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52 lines
948 B
C
52 lines
948 B
C
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/*
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* vsscanf.c
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*
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* (C) Copyright 2002 Ullrich von Bassewitz (uz@cc65.org)
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*
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*/
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#include <stdio.h>
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#include "_scanf.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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static char get (struct indesc* d)
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/* Read a character from the input string and return it */
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{
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char C;
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if (C = d->buf[d->ridx]) {
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/* Increment index only if end not reached */
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++d->ridx;
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}
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return C;
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}
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int vsscanf (const char* str, const char* format, va_list ap)
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/* Standard C function */
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{
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struct indesc id;
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/* Initialize the indesc struct. We leave all fields uninitialized that we
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* don't need
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*/
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id.fin = (infunc) get;
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id.buf = (char*) str;
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id.ridx = 0;
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/* Call the internal function and return the result */
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return _scanf (&id, format, ap);
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}
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