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49 lines
736 B
C
49 lines
736 B
C
/*
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* vsprintf.c
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*
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* Ullrich von Bassewitz, 11.08.1998
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include "_printf.h"
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static void out (struct outdesc* d, char* buf, unsigned count)
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/* Routine used for writing */
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{
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/* String - be shure to check the size */
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while (count-- && d->ccount < d->uns) {
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((char*) d->ptr) [d->ccount] = *buf;
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++buf;
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++d->ccount;
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}
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}
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int vsprintf (char* buf, char* format, va_list ap)
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{
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struct outdesc d;
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/* Setup descriptor */
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d.fout = out;
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d.ptr = buf;
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d.uns = 0x7FFF;
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/* Do formatting and output */
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_printf (&d, format, ap);
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/* Terminate the result string */
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buf [d.ccount++] = '\0';
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/* Return bytes written */
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return d.ccount;
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}
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