100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
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/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Arthur David Olson of the National Cancer Institute.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)scheck.c 5.3 (Berkeley) 4/20/91";
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#endif /* not lint */
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#ifdef notdef
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static char elsieid[] = "@(#)scheck.c 8.9";
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#endif
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/*LINTLIBRARY*/
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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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 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 = malloc(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 (isascii(*fp) && isdigit(*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((char *)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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