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37 lines
710 B
C
37 lines
710 B
C
/*
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* Copyright (C) 2001 Sistina Software (UK) Limited.
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*
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* This file is released under the LGPL.
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*/
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#ifndef _LVM_STRING_H
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#define _LVM_STRING_H
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#include <stdio.h>
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#include <stdarg.h>
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/*
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* On error, up to glibc 2.0.6, snprintf returned -1 if buffer was too small;
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* From glibc 2.1 it returns number of chars (excl. trailing null) that would
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* have been written had there been room.
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*
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* lvm_snprintf reverts to the old behaviour.
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*/
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static inline int lvm_snprintf(char *buf, size_t bufsize,
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const char *format, ...)
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{
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int n;
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va_list ap;
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va_start(ap, format);
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n = vsnprintf(buf, bufsize, format, ap);
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va_end(ap);
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if (n < 0 || (n > bufsize - 1))
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return -1;
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return n;
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}
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#endif
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