48 lines
682 B
C
48 lines
682 B
C
/*
|
|
* sscanf - read formatted output from a string
|
|
*/
|
|
/* $Id$ */
|
|
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include "doscan.h"
|
|
|
|
#if ACKCONF_WANT_STDIO
|
|
|
|
static const char* input_buffer;
|
|
|
|
static int sscanf_getc(void)
|
|
{
|
|
char c = *input_buffer;
|
|
if (c == 0)
|
|
return EOF;
|
|
input_buffer++;
|
|
return c;
|
|
}
|
|
|
|
static void sscanf_ungetc(int c)
|
|
{
|
|
/* sscanf always ungets the last character read. */
|
|
input_buffer--;
|
|
}
|
|
|
|
int sscanf(const char* s, const char* format, ...)
|
|
{
|
|
va_list ap;
|
|
int retval;
|
|
|
|
va_start(ap, format);
|
|
|
|
input_buffer = s;
|
|
_doscan_get = sscanf_getc;
|
|
_doscan_unget = sscanf_ungetc;
|
|
retval = _doscan(format, ap);
|
|
|
|
va_end(ap);
|
|
|
|
return retval;
|
|
}
|
|
|
|
#endif
|