
|
||||||
|
phandle_t n;
|
||||||
|
|
||||||
|
n = start == NULL ? ofw_root(fd) : ofw_finddevice(fd, start);
|
||||||
|
ofw_dump_node(fd, n, 0, rec, prop, pmatch, raw, str);
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user