48 lines
754 B
C
48 lines
754 B
C
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#include <stdio.h>
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#ifdef SDBM
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#include "sdbm.h"
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#else
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#include "ndbm.h"
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#endif
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void
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oops(register char *s1, register char *s2)
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{
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extern int errno, sys_nerr;
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extern char *sys_errlist[];
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extern char *progname;
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if (progname)
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fprintf(stderr, "%s: ", progname);
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fprintf(stderr, s1, s2);
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if (errno > 0 && errno < sys_nerr)
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fprintf(stderr, " (%s)", sys_errlist[errno]);
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fprintf(stderr, "\n");
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exit(1);
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}
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int
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okpage(char *pag)
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{
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register unsigned n;
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register off;
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register short *ino = (short *) pag;
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if ((n = ino[0]) > PBLKSIZ / sizeof(short))
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return 0;
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if (!n)
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return 1;
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off = PBLKSIZ;
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for (ino++; n; ino += 2) {
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if (ino[0] > off || ino[1] > off ||
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ino[1] > ino[0])
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return 0;
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off = ino[1];
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n -= 2;
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}
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return 1;
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}
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