/* * 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 fatal 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 "includes.h" RCSID("$OpenBSD: xmalloc.c,v 1.16 2001/07/23 18:21:46 stevesk Exp $"); #pragma ident "%Z%%M% %I% %E% SMI" #include "xmalloc.h" #include "log.h" void * xmalloc(size_t size) { void *ptr; if (size == 0) fatal("xmalloc: zero size"); ptr = malloc(size); if (ptr == NULL) fatal("xmalloc: out of memory (allocating %lu bytes)", (u_long) size); return ptr; } void * xrealloc(void *ptr, size_t new_size) { void *new_ptr; if (new_size == 0) fatal("xrealloc: zero size"); if (ptr == NULL) new_ptr = malloc(new_size); else new_ptr = realloc(ptr, new_size); if (new_ptr == NULL) fatal("xrealloc: out of memory (new_size %lu bytes)", (u_long) new_size); return new_ptr; } void xfree(void *ptr) { if (ptr == NULL) fatal("xfree: NULL pointer given as argument"); free(ptr); } char * xstrdup(const char *str) { size_t len; char *cp; len = strlen(str) + 1; cp = xmalloc(len); strlcpy(cp, str, len); return cp; }