54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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* Created: Mon Mar 20 21:23:10 1995 ylo
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* Versions of malloc and friends that check their results, and never return
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* failure (they call fatal if they encounter an error).
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*/
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#include "includes.h"
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RCSID("$Id: xmalloc.c,v 1.5 1999/11/24 00:26:04 deraadt Exp $");
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#include "ssh.h"
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void *
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xmalloc(size_t size)
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{
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void *ptr = malloc(size);
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if (ptr == NULL)
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fatal("xmalloc: out of memory (allocating %d bytes)", (int) size);
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return ptr;
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}
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void *
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xrealloc(void *ptr, size_t new_size)
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{
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void *new_ptr;
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if (ptr == NULL)
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fatal("xrealloc: NULL pointer given as argument");
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new_ptr = realloc(ptr, new_size);
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if (new_ptr == NULL)
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fatal("xrealloc: out of memory (new_size %d bytes)", (int) new_size);
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return new_ptr;
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}
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void
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xfree(void *ptr)
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{
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if (ptr == NULL)
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fatal("xfree: NULL pointer given as argument");
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free(ptr);
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}
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char *
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xstrdup(const char *str)
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{
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int len = strlen(str) + 1;
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char *cp = xmalloc(len);
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strlcpy(cp, str, len);
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return cp;
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}
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