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cc65/libsrc/common/vsscanf.c

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