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Revision 1.6, Fri Jan 25 00:19:26 2019 UTC (5 years, 3 months ago) by millert
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, OPENBSD_6_5_BASE, OPENBSD_6_5, HEAD
Changes since 1.5: +2 -2 lines 

I am retiring my old email address;  replace it with my OpenBSD one.

/*	$OpenBSD: util.h,v 1.6 2019/01/25 00:19:26 millert Exp $	*/

/*
 * Placed in the public domain by Todd C. Miller <millert@openbsd.org>
 * 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;
};