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Current Path: /usr/src/lib/libutil

📁 ..
📄 Makefile(3.09 KB)
📄 Makefile.depend(274 B)
📄 _secure_path.3(2.52 KB)
📄 _secure_path.c(2.33 KB)
📄 auth.c(1.66 KB)
📄 expand_number.3(2.61 KB)
📄 expand_number.c(2.45 KB)
📄 flopen.3(3.35 KB)
📄 flopen.c(3.69 KB)
📄 fparseln.3(4.53 KB)
📄 fparseln.c(5.27 KB)
📄 getlocalbase.3(3.82 KB)
📄 getlocalbase.c(2.62 KB)
📄 gr_util.c(14.2 KB)
📄 hexdump.3(3.01 KB)
📄 hexdump.c(2.98 KB)
📄 humanize_number.3(5.65 KB)
📄 humanize_number.c(5.35 KB)
📄 kinfo_getallproc.3(2.47 KB)
📄 kinfo_getallproc.c(2.67 KB)
📄 kinfo_getfile.3(2.59 KB)
📄 kinfo_getfile.c(1.46 KB)
📄 kinfo_getproc.3(2.44 KB)
📄 kinfo_getproc.c(2.13 KB)
📄 kinfo_getvmmap.3(2.85 KB)
📄 kinfo_getvmmap.c(1.47 KB)
📄 kinfo_getvmobject.3(2.46 KB)
📄 kinfo_getvmobject.c(2.58 KB)
📄 kld.3(2.69 KB)
📄 kld.c(2.5 KB)
📄 libutil.h(8.04 KB)
📄 login.conf.5(16.41 KB)
📄 login_auth.3(2.3 KB)
📄 login_auth.c(3.01 KB)
📄 login_cap.3(16.04 KB)
📄 login_cap.c(19.22 KB)
📄 login_cap.h(6.25 KB)
📄 login_class.3(6.83 KB)
📄 login_class.c(14 KB)
📄 login_crypt.c(1.92 KB)
📄 login_ok.3(4.27 KB)
📄 login_ok.c(5.76 KB)
📄 login_times.3(5.28 KB)
📄 login_times.c(3.72 KB)
📄 login_tty.3(2.25 KB)
📄 login_tty.c(2.03 KB)
📄 pidfile.3(6.75 KB)
📄 pidfile.c(7.22 KB)
📄 property.3(2.91 KB)
📄 property.c(5.85 KB)
📄 pty.3(4.17 KB)
📄 pty.c(2.99 KB)
📄 pw_util.3(6.88 KB)
📄 pw_util.c(15.18 KB)
📄 quotafile.3(7.32 KB)
📄 quotafile.c(14.98 KB)
📄 realhostname.3(2.97 KB)
📄 realhostname.c(5.59 KB)
📄 realhostname_sa.3(4.56 KB)
📄 stub.c(1.73 KB)
📁 tests
📄 trimdomain.3(2.72 KB)
📄 trimdomain.c(3.39 KB)
📄 uucplock.3(4.94 KB)
📄 uucplock.c(5.5 KB)

Editing: kinfo_getvmmap.c

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <stdlib.h>
#include <string.h>

#include "libutil.h"

struct kinfo_vmentry *
kinfo_getvmmap(pid_t pid, int *cntp)
{
	int mib[4];
	int error;
	int cnt;
	size_t len;
	char *buf, *bp, *eb;
	struct kinfo_vmentry *kiv, *kp, *kv;

*cntp = 0;
	len = 0;
	mib[0] = CTL_KERN;
	mib[1] = KERN_PROC;
	mib[2] = KERN_PROC_VMMAP;
	mib[3] = pid;

error = sysctl(mib, nitems(mib), NULL, &len, NULL, 0);
	if (error)
		return (NULL);
	len = len * 4 / 3;
	buf = malloc(len);
	if (buf == NULL)
		return (NULL);
	error = sysctl(mib, nitems(mib), buf, &len, NULL, 0);
	if (error) {
		free(buf);
		return (NULL);
	}
	/* Pass 1: count items */
	cnt = 0;
	bp = buf;
	eb = buf + len;
	while (bp < eb) {
		kv = (struct kinfo_vmentry *)(uintptr_t)bp;
		if (kv->kve_structsize == 0)
			break;
		bp += kv->kve_structsize;
		cnt++;
	}

kiv = calloc(cnt, sizeof(*kiv));
	if (kiv == NULL) {
		free(buf);
		return (NULL);
	}
	bp = buf;
	eb = buf + len;
	kp = kiv;
	/* Pass 2: unpack */
	while (bp < eb) {
		kv = (struct kinfo_vmentry *)(uintptr_t)bp;
		if (kv->kve_structsize == 0)
			break;
		/* Copy/expand into pre-zeroed buffer */
		memcpy(kp, kv, kv->kve_structsize);
		/* Advance to next packed record */
		bp += kv->kve_structsize;
		/* Set field size to fixed length, advance */
		kp->kve_structsize = sizeof(*kp);
		kp++;
	}
	free(buf);
	*cntp = cnt;
	return (kiv);	/* Caller must free() return value */
}

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Editing: kinfo_getvmmap.c

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