HardenedBSD/bin/ps/ps.h
Don Lewis 5912ca59b0 Fix CID 1011370 (Resource leak) in ps.
There is no need to to call strdup() on the value returned by fmt().
The latter calls fmt_argv() which always returns a dynamically
allocated string, and calling strdup() on that leaks the memory
allocated by fmt_argv().  Wave some const magic on ki_args and
ki_env to make the direct assignment happy.  This requires a tweak
to the asprintf() case to avoid a const vs. non-const mismatch.

Reported by:	Coverity
CID:		1011370
MFC after:	1 week
2016-05-25 05:12:56 +00:00

89 lines
3.3 KiB
C

/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ps.h 8.1 (Berkeley) 5/31/93
* $FreeBSD$
*/
#include <sys/queue.h>
#define UNLIMITED 0 /* unlimited terminal width */
enum type { CHAR, UCHAR, SHORT, USHORT, INT, UINT, LONG, ULONG, KPTR, PGTOK };
typedef struct kinfo_str {
STAILQ_ENTRY(kinfo_str) ks_next;
char *ks_str; /* formatted string */
} KINFO_STR;
typedef struct kinfo {
struct kinfo_proc *ki_p; /* kinfo_proc structure */
const char *ki_args; /* exec args */
const char *ki_env; /* environment */
int ki_valid; /* 1 => uarea stuff valid */
double ki_pcpu; /* calculated in main() */
segsz_t ki_memsize; /* calculated in main() */
union {
int level; /* used in decendant_sort() */
char *prefix; /* calculated in decendant_sort() */
} ki_d;
STAILQ_HEAD(, kinfo_str) ki_ks;
} KINFO;
/* Variables. */
typedef struct varent {
STAILQ_ENTRY(varent) next_ve;
const char *header;
struct var *var;
} VARENT;
typedef struct var {
const char *name; /* name(s) of variable */
const char *header; /* default header */
const char *alias; /* aliases */
const char *field; /* xo field name */
#define COMM 0x01 /* needs exec arguments and environment (XXX) */
#define LJUST 0x02 /* left adjust on output (trailing blanks) */
#define USER 0x04 /* needs user structure */
#define INF127 0x10 /* values >127 displayed as 127 */
u_int flag;
/* output routine */
char *(*oproc)(struct kinfo *, struct varent *);
/*
* The following (optional) elements are hooks for passing information
* to the generic output routine pvar (which prints simple elements
* from the well known kinfo_proc structure).
*/
size_t off; /* offset in structure */
enum type type; /* type of element */
const char *fmt; /* printf format */
short width; /* calculated width */
} VAR;
#include "extern.h"