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60 lines
1.4 KiB
C
60 lines
1.4 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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* 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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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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#include "includes.h"
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RCSID("$OpenBSD: xmalloc.c,v 1.11 2001/02/04 15:32:27 stevesk Exp $");
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#include "xmalloc.h"
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#include "log.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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size_t 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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