Damien Miller
07d86bec5e
[auth-bsdauth.c auth-skey.c auth.c auth2-chall.c channels.c]
[clientloop.c deattack.c gss-genr.c kex.c key.c misc.c moduli.c]
[monitor.c monitor_wrap.c packet.c scard.c sftp-server.c ssh-agent.c]
[ssh-keyscan.c ssh.c sshconnect.c sshconnect2.c sshd.c uuencode.c]
[xmalloc.c xmalloc.h]
introduce xcalloc() and xasprintf() failure-checked allocations
functions and use them throughout openssh
xcalloc is particularly important because malloc(nmemb * size) is a
dangerous idiom (subject to integer overflow) and it is time for it
to die
feedback and ok deraadt@
32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/* $OpenBSD: xmalloc.h,v 1.10 2006/03/25 00:05:41 djm Exp $ */
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/*
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* Author: Tatu Ylonen <[email protected]>
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* Copyright (c) 1995 Tatu Ylonen <[email protected]>, Espoo, Finland
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* All rights reserved
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* Created: Mon Mar 20 22:09:17 1995 ylo
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*
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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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#ifndef XMALLOC_H
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#define XMALLOC_H
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void *xmalloc(size_t);
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void *xcalloc(size_t, size_t);
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void *xrealloc(void *, size_t);
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void xfree(void *);
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char *xstrdup(const char *);
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int xasprintf(char **, const char *, ...)
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__attribute__((__format__ (printf, 2, 3)))
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__attribute__((__nonnull__ (2)));
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#endif /* XMALLOC_H */
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