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70 lines
1.2 KiB
C
70 lines
1.2 KiB
C
#include "stdio.h"
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/*LINTLIBRARY*/
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#ifndef lint
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#ifndef NOID
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static char elsieid[] = "%W%";
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#endif /* !defined lint */
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#endif /* !defined NOID */
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#include "ctype.h"
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#include "string.h"
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#ifdef __STDC__
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extern char * imalloc(int n);
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extern void ifree(char * p);
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#else /* !defined __STDC__ */
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extern char * imalloc();
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extern void ifree();
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#endif /* !defined __STDC__ */
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char *
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scheck(string, format)
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char * string;
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char * format;
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{
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register char * fbuf;
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register 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 = imalloc(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(string, fbuf, &dummy) != 1)
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result = format;
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ifree(fbuf);
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return result;
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}
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