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Revision 1.5, Thu Aug 13 19:13:28 2015 UTC (8 years, 9 months ago) by miod
Branch: MAIN
CVS Tags: OPENBSD_6_4_BASE, OPENBSD_6_4, OPENBSD_6_3_BASE, OPENBSD_6_3, OPENBSD_6_2_BASE, OPENBSD_6_2, OPENBSD_6_1_BASE, OPENBSD_6_1, OPENBSD_6_0_BASE, OPENBSD_6_0, OPENBSD_5_9_BASE, OPENBSD_5_9
Changes since 1.4: +6 -1 lines 

Grow -P (POSIX output) and -t (POSIX output radix) support. Several 3rd-party
software depend upon this.

Requested by feinerer@, ok millert@; manpage bits ok jmc@

/*	$OpenBSD: util.h,v 1.5 2015/08/13 19:13:28 miod Exp $	*/

/*
 * Placed in the public domain by Todd C. Miller <Todd.Miller@courtesan.com>
 * on October 9, 2004.
 */

#define	MMAP(ptr, len, prot, flags, fd, off)	do {		\
	if ((ptr = mmap(NULL, len, prot, flags, fd, off)) == MAP_FAILED) { \
		usemmap = 0;						\
		if (errno != EINVAL)					\
			warn("mmap");					\
		else if ((ptr = malloc(len)) == NULL) {			\
			ptr = MAP_FAILED;				\
			warn("malloc");					\
		} else if (pread(fd, ptr, len, off) != len) {		\
			free(ptr);					\
			ptr = MAP_FAILED;				\
			warn("pread");					\
		}							\
	}								\
} while (0)

#define MUNMAP(addr, len)	do {					\
	if (usemmap)							\
		munmap(addr, len);					\
	else								\
		free(addr);						\
	addr = NULL;							\
} while (0)

extern int usemmap;
extern int dynamic_only;

struct xnlist {
	struct nlist nl;
	unsigned long n_size;
};