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File: [local] / src / usr.bin / ctfconv / xmalloc.c (download)

Revision 1.1, Fri Aug 11 14:21:24 2017 UTC (6 years, 9 months ago) by mpi
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, OPENBSD_6_4_BASE, OPENBSD_6_4, OPENBSD_6_3_BASE, OPENBSD_6_3, OPENBSD_6_2_BASE, OPENBSD_6_2, HEAD

Import a tool for generating CTF data section (SUNW_ctf) based on DWARF
information.

ctfconv(1) support multiple CUs in order to work on binaries.  ctfstrip(1)
works like strip(1) but also insert a .SUNW_ctf section inside a binary.

ok deraadt@, kettenis@, jasper@

/* $OpenBSD: xmalloc.c,v 1.1 2017/08/11 14:21:24 mpi Exp $ */

/*
 * Author: Tatu Ylonen <ylo@cs.hut.fi>
 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
 *                    All rights reserved
 * Versions of malloc and friends that check their results, and never return
 * failure (they call fatalx if they encounter an error).
 *
 * As far as I am concerned, the code I have written for this software
 * can be used freely for any purpose.  Any derived versions of this
 * software must be clearly marked as such, and if the derived work is
 * incompatible with the protocol description in the RFC file, it must be
 * called by a name other than "ssh" or "Secure Shell".
 */

#include <err.h>
#include <limits.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "xmalloc.h"

void *
xmalloc(size_t size)
{
	void *ptr;

	if (size == 0)
		errx(1, "xmalloc: zero size");
	ptr = malloc(size);
	if (ptr == NULL)
		err(1, "xmalloc: allocating %zu bytes", size);
	return ptr;
}

void *
xcalloc(size_t nmemb, size_t size)
{
	void *ptr;

	if (size == 0 || nmemb == 0)
		errx(1, "xcalloc: zero size");
	ptr = calloc(nmemb, size);
	if (ptr == NULL)
		err(1, "xcalloc: allocating %zu * %zu bytes",
		    nmemb, size);
	return ptr;
}

void *
xrealloc(void *ptr, size_t size)
{
	return xreallocarray(ptr, 1, size);
}

void *
xreallocarray(void *ptr, size_t nmemb, size_t size)
{
	void *new_ptr;

	if (nmemb == 0 || size == 0)
		errx(1, "xreallocarray: zero size");
	new_ptr = reallocarray(ptr, nmemb, size);
	if (new_ptr == NULL)
		err(1, "xreallocarray: allocating %zu * %zu bytes",
		    nmemb, size);
	return new_ptr;
}

char *
xstrdup(const char *str)
{
	char *cp;

	if ((cp = strdup(str)) == NULL)
		err(1, "xstrdup");
	return cp;
}