| kinfo_getproc.c (302408) | kinfo_getproc.c (312031) |
|---|---|
| 1/*- 2 * Copyright (c) 2009 Ulf Lilleengen 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2009 Ulf Lilleengen 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: stable/11/lib/libutil/kinfo_getproc.c 221807 2011-05-12 10:11:39Z stas $ | 26 * $FreeBSD: stable/11/lib/libutil/kinfo_getproc.c 312031 2017-01-13 08:39:23Z ngie $ |
| 27 */ 28 29#include <sys/cdefs.h> | 27 */ 28 29#include <sys/cdefs.h> |
| 30__FBSDID("$FreeBSD: stable/11/lib/libutil/kinfo_getproc.c 221807 2011-05-12 10:11:39Z stas $"); | 30__FBSDID("$FreeBSD: stable/11/lib/libutil/kinfo_getproc.c 312031 2017-01-13 08:39:23Z ngie $"); |
| 31 32#include <sys/param.h> | 31 32#include <sys/param.h> |
| 33#include <sys/user.h> | |
| 34#include <sys/sysctl.h> | 33#include <sys/sysctl.h> |
| 34#include <sys/user.h> |
|
| 35#include <stdlib.h> 36#include <string.h> 37 38#include "libutil.h" 39 40struct kinfo_proc * 41kinfo_getproc(pid_t pid) 42{ 43 struct kinfo_proc *kipp; 44 int mib[4]; 45 size_t len; 46 47 len = 0; 48 mib[0] = CTL_KERN; 49 mib[1] = KERN_PROC; 50 mib[2] = KERN_PROC_PID; 51 mib[3] = pid; | 35#include <stdlib.h> 36#include <string.h> 37 38#include "libutil.h" 39 40struct kinfo_proc * 41kinfo_getproc(pid_t pid) 42{ 43 struct kinfo_proc *kipp; 44 int mib[4]; 45 size_t len; 46 47 len = 0; 48 mib[0] = CTL_KERN; 49 mib[1] = KERN_PROC; 50 mib[2] = KERN_PROC_PID; 51 mib[3] = pid; |
| 52 if (sysctl(mib, 4, NULL, &len, NULL, 0) < 0) | 52 if (sysctl(mib, nitems(mib), NULL, &len, NULL, 0) < 0) |
| 53 return (NULL); 54 55 kipp = malloc(len); 56 if (kipp == NULL) 57 return (NULL); 58 | 53 return (NULL); 54 55 kipp = malloc(len); 56 if (kipp == NULL) 57 return (NULL); 58 |
| 59 if (sysctl(mib, 4, kipp, &len, NULL, 0) < 0) | 59 if (sysctl(mib, nitems(mib), kipp, &len, NULL, 0) < 0) |
| 60 goto bad; 61 if (len != sizeof(*kipp)) 62 goto bad; 63 if (kipp->ki_structsize != sizeof(*kipp)) 64 goto bad; 65 if (kipp->ki_pid != pid) 66 goto bad; 67 return (kipp); 68bad: 69 free(kipp); 70 return (NULL); 71} | 60 goto bad; 61 if (len != sizeof(*kipp)) 62 goto bad; 63 if (kipp->ki_structsize != sizeof(*kipp)) 64 goto bad; 65 if (kipp->ki_pid != pid) 66 goto bad; 67 return (kipp); 68bad: 69 free(kipp); 70 return (NULL); 71} |