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* The authors of this software are Rob Pike and Ken Thompson,
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* with contributions from Mike Burrows and Sean Dorward.
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* Copyright (c) 2002-2006 by Lucent Technologies.
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* Portions Copyright (c) 2004 Google Inc.
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* Permission to use, copy, modify, and distribute this software for any
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* purpose without fee is hereby granted, provided that this entire notice
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* is included in all copies of any software which is or includes a copy
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* or modification of this software and in all copies of the supporting
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* documentation for such software.
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES
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* NOR GOOGLE INC MAKE ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING
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* THE MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
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sprint(char *buf, char *fmt, ...)
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len = 1<<30; /* big number, but sprint is deprecated anyway */
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* on PowerPC, the stack is near the top of memory, so
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* we must be sure not to overflow a 32-bit pointer.
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* careful! gcc-4.2 assumes buf+len < buf can never be true and
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* optimizes the test away. casting to uintptr works around this bug.
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if((uintptr)buf+len < (uintptr)buf)
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len = -(uintptr)buf-1;
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n = vsnprint(buf, len, fmt, args);