74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
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/* $NetBSD: scheck.c,v 1.8 2010/01/02 10:42:49 tsutsui Exp $ */
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/*
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** This file is in the public domain, so clarified as of
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** 2006-07-17 by Arthur David Olson.
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char elsieid[] = "@(#)scheck.c 8.19";
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#else
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__RCSID("$NetBSD: scheck.c,v 1.8 2010/01/02 10:42:49 tsutsui Exp $");
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#endif
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#endif /* !defined lint */
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/*LINTLIBRARY*/
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#include "private.h"
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const char *
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scheck(string, format)
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const char * const string;
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const char * const format;
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{
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register char * fbuf;
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register const char * fp;
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register char * tp;
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register int c;
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register const char * result;
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char dummy;
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result = "";
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if (string == NULL || format == NULL)
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return result;
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fbuf = imalloc((int) (2 * strlen(format) + 4));
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if (fbuf == NULL)
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return result;
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fp = format;
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tp = fbuf;
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while ((*tp++ = c = *fp++) != '\0') {
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if (c != '%')
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continue;
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if (*fp == '%') {
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*tp++ = *fp++;
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continue;
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}
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*tp++ = '*';
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if (*fp == '*')
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++fp;
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while (is_digit(*fp))
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*tp++ = *fp++;
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if (*fp == 'l' || *fp == 'h')
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*tp++ = *fp++;
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else if (*fp == '[')
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do *tp++ = *fp++;
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while (*fp != '\0' && *fp != ']');
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if ((*tp++ = *fp++) == '\0')
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break;
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}
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*(tp - 1) = '%';
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*tp++ = 'c';
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*tp = '\0';
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if (sscanf(string, fbuf, &dummy) != 1)
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result = (char *) format;
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ifree(fbuf);
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return result;
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}
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