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