28 lines
532 B
C
28 lines
532 B
C
/* $Header$ */
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#include <stdio.h>
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#include <stdarg.h>
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#include <limits.h>
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#include "loc_incl.h"
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int
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vsnprintf(char *s, size_t n, const char *format, va_list arg)
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{
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int retval;
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FILE tmp_stream;
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tmp_stream._fd = -1;
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tmp_stream._flags = _IOWRITE + _IONBF + _IOWRITING;
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tmp_stream._buf = (unsigned char *) s;
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tmp_stream._ptr = (unsigned char *) s;
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tmp_stream._count = n-1;
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retval = _doprnt(format, arg, &tmp_stream);
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if(n > 0) {
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tmp_stream._count = 1;
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(void) putc('\0',&tmp_stream);
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}
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return retval;
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}
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