41 lines
908 B
C
41 lines
908 B
C
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/*
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* Copyright (c) 1993 by the University of Southern California
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*
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* For copying and distribution information, please see the file
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* <usc-license.h>.
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*/
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#include <usc-license.h>
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#include <pfs.h>
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char *
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p__qbstprintf_stcopyr(char *buf, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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buf = p__vqbstprintf_stcopyr(buf, fmt, ap);
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va_end(ap);
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return buf;
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}
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char *
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p__vqbstprintf_stcopyr(char *buf, const char *fmt, va_list ap)
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{
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int tmp;
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assert(p__bst_consistent(buf));
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again:
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tmp = qsprintf(buf, p__bstsize(buf), fmt, ap);
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if (tmp > p__bstsize(buf)) {
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stfree(buf);
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buf = stalloc(tmp);
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goto again;
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}
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/* Tmp is now the size of the total output area, including a trailing null.
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Need to set the size to tmp -1, since trailing null is not included. */
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p_bst_set_buffer_length_nullterm(buf, tmp - 1);
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return buf;
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}
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